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We report 2 cases of scrotal swelling after placement of peritoneal catheters. 99mTechnetium intraperitoneal scanning was used to identify a patent processus vaginalis in each case. This simple, rapid, and nontoxic method can be used routinely to screen patients for a subclinical hernia before institution of intraperitoneal therapy.
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Ziegelbaum et al. (1988) studied this question.
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