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Sexual Precocity in a 16-Month-Old, o. Q7 y* n. ^7 t  o2 S
Boy Induced by Indirect Topical! {  ^6 R* W1 Q5 q4 }
Exposure to Testosterone
  @* N& u' g- U) T$ s3 K: o6 K& a) LSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
5 m$ n$ F% t4 wand Kenneth R. Rettig, MD12 T/ L' k5 h: p6 o) J+ i) W3 ^
Clinical Pediatrics
* v7 \1 S) ^8 |4 D6 m5 _8 q: g3 oVolume 46 Number 66 r8 ]$ H7 t8 \4 _
July 2007 540-5430 t; u5 Z/ b; _  l
© 2007 Sage Publications. ]% [6 n: Z$ y7 D2 I; I! h
10.1177/0009922806296651
+ p6 l, t" u& e! q, P5 |, s4 |  I$ U5 vhttp://clp.sagepub.com/ B$ k: I8 e: }  D" P
hosted at. U9 l& r1 V/ C" S4 H# B1 O
http://online.sagepub.com  o3 g2 O8 k$ @
Precocious puberty in boys, central or peripheral,
' i" t0 @; {1 J+ pis a significant concern for physicians. Central
3 K" b6 c  @, H3 I) L& C; Lprecocious puberty (CPP), which is mediated8 w, i: T: g; O! p
through the hypothalamic pituitary gonadal axis, has
* V) O  B9 U+ b! m2 Ia higher incidence of organic central nervous system1 [  {: V) v* b) l( b' t
lesions in boys.1,2 Virilization in boys, as manifested9 T. _, v: ?% a% W0 R) k
by enlargement of the penis, development of pubic
9 w2 \9 ?1 K* Q& o, ~hair, and facial acne without enlargement of testi-
9 r* P1 Q1 h# }& ~6 ycles, suggests peripheral or pseudopuberty.1-3 We
2 p% F* c) u3 F! U8 ]: N3 Nreport a 16-month-old boy who presented with the  B, J" K" n# P2 N! U$ X5 A
enlargement of the phallus and pubic hair develop-
: ?- z- S9 a2 H5 R- L- Y( {ment without testicular enlargement, which was due
- O$ q/ T3 i) s2 S; o1 X5 O8 {# Wto the unintentional exposure to androgen gel used by
; ?) a5 x' I4 k- H; ~2 w; C: Jthe father. The family initially concealed this infor-4 Z8 b5 ?4 e) T, N
mation, resulting in an extensive work-up for this* w7 w# l# B5 ]+ s2 n
child. Given the widespread and easy availability of
. E) {6 Y" W" N0 B- v# etestosterone gel and cream, we believe this is proba-
+ I) S5 `( S4 ?: w4 {6 \- fbly more common than the rare case report in the
) q" S3 C" E) O- G5 \6 z, eliterature.4
0 f2 W0 p* G* ~( Y. [' tPatient Report6 q" h/ u/ D/ V1 H& I$ F
A 16-month-old white child was referred to the( f- l# E/ [3 I% L% s/ }0 s
endocrine clinic by his pediatrician with the concern
, l! I/ e: u' l; ~% X4 M# {* H- kof early sexual development. His mother noticed
7 q  z. M  V+ _1 P# s, xlight colored pubic hair development when he was
/ q1 `+ N2 b* U) q! U) }+ XFrom the 1Division of Pediatric Endocrinology, 2University of
+ |# K0 M. F& u, y4 j/ N; w! FSouth Alabama Medical Center, Mobile, Alabama.$ k3 A; m) n1 d& q+ @7 ?
Address correspondence to: Samar K. Bhowmick, MD, FACE,
2 d! s7 n. n; y0 g1 e1 W" zProfessor of Pediatrics, University of South Alabama, College of
8 c1 M  ^! U$ e' w& x% C. \Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;$ G( u+ q) ?+ V- b( R+ z
e-mail: [email protected].$ Q! e# d, |( {0 b( V
about 6 to 7 months old, which progressively became2 \" g- _2 Y% O9 a
darker. She was also concerned about the enlarge-
! W+ P0 J$ V0 U; T4 I/ A' O# D6 ^ment of his penis and frequent erections. The child3 c4 x' N8 C# U, O8 o' N, _- S
was the product of a full-term normal delivery, with/ u4 N* t3 y# C9 S2 u
a birth weight of 7 lb 14 oz, and birth length of
9 u/ L0 O1 S; K% k- t20 inches. He was breast-fed throughout the first year9 V* M6 I9 y6 j- J3 R: K6 t
of life and was still receiving breast milk along with
; i* X9 K8 \( E: nsolid food. He had no hospitalizations or surgery,$ s( Y' W& D0 p) m$ ?2 H: v
and his psychosocial and psychomotor development
) L  x0 ]2 p' bwas age appropriate.
) A" H2 N/ ]# q! ?) A3 |The family history was remarkable for the father,
9 f' i" c" y, |: R  Ywho was diagnosed with hypothyroidism at age 16,/ T5 x! h) ^$ e* A* Y% c
which was treated with thyroxine. The father’s* O7 M: e# ~7 ?! X: Y) c
height was 6 feet, and he went through a somewhat
5 v' i# O+ i9 \( S  Aearly puberty and had stopped growing by age 14.
7 ]$ F5 ?+ [* u, n8 V4 gThe father denied taking any other medication. The3 U% y5 q4 }7 r! S8 x
child’s mother was in good health. Her menarche
0 t. }" c8 p) B7 ~was at 11 years of age, and her height was at 5 feet
2 I+ R' [5 _. \) `8 Z; C! g5 inches. There was no other family history of pre-. k. M' B% ]7 @- I  U" k4 y
cocious sexual development in the first-degree rela-
5 ]- M2 U, s" S( stives. There were no siblings.
# D8 C9 W. `2 K6 D; z2 |3 W. R' {Physical Examination) L" x; a  m  ^1 [9 S
The physical examination revealed a very active,
& ?( m: w! C. j! n+ o1 uplayful, and healthy boy. The vital signs documented
- M% V0 H; I' `0 d; o4 n/ oa blood pressure of 85/50 mm Hg, his length was
: H" K& q# s. M& n7 G90 cm (>97th percentile), and his weight was 14.4 kg/ u4 j! v0 \* L1 }- g( q1 M+ T; ]% ~
(also >97th percentile). The observed yearly growth
& G% c, v. Z8 v- Ovelocity was 30 cm (12 inches). The examination of' |" ?& j, y: w8 {) ^1 D) s
the neck revealed no thyroid enlargement.
