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is a significant concern for physicians. Central3 f; e1 x u% i) L- g) P# D N2 T
precocious puberty (CPP), which is mediated
. e* ?0 m' \' R0 e+ o- L5 ethrough the hypothalamic pituitary gonadal axis, has
; `2 I, \ y" t( |1 ^a higher incidence of organic central nervous system6 W/ a7 K. X# L U! n
lesions in boys.1,2 Virilization in boys, as manifested
7 l' L" r7 r5 ~) Sby enlargement of the penis, development of pubic3 Q N* @" V! j/ u/ h+ J5 D
hair, and facial acne without enlargement of testi-: Y% m7 ]7 ^9 y
cles, suggests peripheral or pseudopuberty.1-3 We
" g" a. g9 R) jreport a 16-month-old boy who presented with the
" A" U2 s0 t5 u7 K* Henlargement of the phallus and pubic hair develop-
; K. _5 L6 \ w' \) V& F! p/ Vment without testicular enlargement, which was due
- t! ^, d2 U% E7 B7 d3 ato the unintentional exposure to androgen gel used by
* b, m/ { M5 `9 O h" t6 Tthe father. The family initially concealed this infor-, r: i' R: k# V5 u+ H; o
mation, resulting in an extensive work-up for this
# E7 `, C+ f$ ~0 c. W4 O7 zchild. Given the widespread and easy availability of
: P% `; e' x- T4 Z% t$ A9 Dtestosterone gel and cream, we believe this is proba-# g- O4 g7 G# n0 M( n# f% V
bly more common than the rare case report in the
# S4 ~! y% z+ X3 B1 ?1 ?9 aliterature.4
4 m# w' T" ^; u3 t$ T: J5 UPatient Report3 e! q1 T9 @% h9 h
A 16-month-old white child was referred to the
9 |& [/ b( j" ?9 Z3 d# I: z$ bendocrine clinic by his pediatrician with the concern
" d& ~8 W7 D$ h. uof early sexual development. His mother noticed) t0 ^2 B5 \4 u& F
light colored pubic hair development when he was
- d# p/ T6 J- s$ q0 b) H+ ZFrom the 1Division of Pediatric Endocrinology, 2University of
& G% v$ Q) q$ P5 f7 YSouth Alabama Medical Center, Mobile, Alabama.
; z3 }6 |" R# lAddress correspondence to: Samar K. Bhowmick, MD, FACE,
5 n# \6 i' I8 ?5 a3 ^Professor of Pediatrics, University of South Alabama, College of: V: |8 k5 g0 ]$ b# ?& H
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;! D8 ^4 F+ p1 @! t4 l( S5 X
e-mail: [email protected]. Q6 O/ |# {3 ~" N
about 6 to 7 months old, which progressively became' P4 e/ p0 n* U9 _$ o8 }+ [
darker. She was also concerned about the enlarge-1 c! p# X. H9 D
ment of his penis and frequent erections. The child
$ I$ ] B( _% O# Qwas the product of a full-term normal delivery, with8 q) D( t. Z' w1 z
a birth weight of 7 lb 14 oz, and birth length of
' k- T ~0 P' a& ~4 ~20 inches. He was breast-fed throughout the first year
8 v g+ h/ D8 {: V: B) oof life and was still receiving breast milk along with
2 o4 x4 |, v5 b/ n; C, `( ^* ~( Isolid food. He had no hospitalizations or surgery,# B( P' e# \* \! c+ o, s) m- }2 ?
and his psychosocial and psychomotor development
* n: b: T: `1 I% r; B# ewas age appropriate./ ]6 ^, N+ g9 N( y! }% b4 f
The family history was remarkable for the father,: G' T ~9 A. `8 P/ V
who was diagnosed with hypothyroidism at age 16,
4 [1 m# H( [: s' p; H8 b0 rwhich was treated with thyroxine. The father’s+ v. s. `) G, K7 U A1 r
height was 6 feet, and he went through a somewhat) T" E( l) k* k
early puberty and had stopped growing by age 14.
