Primary Malignant Melanoma of the Male Urethra
이승욱, 김은경, 이원미, Jo Jung-Man, 유탁근, 강정윤,
소속 상세정보
이승욱 ( Lee Seung-Wook )
을지대학교 의과대학 비뇨기과학교실
김은경 ( Kim Eun-Kyung )
을지대학교 의과대학 병리학교실
이원미 ( Lee Won-Mi )
을지대학교 의과대학 병리학교실
( Jo Jung-Man )
을지대학교 의과대학 비뇨기과학교실
유탁근 ( Yoo Tag-Keun )
을지대학교 의과대학 비뇨기과학교실
강정윤 ( Kang Jeong-Yoon )
을지대학교 의과대학 비뇨기과학교실
KMID : 0357920100440060662
Abstract
Primary malignant melanoma occurring within the male urethra is very rare. Here we report a case of malignant melanoma of the urethra in a 74-year-old man. He presented with asymptomatic gross hematuria for 5 months. His glans penis and adjacent penile skin had become discolored black 10 years ago. Cystourethroscopy showed a smooth oval-shaped elevated mass in the fossa navicularis. There were no abnormal findings in the proximal urethra and urinary bladder. Computed tomography did not detect any inguinal lymph node enlargement or distant metastases. The patient underwent partial penectomy and ilioinguinal lymph node dissection. Grossly, the distal urethra revealed an ovoid pigmented nodule, that measured 1 ×0.5 cm. Microscopic findings showed a nodular malignant melanoma arising in the urethral mucosa with pagetoid spread to the epidermis of the glans penis. There were no recurrences over a period of 12 months after surgery without chemotherapy. This is the second case of a primary malignant melanoma of the male urethra in Korea.
키워드
Urethra; Male; Melanoma
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