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  • Title: The value of laparoscopy for impalpable testes.
    Author: Brown RA, Millar AJ, Jee LD, Cywes S.
    Journal: S Afr J Surg; 1997 May; 35(2):70-3. PubMed ID: 9267174.
    Abstract:
    Impalpable testes constitute up to 20% of cases of undescended testes and present both a diagnostic and a therapeutic problem. Knowledge of testicular site prior to orchidopexy is useful in planning surgical strategy. Misdirected blind inguinal exploration can be avoided. Many imaging techniques are time-consuming and expensive and can neither confidently locate an impalpable testis nor exclude its absence. Recently laparoscopy has been advocated as a safe and efficient method of identifying presence and site of an impalpable testis. The first stage of a divided-vessel orchidopexy may also be performed simultaneously. Fifty children with 60 impalpable testes--40 unilateral and 10 bilateral--underwent laparoscopic examination prior to groin exploration. In 5 (8%) an inguinal testis was found which had been missed on pre-operative palpation. The testis was absent in 23 (38%), of whom 13 had a limited negative groin exploration because cord structures were seen entering the internal ring. In 30 (50%) an intra-abdominal testis was identified; 14 were relocated into the scrotum with a standard orchidopexy, 16 required a divided-vessel orchidopexy. In 2 (4%) intra-abdominal testicular remnants were removed. There was no operative morbidity. We conclude that laparoscopy is a useful technique in the management of children with impalpable testes. Open perumbilical insertion of the trochar is a safe method of introducing the telescope into the peritoneal cavity. In addition to accurately identifying a testis in 60%, 40% were spared the pain and morbidity of an extensive groin exploration.
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