巨大膀胱憩室の1例 - 膀胱腫瘍と膀胱憩室腫瘍を合併した症例 -

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We experienced a case of giant vesical diverticulum with a malignant neoplasm in which the preoperative diagnosis was difficult. It simultaneously occurred with a vesical tumor. The patient, a 68-year-old man, visited our hospital complaining of pollakisuria, nycturia and microscopic hematuria. He had urinary retention and his vesical urine volume was 1,450 ml. X-ray examination and ultrasound examination revealed a giant vesical diverticulum and moderate hypertrophy of the prostate. A vesical tumor was suspected. Cystometrogram revealed a flaccid pattern with vesical capacity over 900 ml. Diverticulectomy and resection for a vesical tumor were performed. A malignant neoplasm in the vesical diverticulum was found during the operation. Transurethral resection of the prostate was performed after two months. There has been no evidence of recurrence for 3 years postoperatively.