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  • Title: Adult nonpalpable testis: is laparoscopy always required?
    Author: Sahin C, Yigit T, Ozbey I.
    Journal: J Laparoendosc Adv Surg Tech A; 2002 Dec; 12(6):431-4. PubMed ID: 12590724.
    Abstract:
    Laparoscopy is widely used in the diagnosis and treatment of nonpalpable testes. Some nonpalpable testes are vanishing testes. In such cases, unnecessary laparoscopic interventions can be avoided by a careful selection of cases. Between 1996 and 2001, laparoscopic intervention was applied to 107 patients with nonpalpable testes. Of the cases, 23 were bilateral and 84 were unilateral. Patients were between 19 and 27 years of age (average age, 23 years). Diagnostic ultrasonography was performed in 44 of the 84 patients with nonpalpable testes. Dimensions of the scrotal testis were determined by the Prader orchiometer method. The dimensions of the opposite scrotal testis (of the scrotal nubbin) and the abdominal testis were compared with the dimensions of 20 normal, healthy individuals' scrotal testis (control group). Results were evaluated by the Mann-Whitney U test. During laparoscopy, 24 (28.5%) of the patients were found to have a vanishing testis. The vas deferens and the testicular blood vessels ended bluntly at the anterior edge of the interior inguinal ring in one patient, inside the inguinal canal in five patients, and in the scrotum in 18 patients. Among the 84 patients with nonpalpable testes, no testis was found in any of the 18 patients with palpable scrotal nubbins. The opposite scrotal testes were hypertrophic in 17 (70.8%) of 24 patients who had vanishing testis (P < .05), and they were hypertrophic in 22 (36%) of the 60 patients (P > .05) who had laparoscopically identified intraabdominal testes. We conclude that clinical and radiologic diagnosis is sufficient for adult patients with nonpalpable testicles and palpable scrotal nubbins and hypertrophic contralateral scrotal testes. Laparoscopic intervention should be applied to patients who do not have palpable scrotal nubbins.
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