9 P/ P- X2 W& R/ H' t% TThe father denied taking any other medication. The9 Q" o, Z; T; d& K/ Z
child’s mother was in good health. Her menarche6 V6 Z; @) ?7 c5 `
was at 11 years of age, and her height was at 5 feet4 }3 s! z9 G: g7 P* M( d M' E: P
5 inches. There was no other family history of pre-
1 m. q% E) [1 J* [cocious sexual development in the first-degree rela-
3 m/ i* V) Y! _. N0 [" m, o3 w) T/ M* Utives. There were no siblings.
3 |& x1 W: e! b( J3 y) zPhysical Examination& y2 ]' t- v1 w8 k3 W/ X/ ]" A
The physical examination revealed a very active,* s; F" _, {2 s
playful, and healthy boy. The vital signs documented
/ B, [( r" U# c- m j; }5 M% Wa blood pressure of 85/50 mm Hg, his length was0 K$ B# K$ G' r. G. ^. w7 r
90 cm (>97th percentile), and his weight was 14.4 kg
% B5 t2 V2 K; \+ C+ L, K(also >97th percentile). The observed yearly growth5 j' S! U& c5 D, Z0 ^: T
velocity was 30 cm (12 inches). The examination of
+ t" ]$ a9 M' Q3 g7 ]2 U% fthe neck revealed no thyroid enlargement.- W1 |" _. Z" c: x& _" R
The genitourinary examination was remarkable for" w* s2 w) l7 n! n
enlargement of the penis, with a stretched length of! U4 x4 P7 d0 m7 P& h. p8 q
8 cm and a width of 2 cm. The glans penis was very well
3 l) m4 O& ]+ S1 ^5 bdeveloped. The pubic hair was Tanner II, mostly around
: U* r& {+ o0 k# X7 N8 N540, z: i7 M4 }# p) b. g6 g
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from b4 c% q. C) ~% j, V
the base of the phallus and was dark and curled. The
3 y0 O+ ]) A& E, vtesticular volume was prepubertal at 2 mL each.3 `6 A7 s- w; h2 ~* B, R( e+ x
The skin was moist and smooth and somewhat) _" o# n( Y6 O$ T
oily. No axillary hair was noted. There were no
5 l9 F+ ?0 U& R. T; V. l4 [abnormal skin pigmentations or café-au-lait spots.' ?4 O, r+ Q; X- @! ~7 d
Neurologic evaluation showed deep tendon reflex 2+
# S9 _( E' l+ q L% V( h/ jbilateral and symmetrical. There was no suggestion+ S9 Y. @( j1 C7 {/ L3 M; j
of papilledema.
' `; M! Y3 k/ t: s5 l5 Y+ e; ~Laboratory Evaluation# C, b0 f- I) s
The bone age was consistent with 28 months by4 x1 N5 `& U9 V& g6 A5 q' b
using the standard of Greulich and Pyle at a chrono-
( g) B2 A6 L w* w, jlogic age of 16 months (advanced).5 Chromosomal
* _% g2 O& y- X* l0 p, xkaryotype was 46XY. The thyroid function test% G4 k1 ?& h$ R2 V; b( R' Y
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
8 H; k7 t* K! K% A( Blating hormone level was 1.3 µIU/mL (both normal).; h' `. L* Z" T' r8 Q( y
The concentrations of serum electrolytes, blood
: q4 G! }8 A' h: E2 f6 Hurea nitrogen, creatinine, and calcium all were
. F1 q& q/ q$ l2 A. X" ewithin normal range for his age. The concentration
0 n9 e; J& g( b$ ]$ Xof serum 17-hydroxyprogesterone was 16 ng/dL
6 a! u1 R6 S8 |' y/ `; h; g(normal, 3 to 90 ng/dL), androstenedione was 20 \2 l; g/ `" t8 O- x2 l
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
) }. P, I5 g+ ^terone was 38 ng/dL (normal, 50 to 760 ng/dL),
# S- k- u# s& U8 a0 D# `desoxycorticosterone was 4.3 ng/dL (normal, 7 to8 V7 `& ~2 u7 l6 _( X
49ng/dL), 11-desoxycortisol (specific compound S)
' [$ B$ a& l7 V' q. N) awas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-* `- `5 ?' A2 K
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total2 `+ O7 _& n% ]- C8 R8 ?) c% z2 f( y
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),% e: K; @8 A, {/ J8 S
and β-human chorionic gonadotropin was less than3 b* w+ r6 u! M& l" a2 E' H
5 mIU/mL (normal <5 mIU/mL). Serum follicular
$ N/ M: Y5 H% P* a/ h# astimulating hormone and leuteinizing hormone6 H2 x: i$ J j, C) L8 P2 l
concentrations were less than 0.05 mIU/mL% w* K2 ]/ Z7 t* A& C& S0 p
(prepubertal).