( L: y! J2 }- @* b* o! nThe genitourinary examination was remarkable for
6 H! o1 W) f, b+ L' O$ M) t4 ?  Denlargement of the penis, with a stretched length of" D/ d+ ]* c1 h
8 cm and a width of 2 cm. The glans penis was very well
" j' s& A. B) R6 S  Edeveloped. The pubic hair was Tanner II, mostly around
% x8 ~8 p3 C$ s; J5404 i5 m% h' O8 ]1 t- w2 k* b
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from/ @/ I2 [2 j% K
the base of the phallus and was dark and curled. The
1 n( Z4 J7 m2 A5 H, j4 \testicular volume was prepubertal at 2 mL each.( H, e0 {: ?' F5 e2 S; d5 x, Y' m5 w  u
The skin was moist and smooth and somewhat
( d+ o/ |  y8 I9 V8 g$ M8 o- Foily. No axillary hair was noted. There were no, D' j) E2 B: B3 ~; T
abnormal skin pigmentations or café-au-lait spots.
4 E( f/ M- v6 NNeurologic evaluation showed deep tendon reflex 2+
" `3 ^5 L, w2 J5 ~$ i% d% y& i& Rbilateral and symmetrical. There was no suggestion
4 n! `# U  C" E5 |; E) Rof papilledema.
0 }7 D& @4 ^7 k8 F1 jLaboratory Evaluation
" I% R5 u: B% P/ T  D2 y' h% CThe bone age was consistent with 28 months by% j  B3 q# x2 g: `0 l! S5 v
using the standard of Greulich and Pyle at a chrono-
* q5 H4 L+ W3 b5 alogic age of 16 months (advanced).5 Chromosomal2 s* z( G* F, c9 P7 \; {, b
karyotype was 46XY. The thyroid function test8 g" P& V! p5 j
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
, D) y6 Z& P2 Flating hormone level was 1.3 µIU/mL (both normal).
( a, N8 d! z. ~3 N: d7 b3 wThe concentrations of serum electrolytes, blood% L0 M/ c1 |8 k; k2 y0 b
urea nitrogen, creatinine, and calcium all were
5 Y# T1 e: B2 n! a6 Kwithin normal range for his age. The concentration) f& F9 V9 W* n4 E' n; j
of serum 17-hydroxyprogesterone was 16 ng/dL  L! B1 ~' {' H5 `' |# e
(normal, 3 to 90 ng/dL), androstenedione was 201 \. B9 M7 N2 v' T1 L1 @: o/ Q+ k
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
& E4 C: M; t' u1 a( d' Sterone was 38 ng/dL (normal, 50 to 760 ng/dL),- _4 u8 r# n9 V! x  @
desoxycorticosterone was 4.3 ng/dL (normal, 7 to+ {$ }) ]3 R0 {7 i/ j, d; Z, P
49ng/dL), 11-desoxycortisol (specific compound S)4 ^! L. h3 E8 A3 i) ~6 g8 b8 u
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
; f  A- t9 o* b+ v: Dtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
* g$ x" z/ J8 Stestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
4 i- j! ]7 P0 z. xand β-human chorionic gonadotropin was less than
/ q. H# Q& E  w9 S& A5 mIU/mL (normal <5 mIU/mL). Serum follicular2 j& a* c$ o6 e) ]) Z
stimulating hormone and leuteinizing hormone0 }, V, [6 S2 m1 [
concentrations were less than 0.05 mIU/mL
6 ^4 T" `3 c7 @7 i(prepubertal).8 ?' N8 ^* F+ X& v
The parents were notified about the laboratory; H# R/ m/ q) K) p! |5 n
results and were informed that all of the tests were
2 t5 ^9 g5 o  l  g0 enormal except the testosterone level was high. The
9 P0 I( N0 o. o! d5 }' r  }- h. t& Dfollow-up visit was arranged within a few weeks to& `7 I+ y8 \( B
obtain testicular and abdominal sonograms; how-
+ X9 B( E5 Z8 U1 Oever, the family did not return for 4 months.
3 ^7 C; N; w2 r9 U: CPhysical examination at this time revealed that the
6 P7 ~( U! _0 K9 n; ?child had grown 2.5 cm in 4 months and had gained
6 I1 v9 H. c8 d) [2 kg of weight. Physical examination remained
* A" h7 ]& ?; Lunchanged. Surprisingly, the pubic hair almost com-% ]- u7 Y& o+ O1 B  l$ V+ D
pletely disappeared except for a few vellous hairs at
7 R, d8 r" y1 a1 M1 |: D# pthe base of the phallus. Testicular volume was still 2" |' e( I3 l& u$ O+ `3 g
mL, and the size of the penis remained unchanged.7 [/ L$ c& A) G( }
The mother also said that the boy was no longer hav-% s& }4 o2 g3 W8 I$ N- K
ing frequent erections.
6 m; f2 ]8 S; w* B( A) @Both parents were again questioned about use of
" D; |8 ]" i- x0 H# U% ^) Q/ C: many ointment/creams that they may have applied to
- z) J# w5 G/ D9 a) Hthe child’s skin. This time the father admitted the
2 M: p  D1 `2 e( O/ c8 mTopical Testosterone Exposure / Bhowmick et al 541' M. e% J/ G( a" ~3 X2 R. w
use of testosterone gel twice daily that he was apply-
% y  V" A) F4 l' J, `& A3 ming over his own shoulders, chest, and back area for
/ K/ ?' q- E2 Wa year. The father also revealed he was embarrassed
9 a5 [0 B. @1 M/ A, Bto disclose that he was using a testosterone gel pre-6 k2 a8 Z: [) g/ Y. r- j
scribed by his family physician for decreased libido% [; |" @  n: l, N' Q2 L- }
secondary to depression.% X' {0 c% b5 ~* }4 a* R5 m! @: m
The child slept in the same bed with parents.
% V0 B* ?9 l: u6 `The father would hug the baby and hold him on his
+ }: o* ^5 @& ], K3 pchest for a considerable period of time, causing sig-: |+ \' k0 Y+ R# |7 T' t2 H  v
nificant bare skin contact between baby and father.
