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[A Case of Urothelial Carcinoma of the Bladder in an Adolescent Detected by Microhematuria].

A 14-year old female was referred to our hospital with the chief complaint of microhematuria. A bladder tumor of the right wall was detected by abdominal ultrasonography and cystoscopic examination. Transurethral resection of the bladder tumor was performed. Pathological examination showed urothelial carcinoma, low grade (grade 1＞grade 2), pTa. She was free of recurrence at 2 years and 5 months postoperatively.