, Z/ S# s. Z7 \- ^! s3 C% L! A# Q+ ~The parents were notified about the laboratory
# j" F4 D7 c2 K9 [results and were informed that all of the tests were; L g* W+ ~- m6 t$ O' g
normal except the testosterone level was high. The
* T' g5 c+ w9 Q Mfollow-up visit was arranged within a few weeks to
3 r! c4 J( W2 }3 v% @ robtain testicular and abdominal sonograms; how-
% H: Z# g, }1 u0 m; uever, the family did not return for 4 months.
8 a v, \" ~7 z! O: d9 ^. kPhysical examination at this time revealed that the7 n/ r, p% [2 i4 Y% U0 d
child had grown 2.5 cm in 4 months and had gained
4 e! @" e) v0 t$ F2 kg of weight. Physical examination remained
! x- e1 \# n+ z4 }, Lunchanged. Surprisingly, the pubic hair almost com-1 [2 T6 g4 ^: @1 H. p! P
pletely disappeared except for a few vellous hairs at# L) a- u& U, x, f+ Y9 G* o6 T
the base of the phallus. Testicular volume was still 23 e+ k5 B7 \4 n- q8 K& M n
mL, and the size of the penis remained unchanged.
7 ?) H8 [: A0 q; Z* rThe mother also said that the boy was no longer hav-" j3 C5 e% M1 F( b' Q( B0 c! g
ing frequent erections.! V1 |/ |% C+ Q$ r
Both parents were again questioned about use of" o! C. m6 g' |& x2 j( y4 k3 R3 _
any ointment/creams that they may have applied to
& n `4 g; X+ a$ t0 zthe child’s skin. This time the father admitted the/ [% u& L# z3 T7 J- g+ f
Topical Testosterone Exposure / Bhowmick et al 5413 k: G1 b" h3 O1 K* u. e _% T
use of testosterone gel twice daily that he was apply-
( T$ g* u( F; C/ q# f( _ing over his own shoulders, chest, and back area for9 _: @) o+ R& x/ s! m
a year. The father also revealed he was embarrassed( ` }/ x1 K/ _
to disclose that he was using a testosterone gel pre-
/ S( T( R5 G$ r$ w; g( I9 Z4 o" Yscribed by his family physician for decreased libido4 w+ E' |% k- u! M2 f7 e# P# l
secondary to depression.
1 D9 C5 u+ G6 f7 T7 FThe child slept in the same bed with parents.( Z8 q; p3 ]- `% T) Z w4 y" }
The father would hug the baby and hold him on his
3 X2 R! Z! l3 ^5 o# q! m9 e9 |chest for a considerable period of time, causing sig-) s% v! A9 \' e+ E
nificant bare skin contact between baby and father.
5 P" H: U- ~' i5 H8 W9 mThe father also admitted that after the phone call,2 t" R. c; s# ?; @
when he learned the testosterone level in the baby
3 j+ w( o. \* M% G* r6 }# Ewas high, he then read the product information
- [7 H1 \+ H0 V& e) d, ~packet and concluded that it was most likely the rea-& y! [9 f6 u( `# }( p1 b6 c# K) {. c
son for the child’s virilization. At that time, they
1 b5 J: T: L) y& E+ f. f2 o7 Z0 `decided to put the baby in a separate bed, and the
3 y6 a7 E$ X. ]; Gfather was not hugging him with bare skin and had& c2 G" Z7 v; d- d
been using protective clothing. A repeat testosterone
9 f! {! v) d7 Y) w' d. h8 U- [test was ordered, but the family did not go to the: C4 W8 H, L8 |7 y& W: o
laboratory to obtain the test.0 D- X0 ], R2 X- R+ @: |
Discussion
7 A9 `( ~7 X) D4 bPrecocious puberty in boys is defined as secondary
5 y5 q4 y7 e7 Y( Msexual development before 9 years of age.1,43 j! y6 W0 k1 O1 y# C. W$ M. ?