5 M* s1 y; j3 FThe father also admitted that after the phone call," ?! l7 T! Q% L
when he learned the testosterone level in the baby
. Q! U" e* B9 n- gwas high, he then read the product information
' L( N, F, R5 h5 g# Ppacket and concluded that it was most likely the rea-
! q5 k: `% ?" l! O+ Fson for the child’s virilization. At that time, they$ T% x7 M$ X6 s) ]$ }
decided to put the baby in a separate bed, and the& T: d8 d6 x( e) Y' j
father was not hugging him with bare skin and had' k- o4 d5 t7 p: s
been using protective clothing. A repeat testosterone
# r3 F0 X& a; n5 G& z$ c6 Q9 Otest was ordered, but the family did not go to the0 T: t# O: D* ~& z1 f) L4 I
laboratory to obtain the test.& I) P9 l; f- @/ u6 z5 v5 s* }
Discussion
2 n8 F, K9 u7 |* dPrecocious puberty in boys is defined as secondary
9 u* _* E" v& ?9 X4 r7 Tsexual development before 9 years of age.1,4: H. C* d* ]" O7 q7 G
Precocious puberty is termed as central (true) when
2 F; O& \0 A0 yit is caused by the premature activation of hypo-! c7 E& u+ I. P+ a5 F
thalamic pituitary gonadal axis. CPP is more com-
1 n# F: T4 ?: }. m. [: i. ^" Mmon in girls than in boys.1,3 Most boys with CPP
; s' t: {  n* D: `* x5 I& Fmay have a central nervous system lesion that is
* D( t' S7 b( `responsible for the early activation of the hypothal-) E' t6 g3 V, A
amic pituitary gonadal axis.1-3 Thus, greater empha-
  x7 B  [) a3 tsis has been given to neuroradiologic imaging in
+ Z7 I# I! }6 r* zboys with precocious puberty. In addition to viril-0 n7 ^7 `, \" B3 Z
ization, the clinical hallmark of CPP is the symmet-8 T! C) F# `: I& W; X. H1 S% m6 A
rical testicular growth secondary to stimulation by+ z" b$ ~2 E4 d7 d4 _, b
gonadotropins.1,3
( ^9 k" _% Z, ^1 V7 RGonadotropin-independent peripheral preco-  u* U  l, w7 @
cious puberty in boys also results from inappropriate# c: E2 c' D* p# w' T/ r' N
androgenic stimulation from either endogenous or+ b; R* [4 k6 {' h( O. l9 k
exogenous sources, nonpituitary gonadotropin stim-! R6 C$ ?0 p- C: ]
ulation, and rare activating mutations.3 Virilizing
8 w' Q! e" w4 Econgenital adrenal hyperplasia producing excessive3 D4 H6 t2 J, f+ o/ O
adrenal androgens is a common cause of precocious; {; s( V5 {5 X; C3 b% K- r
puberty in boys.3,44 `' ^8 `/ v/ c! U9 h6 k# U
The most common form of congenital adrenal7 x% c' w& r1 W' E
hyperplasia is the 21-hydroxylase enzyme deficiency.# A( B5 Y) _. `
The 11-β hydroxylase deficiency may also result in. \/ z, x: S9 B1 k  f
excessive adrenal androgen production, and rarely,
: P0 _$ }! d1 N% A- Jan adrenal tumor may also cause adrenal androgen
" r' W" I4 w/ m# P4 Cexcess.1,31 U9 O  P& \  J& C/ s
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from! u% @9 H/ E; g3 @" D
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
# F" [; H, P! ?# o, YA unique entity of male-limited gonadotropin-
& r0 K3 O# e& h  V7 D0 @  B$ m6 zindependent precocious puberty, which is also known
3 Z# a2 E( I" \& R0 Y- X1 K0 @as testotoxicosis, may cause precocious puberty at a* @) L, |* x& ^* m8 R. x% q; k# O6 o
very young age. The physical findings in these boys
) o* b8 D8 e8 Y3 gwith this disorder are full pubertal development,
1 _. ^- K& a# q- yincluding bilateral testicular growth, similar to boys; E* v: Z4 U. ~4 S' K
with CPP. The gonadotropin levels in this disorder
& z+ \, V: S" i5 j- h3 F: Oare suppressed to prepubertal levels and do not show
# ?& o+ p: [9 B! o( z5 \# p: m4 Opubertal response of gonadotropin after gonadotropin-
* B' W- O3 d( N/ U; Lreleasing hormone stimulation. This is a sex-linked# e( |8 ?% N, ]$ r% E. ?
autosomal dominant disorder that affects only9 p0 D: D5 O- w, c
males; therefore, other male members of the family( x6 G( k! A* V2 x' I
may have similar precocious puberty.3
' z+ [* Y! k! L. Z! E1 P7 |/ cIn our patient, physical examination was incon-
+ L# v1 i: B! X, p. `sistent with true precocious puberty since his testi-( d5 e' S' L+ G0 o. |6 x& `% z" S( o* N
cles were prepubertal in size. However, testotoxicosis- G- p% Q8 f" P  a; P% b
was in the differential diagnosis because his father2 Z4 h1 g: ~- d: i) g# a
started puberty somewhat early, and occasionally,
: L1 c, _/ Z4 G. k- A4 H0 B" itesticular enlargement is not that evident in the) u# U1 x- ?* _. N
beginning of this process.1 In the absence of a neg-% ?: J* Y. [# R/ z3 H& ^# C
ative initial history of androgen exposure, our3 [. X& P; {/ ^1 r% S
biggest concern was virilizing adrenal hyperplasia,
2 S& r. J; _0 u! beither 21-hydroxylase deficiency or 11-β hydroxylase- @+ X: H/ G( [' g' q  C; Y
deficiency. Those diagnoses were excluded by find-
9 e; E' w! X& _3 {; n* Aing the normal level of adrenal steroids.4 Q" J* }% O, @, q' B5 c! [
The diagnosis of exogenous androgens was strongly
6 m, l/ G( u. \* Lsuspected in a follow-up visit after 4 months because- L, w. K- a6 C4 A' `1 V  Q
the physical examination revealed the complete disap-; T0 U% c: _; [% y; m
pearance of pubic hair, normal growth velocity, and
$ B, g) e0 E7 S9 H5 w" `3 d* W& Udecreased erections. The father admitted using a testos-
  `) _: U8 q6 V7 n5 B, Rterone gel, which he concealed at first visit. He was: ^5 C" H9 n. g+ `8 s1 l% g* D# p
using it rather frequently, twice a day. The Physicians’$ w& {; m8 W) @- l6 h0 P# L4 _
Desk Reference, or package insert of this product, gel or" p# q7 g' S. `; Y7 m2 W4 Q
cream, cautions about dermal testosterone transfer to% S" b, @  q2 v7 H& {, ~
unprotected females through direct skin exposure.% m# }, w( d0 @9 l- L
Serum testosterone level was found to be 2 times the
) j) K) T* T1 @baseline value in those females who were exposed to
6 _& s. x, _- _! Neven 15 minutes of direct skin contact with their male3 j( T9 ~! v0 ]& t. l
partners.6 However, when a shirt covered the applica-  r; r' u' O0 g/ O( ?( g
tion site, this testosterone transfer was prevented.
