膀胱黑色素瘤-一病例報告及文獻回顧
高國維、蕭毅君、薛又仁、黃建榮、賴昱維、邱文祥
台北市立聯合醫院仁愛院區外科部泌尿科
國立陽明大學醫學院泌尿學科
Bladder Melanoma – A Case Report and Review of Literatures
Kuo-Wei Kao, Yi-Chun Hsiao, Thomas Y. Hsueh, Andy C. Huang, Yu-Wei Lai, Allen W. Chiu
Division of Urology, Department of Surgery, Taipei City Hospital renai branch
Department of Urology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
Introduction: Malignant melanoma of urinary bladder is extremely rare, which accounts for about 0.2% of all melanomas. Herein we report a case primary melanoma of urinary bladder and review of current literatures.
Case presentation: A 78-year-old woman presented to urologic clinic with the presented symptoms of persistent painless gross hematuria for more than 1 month. Urine cytology revealed negative results. Intravenous urography showed no obvious filling defects, except moderate amounts of residual urine. She received cystoscopy and one erythematous erosive papule were found in the urinary bladder. Transurethral resection of bladder tumor was performed in this patient. Pathology report revealed melanoma of urinary bladder. Convalescence was uneventful and the regular follow-up was conducted In this patient.
Conclusion: There were less than 40 cases of primary melanoma of urinary bladder were reported in world literatures. Histopathological examination along with immunohistochemical stain can provide accurate diagnosis for this rare disease.