Precocious puberty is termed as central (true) when" S8 r% o; \+ @
it is caused by the premature activation of hypo-
. r( d5 G6 q4 J- U5 J ~% z* Vthalamic pituitary gonadal axis. CPP is more com-
- x; `, D) Y8 N- e$ ^; Q3 Q0 g3 V" v1 ^5 gmon in girls than in boys.1,3 Most boys with CPP
* S3 Y: M3 k( A* V" @may have a central nervous system lesion that is
& i, E+ {; w- m& n& G3 m: Oresponsible for the early activation of the hypothal-* t% K* |* t0 c; n
amic pituitary gonadal axis.1-3 Thus, greater empha-5 ^. j& y! {" y
sis has been given to neuroradiologic imaging in
, d7 Z5 o4 P! I T8 Kboys with precocious puberty. In addition to viril-* a u2 {5 A8 @1 U9 ~
ization, the clinical hallmark of CPP is the symmet-3 j2 ~0 `9 L- e: e! {! [1 m+ R
rical testicular growth secondary to stimulation by; s( p1 V- d4 v8 |" w$ |
gonadotropins.1,3
2 ]/ a1 X$ l+ t) p% ^/ C+ `Gonadotropin-independent peripheral preco-4 _, m4 m1 k+ g2 m' m& W
cious puberty in boys also results from inappropriate9 W4 f. `! _! L) E
androgenic stimulation from either endogenous or* o/ m( V* k; x: X4 d; B5 e
exogenous sources, nonpituitary gonadotropin stim-
# k1 B" ^; W9 zulation, and rare activating mutations.3 Virilizing
+ P1 e4 i: n' {: Hcongenital adrenal hyperplasia producing excessive% M2 D% e: O8 C' F$ p
adrenal androgens is a common cause of precocious9 A7 i5 }3 ?& p: j4 ^8 _, b6 E* V
puberty in boys.3,4& l; ?2 D8 k( S4 M+ T2 A: N
The most common form of congenital adrenal! T+ h: C% p) j7 v/ l
hyperplasia is the 21-hydroxylase enzyme deficiency.+ |# S$ v$ a5 s3 A- e
The 11-β hydroxylase deficiency may also result in
5 Z# d7 r) c3 Y) N4 p: n1 jexcessive adrenal androgen production, and rarely,
- H+ K# L F) y" ^# g1 d( E* J8 ]an adrenal tumor may also cause adrenal androgen/ A7 P, ?4 r1 V/ h7 e7 |
excess.1,36 ]! r! B- q4 N7 n9 m/ j
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from6 }" J8 |$ B- T! X, ^7 Y0 q3 H" ?
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007( {- i7 {1 S: e" ^$ p! T, y
A unique entity of male-limited gonadotropin-# r4 H. ]/ p) Q! ]7 \9 T, g6 r
independent precocious puberty, which is also known# s2 |8 ]* t; ^% {
as testotoxicosis, may cause precocious puberty at a. j1 P: t! Q- q* e9 Z3 T
very young age. The physical findings in these boys8 D, v8 I! g; M/ g" j* n6 k8 r. |
with this disorder are full pubertal development,
% u0 {/ r/ E& a {7 ^0 gincluding bilateral testicular growth, similar to boys
4 k2 I$ \! F8 N; Z. vwith CPP. The gonadotropin levels in this disorder+ h: g1 X; Q2 \4 F
are suppressed to prepubertal levels and do not show
j! o' ^! _7 l; cpubertal response of gonadotropin after gonadotropin-
8 J0 S; F% b% B |releasing hormone stimulation. This is a sex-linked4 Y, J$ L- ?- h2 R2 U0 a7 c7 x
autosomal dominant disorder that affects only) V+ _. g* s. ^: [$ i9 e$ X6 |
males; therefore, other male members of the family1 s. F- P( w% v8 T. j* b" P
may have similar precocious puberty.3/ A6 _2 D) t* ~! E; b+ x9 _
In our patient, physical examination was incon-
2 y8 F# T7 z5 S/ rsistent with true precocious puberty since his testi-
) }6 T7 }5 u. |) l1 `6 f& z6 h- G3 B% ecles were prepubertal in size. However, testotoxicosis* d' e7 @) H# G" m
was in the differential diagnosis because his father
G4 f4 N! B( n. [/ T4 m" Hstarted puberty somewhat early, and occasionally,3 K4 q6 z y0 R8 J5 r
testicular enlargement is not that evident in the
( E0 h4 a4 ?. Z( M' j: u" nbeginning of this process.1 In the absence of a neg-1 z D: Z6 g0 Q$ z
ative initial history of androgen exposure, our
, n/ {/ w# d# ]$ X9 V7 j& ubiggest concern was virilizing adrenal hyperplasia,
5 q+ K+ s; } M! }7 }( ?either 21-hydroxylase deficiency or 11-β hydroxylase4 L5 z- M/ V! m- z, C% \