1 L4 h# D* s. O" G% ^+ o6 aOur patient’s testosterone level was 60 ng/mL,- c7 H8 ~, ]% a- @+ b; S
which was clearly high. Some studies suggest that
6 F# q8 m8 E( w$ Ydermal conversion of testosterone to dihydrotestos-
& n+ k$ o+ Y* S: Lterone, which is a more potent metabolite, is more8 y* [% m7 j- A# t3 V1 `
active in young children exposed to testosterone) a1 i. ~. \' p  j& N. \
exogenously7; however, we did not measure a dihy-
* M) a; i/ b6 r$ I) ydrotestosterone level in our patient. In addition to
' N7 _/ T8 ?2 A/ c: v' N) ]virilization, exposure to exogenous testosterone in
$ D% N; P$ K+ n7 @children results in an increase in growth velocity and
( `+ b3 \- `8 z1 Badvanced bone age, as seen in our patient.3 h. B; p7 |% o# l
The long-term effect of androgen exposure during( ~- G  D* ?& z$ J( D
early childhood on pubertal development and final
: a+ ^1 x! o; Z, i: aadult height are not fully known and always remain
( x% `: E) b/ e$ t, p. o; Ha concern. Children treated with short-term testos-
; h6 V  p: n( mterone injection or topical androgen may exhibit some
& A! t5 d5 d  m6 [acceleration of the skeletal maturation; however, after
- |2 h' B$ `! l& e/ `cessation of treatment, the rate of bone maturation' i% U9 L4 ^9 `4 A& U$ G9 T
decelerates and gradually returns to normal.8,9
4 A. X" D3 n9 j8 K' h/ P6 {There are conflicting reports and controversy6 s8 u+ {+ e* o7 x4 V! l& J
over the effect of early androgen exposure on adult) s  G/ n0 e8 p$ y$ i
penile length.10,11 Some reports suggest subnormal# B/ c  e! O( T& o( L* W& X
adult penile length, apparently because of downreg-3 x& p. n0 K; y1 a
ulation of androgen receptor number.10,12 However,
" z9 Z, x0 \2 M5 @0 O1 `Sutherland et al13 did not find a correlation between, Y; k5 A' g8 L8 l
childhood testosterone exposure and reduced adult
; V1 O8 J% _0 M* ipenile length in clinical studies.
' }, Z  u7 C. f! V1 |* s) _Nonetheless, we do not believe our patient is
1 X  ], v* l- C5 U& C- `" i+ _% bgoing to experience any of the untoward effects from  I% W( O: l) r. N9 E
testosterone exposure as mentioned earlier because
, N% @$ s: g1 q" zthe exposure was not for a prolonged period of time.
1 R8 t- T; \; U& Z' C& iAlthough the bone age was advanced at the time of
- \3 n) \) d0 K: ]7 p5 K9 E8 gdiagnosis, the child had a normal growth velocity at+ S/ G5 {' V5 F. B7 Q
the follow-up visit. It is hoped that his final adult
5 P% K' l2 X) [( k; `/ D" yheight will not be affected.. N' |% q; r& f1 F% v# v
Although rarely reported, the widespread avail-' h* M% X  O" `+ p+ @
ability of androgen products in our society may; L6 U5 W" E3 R# ^& Q( o3 z
indeed cause more virilization in male or female! H4 r. z6 ^7 k: v/ l
children than one would realize. Exposure to andro-
  p4 k( n* _/ J+ _gen products must be considered and specific ques-/ @* Q# H6 R7 r9 Z/ p+ ~9 {$ j
tioning about the use of a testosterone product or
/ V) d# e! _; ~$ G( bgel should be asked of the family members during
% R' j' \- {2 Q: _$ i# \the evaluation of any children who present with vir-
- R2 c! T1 \) G% Y# filization or peripheral precocious puberty. The diag-5 U; c2 R! y8 I" A
nosis can be established by just a few tests and by
# \" X9 P/ D1 Y0 r' Y, J; Z% Jappropriate history. The inability to obtain such a
0 y, l. t: t% g/ ~& jhistory, or failure to ask the specific questions, may
* g# @4 u6 ]# i  R$ H' o/ A5 Yresult in extensive, unnecessary, and expensive8 j1 B: s: c5 h
investigation. The primary care physician should be
5 P& M& R: K; u! V6 taware of this fact, because most of these children% S+ Y1 u: o1 I7 |( o4 W2 ?& q
may initially present in their practice. The Physicians’
: G  G9 T# f7 WDesk Reference and package insert should also put a
) U& \8 Z4 [1 H& b# r! G2 Dwarning about the virilizing effect on a male or
+ a4 J2 `$ _; ffemale child who might come in contact with some-3 o$ A+ }( q& o2 w! G- x0 _
one using any of these products." ^3 z4 s3 j  k' {6 x6 }
References( A5 b/ Q4 R5 ~2 ^5 J* I1 c
1. Styne DM. The testes: disorder of sexual differentiation9 D2 Y2 I! b- Z  o& Q$ y- `
and puberty in the male. In: Sperling MA, ed. Pediatric& n1 a9 f1 r& {, p6 M- o  S2 ^
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
# V$ R: {! |2 F4 F2002: 565-628.0 N7 v! q* @/ G* c0 H5 b
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
/ d* K8 x5 o/ }. Upuberty in children with tumours of the suprasellar pineal
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Sexual Precocity in a 16-Month-Old
: A9 |% O- o5 oBoy Induced by Indirect Topical
4 `$ f" C. j# Z- P* w% xExposure to Testosterone' K# q& e5 |! m& K! F
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,25 b& |* W( [# Y/ o$ w
and Kenneth R. Rettig, MD1+ ^2 @0 c- n% b2 |/ g/ ?
