Journal of pediatric surgery · 2017
Surgical exploration for impalpable testis: Which should be first, inguinal exploration or laparoscopic abdominal exploration?
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Igarashi Akihiro, Kikuchi Kenta, Ogushi Kenjiro, Hasegawa Mariko, Hatanaka Masahiro, Fujino Junko, Kishi Yoko, Ikeda Hitoshi
Аннотация
PURPOSE: To discuss an optimal surgical approach for impalpable testis in children, our own treatment results and those reported in the literature were reviewed.
MATERIALS AND METHODS: Seventy-two impalpable testes were diagnosed in 68 patients: unilateral in 64 patients and bilateral in 4 patients. All patients underwent surgical exploration at the ages of 6 to 140months (median, 15months). The inguinal canal was initially explored, and abdominal exploration was performed with laparoscopy when an extra-abdominal testis was not identified. In addition, articles regarding surgical exploration for impalpable testis, published over the last 20years, were retrieved and the results were examined.
RESULTS: Testes were detected by inguinal exploration in 28 of 72 (39%) impalpable testes: intracanalicular in 22 testes and at the internal inguinal ring (peeping or low abdominal testis) in 6 testes. All these testes were treated by conventional inguinal orchidopexy. Laparoscopic exploration was performed in 44 (61%) impalpable testes, and 4 (5.6%) high abdominal testes were detected and treated by two-stage Fowler-Stephens orchidopexy. Vanishing or absent testis was the final diagnosis in the remaining 40 testes (55.6%). The literature review showed that the ratios of intra- and extra-abdominal testes were lower in the articles that reported the results of inguinal or scrotal exploration than in those of laparoscopic exploration, although the difference was not significant.
CONCLUSIONS: Considering the relatively low incidence of high abdominal testis, we recommend to start with inguinal exploration for impalpable testis. When an extra-abdominal testis is not detected, transinguinal laparoscopic exploration should be indicated.
LEVEL OF EVIDENCE: Treatment study, Level IV.
MATERIALS AND METHODS: Seventy-two impalpable testes were diagnosed in 68 patients: unilateral in 64 patients and bilateral in 4 patients. All patients underwent surgical exploration at the ages of 6 to 140months (median, 15months). The inguinal canal was initially explored, and abdominal exploration was performed with laparoscopy when an extra-abdominal testis was not identified. In addition, articles regarding surgical exploration for impalpable testis, published over the last 20years, were retrieved and the results were examined.
RESULTS: Testes were detected by inguinal exploration in 28 of 72 (39%) impalpable testes: intracanalicular in 22 testes and at the internal inguinal ring (peeping or low abdominal testis) in 6 testes. All these testes were treated by conventional inguinal orchidopexy. Laparoscopic exploration was performed in 44 (61%) impalpable testes, and 4 (5.6%) high abdominal testes were detected and treated by two-stage Fowler-Stephens orchidopexy. Vanishing or absent testis was the final diagnosis in the remaining 40 testes (55.6%). The literature review showed that the ratios of intra- and extra-abdominal testes were lower in the articles that reported the results of inguinal or scrotal exploration than in those of laparoscopic exploration, although the difference was not significant.
CONCLUSIONS: Considering the relatively low incidence of high abdominal testis, we recommend to start with inguinal exploration for impalpable testis. When an extra-abdominal testis is not detected, transinguinal laparoscopic exploration should be indicated.
LEVEL OF EVIDENCE: Treatment study, Level IV.