deficiency. Those diagnoses were excluded by find-
6 N/ M& X8 {- a( @" C3 Ting the normal level of adrenal steroids.
5 P+ a2 J# E8 P; vThe diagnosis of exogenous androgens was strongly
4 a; g7 l% c2 ^/ Ysuspected in a follow-up visit after 4 months because
( _' c, _+ o7 e: a7 ]' g& k% g+ Lthe physical examination revealed the complete disap-+ j& |, L" @% ^
pearance of pubic hair, normal growth velocity, and
: Y7 n0 K5 }1 x! N" q, vdecreased erections. The father admitted using a testos-
) P$ d# i+ k4 |( j& y3 dterone gel, which he concealed at first visit. He was
* f/ |# `* u' y" k2 d/ C- `using it rather frequently, twice a day. The Physicians’5 A0 o% q1 q/ Q1 j. {
Desk Reference, or package insert of this product, gel or
+ _: ?1 J3 p/ Z! n* E$ ]9 q; Scream, cautions about dermal testosterone transfer to
: ?/ m5 ^" @' W# iunprotected females through direct skin exposure.
* P D* u7 O5 R8 s% b8 z; Y- kSerum testosterone level was found to be 2 times the) G c1 D0 n- Y+ b( p
baseline value in those females who were exposed to+ N+ C' P7 F T
even 15 minutes of direct skin contact with their male
& I, j3 {1 y; M5 `0 I6 e9 jpartners.6 However, when a shirt covered the applica-* x" u# ]4 R+ k* S+ s, q5 _- u
tion site, this testosterone transfer was prevented.
5 T2 q' Z& s: o" J1 h a; K& eOur patient’s testosterone level was 60 ng/mL,, z. }1 K% w: Z( W# [) |, j- J0 Q
which was clearly high. Some studies suggest that
) x! q" @$ P J, I, z% kdermal conversion of testosterone to dihydrotestos-1 M' }0 O: E4 K2 y0 l% q( v
terone, which is a more potent metabolite, is more
( ^; ~8 G$ T7 r8 cactive in young children exposed to testosterone# F7 Z! k8 b7 Q. j$ B9 _
exogenously7; however, we did not measure a dihy-) P" B. @# w. C$ U. M
drotestosterone level in our patient. In addition to
; I; T) f& B; m6 {virilization, exposure to exogenous testosterone in K' \4 i7 g S1 l R
children results in an increase in growth velocity and+ {' P: Z: _6 O! A: i
advanced bone age, as seen in our patient.
, p# k! O8 `, OThe long-term effect of androgen exposure during& R$ a6 l0 O! Y: l
early childhood on pubertal development and final
6 [; X. U+ k: Y1 J$ ]& wadult height are not fully known and always remain3 a/ n8 X: M- l
a concern. Children treated with short-term testos-% f9 Y* h6 p' B% J8 }. O8 _
terone injection or topical androgen may exhibit some
4 h' ~" v1 Y8 U7 b( \/ X: W4 J, F: zacceleration of the skeletal maturation; however, after) `3 q- H- _2 n/ h, z! E
cessation of treatment, the rate of bone maturation
6 J+ X' Z! D/ f# Mdecelerates and gradually returns to normal.8,9( ?, M8 k' M: v3 N' R5 c* w
There are conflicting reports and controversy1 o: T, X0 i! T/ U' O4 Z
over the effect of early androgen exposure on adult
N8 X+ Q, F+ V7 k8 ^$ H, b1 `! vpenile length.10,11 Some reports suggest subnormal$ B ` p% h1 N7 }
adult penile length, apparently because of downreg-: H# C @" V: \3 L
ulation of androgen receptor number.10,12 However,( z: T# W- ?: X3 u2 Y. I
Sutherland et al13 did not find a correlation between
3 o4 L7 |8 m1 ?9 J7 u$ N: D7 }childhood testosterone exposure and reduced adult* O% P' c' B( Z1 n: X$ V6 e m
penile length in clinical studies.