Clinical Pediatrics
: y. q5 y: R# l& m, l/ c. uVolume 46 Number 66 K8 {  @$ z" _& {/ y
July 2007 540-543
( t( V  c+ [' z) N4 i& a2 z# L© 2007 Sage Publications+ [$ R! B" ~. I" N2 o
10.1177/00099228062966512 C4 w2 P# u$ q% u
http://clp.sagepub.com2 P) C; g* O4 C- U
hosted at
$ A- H, N, w, S# N- {http://online.sagepub.com$ Z2 Z* J7 M% D+ k; k3 s' s( `7 K
Precocious puberty in boys, central or peripheral,
( i& O& t, a2 W6 [& fis a significant concern for physicians. Central& h& q- t% C, h' R4 x( @
precocious puberty (CPP), which is mediated+ y7 |. T% R5 ?' Y$ s6 P, A
through the hypothalamic pituitary gonadal axis, has
, Q  R& u5 ?/ k$ ]; Ba higher incidence of organic central nervous system% ^; Z8 a9 X; `
lesions in boys.1,2 Virilization in boys, as manifested9 i7 O' v/ K( {& i  X; ~
by enlargement of the penis, development of pubic6 @6 W. T6 \9 Y
hair, and facial acne without enlargement of testi-' }9 ~4 b, D/ e9 R7 P. @& r; x
cles, suggests peripheral or pseudopuberty.1-3 We
5 N+ L; o4 h# R7 P2 Z  Kreport a 16-month-old boy who presented with the
2 @+ Y/ H- o9 Q$ N: genlargement of the phallus and pubic hair develop-
" {, c5 k. ~; q/ z, N# ?. Nment without testicular enlargement, which was due) L4 V+ v: _. n5 v
to the unintentional exposure to androgen gel used by
% ^4 U# F  B/ r. x9 {/ }; Sthe father. The family initially concealed this infor-1 Y* d- v: N' _1 q/ g
mation, resulting in an extensive work-up for this- h/ e! i. r5 J( q! K/ W+ d: |
child. Given the widespread and easy availability of
0 T. E' e3 N& u' Ctestosterone gel and cream, we believe this is proba-
4 P! M. [3 p  u9 K2 |. y# Q0 kbly more common than the rare case report in the3 Q0 L- w* z0 `% z) W0 x  ^1 V
literature.4
2 A4 s' v$ I7 P3 E' H- X2 pPatient Report5 A% o1 U0 `" g1 s8 p3 f" a4 d" f
A 16-month-old white child was referred to the
2 k" \: _" L! E0 i* x; q4 {' Nendocrine clinic by his pediatrician with the concern8 f: O: g' U' x* _1 l
of early sexual development. His mother noticed% Q4 }2 [. _3 a
light colored pubic hair development when he was
, H) A' ~  l( L$ p2 f9 q; `From the 1Division of Pediatric Endocrinology, 2University of
3 Q9 r/ R% i5 W$ b0 fSouth Alabama Medical Center, Mobile, Alabama.4 p" p2 f+ \$ y' x
Address correspondence to: Samar K. Bhowmick, MD, FACE,
/ l( r; o% ]+ c! |2 o4 f4 s/ Q7 C: ZProfessor of Pediatrics, University of South Alabama, College of
1 p% e' T. Y* B& BMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;& |4 X  j3 D" n! X: P! E0 }
e-mail: [email protected].4 v, X5 H0 i; B$ @
about 6 to 7 months old, which progressively became
) ]. c& b; X/ s1 O; Mdarker. She was also concerned about the enlarge-
  C4 r6 E  r+ i! f9 M: G" Zment of his penis and frequent erections. The child
* f* O3 V- f9 I. I4 G/ ewas the product of a full-term normal delivery, with
2 q# K! S0 F% H' Z" oa birth weight of 7 lb 14 oz, and birth length of0 X* t- C" M, N' z$ r7 ~5 n
20 inches. He was breast-fed throughout the first year
( e. P5 P+ d) z( q( Qof life and was still receiving breast milk along with: b  e& [/ b6 S# f* \: L
solid food. He had no hospitalizations or surgery,, R+ k, U+ t. R( t4 ^$ _& E! d5 B
and his psychosocial and psychomotor development
) i. A3 W, A+ q7 ?5 x; lwas age appropriate.: L* c' d* B2 x$ X7 t
The family history was remarkable for the father,, f# X6 W0 \% `
who was diagnosed with hypothyroidism at age 16,
* r/ r8 L" ^4 f0 E$ `6 Ywhich was treated with thyroxine. The father’s
4 c6 F5 `8 f, a; Theight was 6 feet, and he went through a somewhat
' I+ x. p2 O1 m: qearly puberty and had stopped growing by age 14.# @- ~$ n; G- v& Q) K5 p
The father denied taking any other medication. The0 p! E9 Z* d+ Z
child’s mother was in good health. Her menarche( `4 s& D3 K8 n- q& H
was at 11 years of age, and her height was at 5 feet
. Y# J7 E! c( `# ?8 @; i! {" j5 inches. There was no other family history of pre-/ n% g- \: A6 ~- J% L; n0 B
cocious sexual development in the first-degree rela-
8 s9 a% r' D! d5 ?tives. There were no siblings.
# M6 Q. ^5 t# v( y  D4 g4 X9 z# U7 ~. fPhysical Examination
& F0 x5 b1 |  U, e. V2 t# k/ HThe physical examination revealed a very active,! N, m# }, s& c; J3 d+ w" C+ o
playful, and healthy boy. The vital signs documented
  X2 G4 ^5 Q; ]7 ^' {' ^! k& @9 Xa blood pressure of 85/50 mm Hg, his length was& k5 s) |. S- h# ~
90 cm (>97th percentile), and his weight was 14.4 kg+ B* }# i) J! d/ W+ S& u
(also >97th percentile). The observed yearly growth
6 c3 g6 G- b. n. Y/ N7 Hvelocity was 30 cm (12 inches). The examination of: C) b2 L: @/ X( [
the neck revealed no thyroid enlargement.
" V6 S5 b% P% rThe genitourinary examination was remarkable for; q( F0 m" G* t) }  t6 ?# w
enlargement of the penis, with a stretched length of
+ P% ]) _* @1 _. N  a2 D8 cm and a width of 2 cm. The glans penis was very well
$ M; t8 z" M9 P) L$ i2 {1 edeveloped. The pubic hair was Tanner II, mostly around+ j& a6 S* ~: ?0 p. o
540/ D% d' Q9 G* m2 E8 d
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
9 D" }- V* w' h. Kthe base of the phallus and was dark and curled. The+ F; {: O  D6 R% |8 s. X( m
testicular volume was prepubertal at 2 mL each.
