International journal of urology : official journal of the Japanese Urological Association · 2009
Scrotal nubbins associated with blind-ending spermatic vessels and a normal vas deferens on laparoscopy.
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Yamazaki Yuichiro, Suzuki Mari, Shiroyanagi Yoshiyuki, Matsuno Daisuke, Tanaka Yukichi
Аннотация
OBJECTIVES: To determine whether a scrotal nubbin is present in children with unilateral non-palpable testis when diagnostic laparoscopy demonstrates blind-ending vessels and a normal vas deferens entering a closed internal ring.
METHODS: Eighty consecutive patients with a unilateral nonpalpable testis were retrospectively reviewed. Patients underwent initial diagnostic laparoscopy, and, if needed, subsequent inguinal exploration was performed. On inguinal exploration, any testicular remnant or nubbin-like tissue was removed and evaluated histologically. Patients with a patent processus vaginalis were excluded from this analysis.
RESULTS: Overall, 60 of the 80 patients had neither an abdominal testis nor a patent processus vaginalis. Of these 60, 34 patients had both a vas deferens and spermatic vessels entering a closed internal ring, and all of these underwent inguinal exploration. A total of 17 patients had both a blind-ending vas deferens and blind-ending spermatic vessels; no inguinal exploration was attempted. In nine patients, laparoscopy revealed blind-ending vessels with a normal vas deferens entering the closed internal ring. Of these nine, six underwent inguinal exploration, and a scrotal nubbins was found in three. At histological examination, hemosiderin deposit and calcification were seen in the nubbin tissue. No viable germ cell was detected in these specimens.
CONCLUSIONS: A laparoscopic finding of blind-ending vessels above the closed internal ring does not mean intra-abdominal vanished testis, regardless of the appearance of the vas deferens.
METHODS: Eighty consecutive patients with a unilateral nonpalpable testis were retrospectively reviewed. Patients underwent initial diagnostic laparoscopy, and, if needed, subsequent inguinal exploration was performed. On inguinal exploration, any testicular remnant or nubbin-like tissue was removed and evaluated histologically. Patients with a patent processus vaginalis were excluded from this analysis.
RESULTS: Overall, 60 of the 80 patients had neither an abdominal testis nor a patent processus vaginalis. Of these 60, 34 patients had both a vas deferens and spermatic vessels entering a closed internal ring, and all of these underwent inguinal exploration. A total of 17 patients had both a blind-ending vas deferens and blind-ending spermatic vessels; no inguinal exploration was attempted. In nine patients, laparoscopy revealed blind-ending vessels with a normal vas deferens entering the closed internal ring. Of these nine, six underwent inguinal exploration, and a scrotal nubbins was found in three. At histological examination, hemosiderin deposit and calcification were seen in the nubbin tissue. No viable germ cell was detected in these specimens.
CONCLUSIONS: A laparoscopic finding of blind-ending vessels above the closed internal ring does not mean intra-abdominal vanished testis, regardless of the appearance of the vas deferens.