; _! |2 o& k" l% c9 `7 cNonetheless, we do not believe our patient is, U$ ^3 S$ ?5 d6 [- h
going to experience any of the untoward effects from
, j: y2 N1 q: A' t. f, otestosterone exposure as mentioned earlier because9 D1 a1 s0 y$ }1 O) l! S" E6 }
the exposure was not for a prolonged period of time.
7 J. |7 Y, t& o+ k* a8 CAlthough the bone age was advanced at the time of% i8 O1 D! h' n
diagnosis, the child had a normal growth velocity at* |; F @2 d/ K" a2 ~2 ?
the follow-up visit. It is hoped that his final adult; i1 Q: _8 @) a. T8 _8 X0 Z
height will not be affected.
$ K p( y- O8 ?6 W( I' c! MAlthough rarely reported, the widespread avail-/ u3 V% Z$ ` z/ x) W* n/ _
ability of androgen products in our society may
3 O( m% C3 w4 n$ k$ findeed cause more virilization in male or female( m( ]& e! t; ]+ M9 i4 F* x0 }( P; K
children than one would realize. Exposure to andro-
1 i2 [3 j9 z2 X& x( L! i5 Hgen products must be considered and specific ques-0 R1 z& q6 N. }
tioning about the use of a testosterone product or0 N3 e6 ]& e* X) u
gel should be asked of the family members during' c, q4 r/ G! f. F% S
the evaluation of any children who present with vir-+ H. ]' h) @ n' ^9 G$ A9 ~
ilization or peripheral precocious puberty. The diag-
* A- u/ q# z5 c/ F( T1 {nosis can be established by just a few tests and by
5 U* C) i2 o+ k pappropriate history. The inability to obtain such a* j* z6 R3 b( J4 T4 K6 k
history, or failure to ask the specific questions, may
4 b! s3 K. |) }: w ^result in extensive, unnecessary, and expensive7 E3 s5 Y- c8 Q/ B1 p5 q
investigation. The primary care physician should be
+ j, k3 X2 G: C0 H& R2 N4 Q1 yaware of this fact, because most of these children
J( ]* b3 g; Q: kmay initially present in their practice. The Physicians’! K5 p9 K5 x4 x5 B+ H* z
Desk Reference and package insert should also put a& k( t+ p @! L: r- _& }
warning about the virilizing effect on a male or0 m$ i0 Z0 n5 U& c
female child who might come in contact with some-6 X# F- B- m9 R
one using any of these products.' p, x `" ~$ l$ N* o& ~
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$ A$ q, W# o- k2 x3 j Q" p# V3 Z2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
t; ~3 X3 z6 hpuberty in children with tumours of the suprasellar pineal; |" e" G/ _# R( ~5 W0 E3 I8 D
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Pediatric Endocrinology. 4th ed. New York, NY: Marcel
+ d$ L! f$ h0 kDekker Inc; 2003:211-238.
' `6 s/ S) M5 ]4. Yu YM, Punyasavatsu N, Elder D, D’Ercole AJ. Sexual
! @6 V6 o( U. i% @) h; x# _3 Edevelopment in a two-year-old boy induced by topical9 m4 \/ d/ e$ V" T1 c* ~
exposure to testosterone. Pediatrics. 1999;104:e23.# f, _! ?5 m. @) \ X
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Skeletal Development of the Hand and Wrist. 2nd ed.
8 S% ?/ i2 y% x/ R- FStanford, CA: Stanford University Press; 1959.; N2 U$ s( a, ?2 Z( h* u
6. Physicians’ Desk Reference. Androgel 1% testosterone, Z: k7 Q; a% z' C1 C6 M
Unimed Pharmaceutical Inc. Montvale, NJ: Medical
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