/ i' N) k9 j3 @- V, k2 D3 j; \The skin was moist and smooth and somewhat
) S1 O* d$ ^! q5 d( Y: |$ ^/ ~oily. No axillary hair was noted. There were no% h% p. U4 s" y* E' G, Z" ~. g
abnormal skin pigmentations or café-au-lait spots.( e4 Y( ~( m+ P. ^% y
Neurologic evaluation showed deep tendon reflex 2+
0 I' R9 \1 u1 j7 v! m* Zbilateral and symmetrical. There was no suggestion
$ P9 P4 N1 E; ^. D9 L& oof papilledema.' J. W( K. `6 d6 o  C/ Q4 T
Laboratory Evaluation
* ]1 o$ v7 _! ?The bone age was consistent with 28 months by
& |0 `% H5 n  A; ?% L( A" zusing the standard of Greulich and Pyle at a chrono-
; p/ V4 ^5 R+ `2 w9 {0 T3 h! vlogic age of 16 months (advanced).5 Chromosomal3 O4 G! J7 _. i) H" w
karyotype was 46XY. The thyroid function test  q- e6 _3 }" I( Y0 t7 ?8 l$ }
showed a free T4 of 1.69 ng/dL, and thyroid stimu-, Y/ }4 R4 k" R/ y1 i8 R9 R6 w
lating hormone level was 1.3 µIU/mL (both normal).
" `$ A# {% W* D4 n0 r- [The concentrations of serum electrolytes, blood- _; a3 ~: ?& G  h3 U" P0 r
urea nitrogen, creatinine, and calcium all were0 z$ p2 u) Y# d, G3 D  a
within normal range for his age. The concentration- I+ F* e7 K- |! z) h( V& j7 c
of serum 17-hydroxyprogesterone was 16 ng/dL, d1 q- ]- E9 i, Z
(normal, 3 to 90 ng/dL), androstenedione was 20
- a" k' l7 V: V. Wng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-2 W; j  h3 b5 V2 w
terone was 38 ng/dL (normal, 50 to 760 ng/dL),5 K) C8 K0 }" l8 E  w; J
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
! z7 s3 t) ?$ g: r$ W$ D49ng/dL), 11-desoxycortisol (specific compound S)
" F9 p; ~* T# T* Lwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-( t- y6 A; @! c* R) P8 H! q& L
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
' w: R: i: H# Y2 m. Y/ J" i" ctestosterone was 60 ng/dL (normal <3 to 10 ng/dL),9 h7 G" t4 V$ P% e3 w3 Y. c
and β-human chorionic gonadotropin was less than
  F. x% w% J) T& [2 T5 k5 mIU/mL (normal <5 mIU/mL). Serum follicular
4 A; ^. F! S0 a" f! L" A; [stimulating hormone and leuteinizing hormone# _) Y" m9 f, m9 G
concentrations were less than 0.05 mIU/mL
# ?' @+ B% p5 n(prepubertal).
3 K3 X4 }$ y- {  }; i# VThe parents were notified about the laboratory
- I7 B6 W3 }+ g+ ]. N# k1 s5 gresults and were informed that all of the tests were  y8 ^! }. l# c* f. T( i0 J
normal except the testosterone level was high. The5 _) x! W$ V( N% U
follow-up visit was arranged within a few weeks to" h$ G. t- ], i0 I' Q8 r
obtain testicular and abdominal sonograms; how-1 f) J9 l1 y) Q) V( m* A  U2 N3 c
ever, the family did not return for 4 months.$ f' \. A9 u+ t$ k8 F: l3 @& b5 m
Physical examination at this time revealed that the- {# T3 ^2 H0 s+ M% u
child had grown 2.5 cm in 4 months and had gained$ ~; s+ ]& O9 k# Z8 R: z! H$ [
2 kg of weight. Physical examination remained
9 K: q" Z# ~! V; d, q- \3 Qunchanged. Surprisingly, the pubic hair almost com-% G" ]. r# ?% ]* {
pletely disappeared except for a few vellous hairs at
. D9 M) C% G) W1 f( n1 c2 J, N7 kthe base of the phallus. Testicular volume was still 2
" d" d2 h& {" }% |! I  B0 d5 f5 QmL, and the size of the penis remained unchanged.6 S# F, x. W( x2 ^# V
The mother also said that the boy was no longer hav-
1 E& z( K! h' u1 H, R/ Qing frequent erections." w, W: F% s, ^' y' J/ k/ e# l2 s
Both parents were again questioned about use of
  G5 h1 @+ `2 Dany ointment/creams that they may have applied to
$ R$ e8 o0 w' J! O9 e1 a$ {8 I0 Dthe child’s skin. This time the father admitted the
" o0 ^; d5 p# VTopical Testosterone Exposure / Bhowmick et al 541
2 b4 U$ x; m) W0 {1 G/ d0 luse of testosterone gel twice daily that he was apply-
6 \. e. U% u8 b, v. V4 e2 l% f- Iing over his own shoulders, chest, and back area for; a: L' m1 U% o2 Y
a year. The father also revealed he was embarrassed
/ m9 i, |- j: L2 N, dto disclose that he was using a testosterone gel pre-% J( s3 h4 k5 D- P
scribed by his family physician for decreased libido4 A% t; u7 Q7 a7 e! r* M
secondary to depression.! P; b3 }, b: d  T
The child slept in the same bed with parents.
& x0 l! u# W) N/ X- p1 t$ hThe father would hug the baby and hold him on his9 Y% X) s" j$ o/ ?$ m
chest for a considerable period of time, causing sig-
, V9 |4 c* l& C2 v9 cnificant bare skin contact between baby and father.! Y$ x0 j7 f/ h" R
The father also admitted that after the phone call,) Z$ U9 a! `1 _) k. a8 t
when he learned the testosterone level in the baby  V# [& D6 x$ a- i0 g
was high, he then read the product information
4 y- P) m' l; q: `: C9 Mpacket and concluded that it was most likely the rea-
  T8 C% t' R1 k" Z( X! X) q# e/ H, kson for the child’s virilization. At that time, they  _5 o, _! N7 t% A* n; P4 ~- M
decided to put the baby in a separate bed, and the8 I! V( p: N- p' V0 l, }! w, Z5 b
father was not hugging him with bare skin and had
" X: _7 e2 M' g% L0 |5 mbeen using protective clothing. A repeat testosterone0 A  _: c& t( C. N6 D0 L
test was ordered, but the family did not go to the- ^1 T$ d' b* Q9 k# l- A
laboratory to obtain the test.
