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  • Title: [A case of leiomyoma of urinary bladder with relapse from the external urethral orifice--clinical analysis of leiomyoma of urinary bladder in Japan].
    Author: Sakuma T, Takenaka A, Gohji K, Arakawa S, Matsumoto O, Kamidono S, Fujii A.
    Journal: Hinyokika Kiyo; 1989 Sep; 35(9):1591-5. PubMed ID: 2683666.
    Abstract:
    A 22-year-old female visited our hospital with complaints of pollakisuria and dysuria on July 3, 1987. Cystoscopy revealed a tumorous lesion in the urinary bladder. On July 8, 1987, she had urinary retention because of relapse of the tumor from the external urethral orifice. Under the diagnosis of urinary bladder tumor, tumorectomy was performed. The resected tumor had a steel, smooth surface, was elastic soft, red-purple and 7 g in weight. Pathological examination demonstrated the tumor to be composed of spindle-like cells, which showed no mitotic figures. Therefore, the tumor was diagnosed as leiomyoma of urinary bladder. In the literature, 67 cases of leiomyoma of the urinary bladder have been reported so far in Japan. The patients ages ranged from the 2nd to 8th decade, the peak age being the 4th decade. The sex ratio was 5 to 2, females being predominant. Chief complaints were hematuria, pollakisuria and dysuria, but prolapse of the tumor from the external urethral orifice was rare, only 3 cases including our case being reported thus far. Tumorectomy (34 cases, 27%) or partial cystectomy (16 cases, 27%) was performed in many cases, because it was benign. The prognosis was good, and there have been no reports stating that it become malignant.
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