The differential diagnosis was with gland forming penile tumors (surface adenosquamous, mucoepidermoid, and urethral adenocarcinomas) and the angiosarcomatoid variant of sarcomatoid carcinomas.

• 其鉴别诊断包括形成腺体的阴茎肿瘤（阴茎表面的腺鳞癌、粘液表皮样癌、尿道腺癌）和血管肉瘤样的肉瘤样癌。