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Vanished Testis: A Histological Study / 대한비뇨기과학회지
Korean Journal of Urology ; : 543-546, 1996.
Article in Korean | WPRIM | ID: wpr-181490
ABSTRACT

PURPOSE:

A histological study was undertaken to characterized the vanished testes in boys who had impalpable cryptorchidism and found to have nubbin remnant during last 9-years period.

METHODS:

Of 108 impalpable cryptorchid boys, 42(44 nubbins, 38.9%) were found to have vanished testes at exploration.

RESULTS:

Thirty nine(88.6%) were located on the left side and the other 5(11.4%) were on the right side. The age range was 6 months to 14 years(mean;52.2 months). All 44 nubbin remnants were excised and examined microscopically. Grossly it was characterized by several centimeters of spermatic cord with small fibrotic tissue at distal end. Microscopically fibrous tissues were identified in all 44 specimens(100%), vasa deferens in 36(81. 8%), epididymis in 19(43.2%), calcifications in 18(40.9%), hemosiderin deposits in 6(13. 6%), germ cells in 5(11.4%), seminiferous tubules in 7(15.9%), tunicae albuginea in 7(15.9%) and hyalinizations in 3(6.8%).

CONCLUSIONS:

The finding of scattered foci of calcifications, hemosiderin deposits and the presence of relatively normal spermatic cord and epididymis, supports the concept of in utero torsion of the testis as the etiology of vanished testis. The 11.4% incidence of viable germ cells warrants exploration and removal of remnant tissue in boys with a impalpable cryptorchidism.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Seminiferous Tubules / Spermatic Cord / Testis / Incidence / Cryptorchidism / Epididymis / Germ Cells / Hemosiderin / Hyalin Type of study: Incidence study / Prognostic study Language: Korean Journal: Korean Journal of Urology Year: 1996 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Seminiferous Tubules / Spermatic Cord / Testis / Incidence / Cryptorchidism / Epididymis / Germ Cells / Hemosiderin / Hyalin Type of study: Incidence study / Prognostic study Language: Korean Journal: Korean Journal of Urology Year: 1996 Type: Article