* W! u, n) M6 W! j5 QDiscussion  J* L$ @9 _" T9 E# a
Precocious puberty in boys is defined as secondary: b0 m* c* c# T" M
sexual development before 9 years of age.1,4
7 {9 U( f6 C! G3 b0 SPrecocious puberty is termed as central (true) when0 g3 R: E  k/ I) G( @. U
it is caused by the premature activation of hypo-1 n/ x9 o. r6 H3 t8 k
thalamic pituitary gonadal axis. CPP is more com-
/ p5 y& O" v9 T2 M- ~0 d/ ]mon in girls than in boys.1,3 Most boys with CPP
2 F3 U& r) K3 @( n8 r$ Tmay have a central nervous system lesion that is( N+ n" ?* Q( y, B+ f
responsible for the early activation of the hypothal-; `3 i& q# w: [1 P9 e# Q
amic pituitary gonadal axis.1-3 Thus, greater empha-1 b) x8 D2 O9 Y& O3 C# S# _% l. J
sis has been given to neuroradiologic imaging in' o2 q& O8 u  i" b+ r
boys with precocious puberty. In addition to viril-4 z% T6 f3 u0 Z5 t- y% I0 V
ization, the clinical hallmark of CPP is the symmet-
) z: E& F, e7 k+ _8 O$ s) mrical testicular growth secondary to stimulation by. n6 |! l) n  g2 s. j2 U* P/ r* k+ E
gonadotropins.1,3
4 y; c( B! m4 b: G7 b  Z8 hGonadotropin-independent peripheral preco-" _: Z2 S# W% v$ e8 C/ P) R& G- p
cious puberty in boys also results from inappropriate& Q8 M) K6 ~  r$ ^0 _& _
androgenic stimulation from either endogenous or
3 W0 q4 B0 `. A5 _, b( Eexogenous sources, nonpituitary gonadotropin stim-9 g$ B, ]$ h6 U, W. A6 p+ Y
ulation, and rare activating mutations.3 Virilizing2 x' ?) Y/ D# @7 J& {
congenital adrenal hyperplasia producing excessive
. }: x  Z4 R% l: z: t6 yadrenal androgens is a common cause of precocious# i6 D; c6 G0 A- `$ D
puberty in boys.3,4
, a" V4 G9 X; B( I( ]The most common form of congenital adrenal3 t2 B3 F( v5 n" q
hyperplasia is the 21-hydroxylase enzyme deficiency.
- b: S* W4 E6 J' cThe 11-β hydroxylase deficiency may also result in
% \3 y9 N8 c) K1 B: J# w5 Jexcessive adrenal androgen production, and rarely,
4 I( e5 W, d  e3 d, \an adrenal tumor may also cause adrenal androgen
: G. Q1 c  g1 I; e. |2 P8 Fexcess.1,3- E' S: s( y' W# i, |) M( N( d2 B
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
# h+ T, c1 ^/ v- h9 _% [) ], j542 Clinical Pediatrics / Vol. 46, No. 6, July 2007: i/ s- H, n: |2 b# o
A unique entity of male-limited gonadotropin-
' q% g5 d' F1 Kindependent precocious puberty, which is also known
( @  L# K1 r5 j2 X  Tas testotoxicosis, may cause precocious puberty at a
: c8 T+ w5 R3 I% Tvery young age. The physical findings in these boys
" _& ~. G7 s3 s4 y& C* owith this disorder are full pubertal development,
6 A0 I1 x$ w; K- r1 lincluding bilateral testicular growth, similar to boys* E- B( l3 w) O! A# J+ u2 m3 L4 Q
with CPP. The gonadotropin levels in this disorder$ b! O: Z+ _3 s, i7 I
are suppressed to prepubertal levels and do not show' K* J1 C; c8 R
pubertal response of gonadotropin after gonadotropin-  @; n! b0 Y' i- ]2 A2 C
releasing hormone stimulation. This is a sex-linked
4 W. ?, c2 X* n! A, P/ ~/ sautosomal dominant disorder that affects only
9 d0 W$ U  U" {males; therefore, other male members of the family8 O# f' a$ J& {$ G; m
may have similar precocious puberty.3' D! ~5 t2 {! W
In our patient, physical examination was incon-  ?: ?* h' M/ C/ w3 k, b
sistent with true precocious puberty since his testi-. D$ m( B) Z* Z
cles were prepubertal in size. However, testotoxicosis
6 h  Q9 Q2 P1 H0 g8 }was in the differential diagnosis because his father
) |- g: B  }$ ^9 l4 U1 @  [started puberty somewhat early, and occasionally,1 L5 _+ N- p! z# @
testicular enlargement is not that evident in the
1 i* d/ D- f1 t' kbeginning of this process.1 In the absence of a neg-
+ r3 ^6 J  w. y$ U3 _5 i5 c0 Gative initial history of androgen exposure, our2 m4 k1 T1 V" G. i4 C( b
biggest concern was virilizing adrenal hyperplasia,
' C% @% i) Q. X! J: t* M) yeither 21-hydroxylase deficiency or 11-β hydroxylase" }$ `! _! P7 S' o
deficiency. Those diagnoses were excluded by find-
1 u% {& O3 A' C6 ~ing the normal level of adrenal steroids.' c0 _' L0 Z- n" k& i
The diagnosis of exogenous androgens was strongly: V9 h: _# x% I
suspected in a follow-up visit after 4 months because
$ u6 R# d& n& r! w4 I4 p: e: gthe physical examination revealed the complete disap-8 f! V2 @0 Y: E
pearance of pubic hair, normal growth velocity, and
6 V' v4 ~# G* k/ \( J: h( ndecreased erections. The father admitted using a testos-
4 |  o; V1 j% P) |terone gel, which he concealed at first visit. He was
, Q/ J, s" z1 |+ x8 Qusing it rather frequently, twice a day. The Physicians’* I$ ~+ a8 c* H1 H3 D8 h: X; g
Desk Reference, or package insert of this product, gel or9 ?4 W; T. W3 H. R1 @, U
cream, cautions about dermal testosterone transfer to
/ h9 Q& h! X' ~0 z" z% n+ zunprotected females through direct skin exposure.
