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We report a case of urachal actinomycosis. The patient presented with complaints of micturition pain and a lower abdominal mass. Computerized tomography and an echogram showed the mass extending from the dome of the bladder to just beneath the rectus muscle. Exploration revealed a hard mass in the urachal cord, which was near the dome of the bladder and extended to the umbilicus. The mass and urachal cord were resected, and histopathological examination revealed actinomycosis of the urachal remnants.
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Gotoh et al. (1988) studied this question.
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