Vulvar cancer - vulvar cancer

Japanese: 外陰癌 - がいいんがん

A general term for cancers occurring in the female vulva, i.e., the mons pubis, labia majora, labia minora, clitoris, vaginal vestibule, external urethral meatus, vaginal introitus, perineum, and their associated organs. It is a relatively rare disease, accounting for 1-2% of gynecological cancers, but is more common in older people. Most are squamous cell carcinomas, with adenocarcinomas and, rarely, malignant melanomas. At first, it appears as a small mass or shallow ulcer, but gradually grows into a large mass, spreading to the vagina, urethra, rectum, etc., and also metastasizing to the lymph nodes in the groin and pelvis.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

女性の外陰，すなわち恥丘，大陰唇，小陰唇，陰核，腟前庭，外尿道口，腟入口部，会陰およびそれらの付属器官に発生する癌の総称。婦人科の癌の1～2％と比較的まれな疾患であるが，高年者に多い。大部分が扁平上皮癌で，ほかに腺癌，まれには悪性黒色腫などがある。はじめは小さい腫瘤や浅い潰瘍であるが，しだいに増大して大きな腫瘤となり，腟，尿道，直腸などにひろがり，また鼠径部（そけいぶ）のリンパ節さらに骨盤内のリンパ節にも転移する。

出典　株式会社平凡社世界大百科事典第２版について　情報

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