; j! @( ~1 ?5 P. n+ kSerum testosterone level was found to be 2 times the5 a$ i/ D: Q0 U+ u" G+ d
baseline value in those females who were exposed to
: A1 l; p9 C; y' P9 `1 xeven 15 minutes of direct skin contact with their male  {& ^% b5 x+ `! h' X% t0 G
partners.6 However, when a shirt covered the applica-. W9 K; ]4 M7 \/ P, B! B0 ?
tion site, this testosterone transfer was prevented." s1 i. U- \0 N/ o0 B
Our patient’s testosterone level was 60 ng/mL,
4 P  }) O& u! u. q2 d8 C* t4 Mwhich was clearly high. Some studies suggest that+ C& G6 a8 d% w( v$ V6 L& U5 K- H# _
dermal conversion of testosterone to dihydrotestos-7 ~, D5 h9 p7 Z5 T4 `1 z; i
terone, which is a more potent metabolite, is more! S2 R6 J% ^2 f0 x+ ^& K" U/ P
active in young children exposed to testosterone
2 |; g. u' M' b2 Oexogenously7; however, we did not measure a dihy-% v+ G' r8 s, q8 c, ?& ~* u6 r- z7 s
drotestosterone level in our patient. In addition to
% E- e- ~! M  C% ?9 J! dvirilization, exposure to exogenous testosterone in1 O1 @- R' R+ H8 [& Y$ p$ u
children results in an increase in growth velocity and& ?+ Q- ^# }' I* u7 `3 X# L3 t
advanced bone age, as seen in our patient.
& x) V; n  `9 QThe long-term effect of androgen exposure during
8 D% U9 K4 a0 D$ k3 uearly childhood on pubertal development and final1 e- A% e0 }; V2 w
adult height are not fully known and always remain) ~4 D! v, R( ]1 B) \$ k
a concern. Children treated with short-term testos-
- l0 c$ F( r* n/ w: _5 Lterone injection or topical androgen may exhibit some. U; {5 g3 d& i  k0 E7 x
acceleration of the skeletal maturation; however, after/ z0 v. r$ B' z9 K) j
cessation of treatment, the rate of bone maturation
6 X: [( [' X' W0 adecelerates and gradually returns to normal.8,95 y1 K. w0 K  u5 y  g
There are conflicting reports and controversy7 c9 O5 {/ N( U" L) s- I: X
over the effect of early androgen exposure on adult
% b8 J( Q2 R. Y8 fpenile length.10,11 Some reports suggest subnormal# t% w$ P! A. S. t5 V/ }+ {
adult penile length, apparently because of downreg-
& P; }* X& ?% sulation of androgen receptor number.10,12 However,
6 w. M8 }7 T& k4 c* r& T. uSutherland et al13 did not find a correlation between
1 S' h9 W  R8 x3 i9 }6 V. Achildhood testosterone exposure and reduced adult
5 u/ z7 P5 C2 o& n" o& Ppenile length in clinical studies.
+ n2 D8 J0 \9 a9 W# qNonetheless, we do not believe our patient is' Y5 C& Z; z. w# a9 ?4 E
going to experience any of the untoward effects from1 |% m# i! _3 K6 c
testosterone exposure as mentioned earlier because/ \; [0 S  l2 N2 n( s6 J
the exposure was not for a prolonged period of time.
& e, n5 p6 [/ P0 O: _! V: C! Q6 J7 wAlthough the bone age was advanced at the time of2 {; U+ C/ \. }/ }9 O% q$ A. f
diagnosis, the child had a normal growth velocity at  a+ |' k' `7 e' [* \8 Q( x2 i* g
the follow-up visit. It is hoped that his final adult- ^: L; y, W  e
height will not be affected.) j/ v, p# k$ V" [
Although rarely reported, the widespread avail-6 `! K% w+ v/ E; u6 l, E
ability of androgen products in our society may
' _2 H! o# y( C1 d/ B# c2 Zindeed cause more virilization in male or female
2 ^& |0 O+ c  F) |children than one would realize. Exposure to andro-. }8 f& I) V4 L7 _5 h- ^
gen products must be considered and specific ques-: A8 }" [* A7 K2 S' H
tioning about the use of a testosterone product or8 d! z! v! E; [. ?2 Q9 o
gel should be asked of the family members during
" W; i: Z$ C7 ?. I7 Z# {, ~the evaluation of any children who present with vir-: r& I! Q- r+ G/ B( c
ilization or peripheral precocious puberty. The diag-
. n3 r9 g8 u- @. `# Z, Bnosis can be established by just a few tests and by
" n1 d% S2 L0 R& x0 w& F: Iappropriate history. The inability to obtain such a1 ]" t7 ?5 b, m* ]& ^
history, or failure to ask the specific questions, may* c+ k  R+ n/ D
result in extensive, unnecessary, and expensive- O! [/ E7 A& Q
investigation. The primary care physician should be- J; J3 e7 o7 I9 o9 B3 x- H
aware of this fact, because most of these children
+ d) a- D) j! W7 n0 Fmay initially present in their practice. The Physicians’* c: D/ Z$ C0 o6 O/ s' P
Desk Reference and package insert should also put a  i1 V+ I  {& D5 O
warning about the virilizing effect on a male or: j6 @% M; I" F
female child who might come in contact with some-
/ l# A. N% t1 b1 b7 y" Y9 h7 w5 \* Oone using any of these products.' f  b; g9 D3 R! e% v! P$ [
References
7 k" B' {% \* H1 l7 X1. Styne DM. The testes: disorder of sexual differentiation# }# D+ b1 F" o% n
and puberty in the male. In: Sperling MA, ed. Pediatric
$ \' C; f2 l% B/ g1 OEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
) m( T' q9 g3 a# _$ a4 Q2002: 565-628.+ y: B& v; B" }! Q7 o& M
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
9 x1 m% I. a6 ~7 j$ |4 N9 A" C- Lpuberty in children with tumours of the suprasellar pineal
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發表於 2025-1-7 21:59:43 | 顯示全部樓層
這個我收藏了!謝謝分享!WK的資源越來越豐富,這少不了大大的辛勞!

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發表於 2025-1-10 10:43:39 | 顯示全部樓層
VIP精品區,資源無限好賺金任務區,輕松賺金幣
加入VIP,享受高級特權宣傳賺金又升級,超級棒
感謝大大的辛勞分享!我會繼續在WK關注大大的文章!
累計簽到:11 天
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發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点

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發表於 2025-1-17 16:31:39 | 顯示全部樓層
VIP精品區,資源無限好賺金任務區,輕松賺金幣
加入VIP,享受高級特權宣傳賺金又升級,超級棒
4个什么样的?
累計簽到:3 天
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發表於 2025-1-19 02:41:05 | 顯示全部樓層

2 X% S! `5 S4 a, t精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!

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發表於 4 天前 | 顯示全部樓層
絕對的好貼!謝謝啊!逐字逐圖地看完這個帖子以後,我的心久久不能平靜,感恩啊!
 分享同時學會感恩,一句感謝的話語,就是最大的支持!  歡迎交流討論
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