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唇癌是起源于上下唇红黏膜或口角联合黏膜上皮组织的恶性肿瘤,以40岁以上男性多见。病理检查大多为鳞癌,腺癌少见。原发性唇癌侵犯邻近解剖结构,可累及齿龈、颌骨、舌、口底及面颈部皮肤等,亦可发生区域淋巴结扩散和远处转移。上唇癌主要为颌下、颈深上淋巴结扩散,偶可向腮腺,
Lip cancer is a malignant tumor that originated in the upper and lower lip red mucosa or oral mucosa epithelial tissue, more common in men over the age of 40. Mostly pathological examination of squamous cell carcinoma, adenocarcinoma rare. Primary lip cancer invading adjacent anatomical structures can affect the gums, jaw, tongue, mouth and face and neck skin, regional lymph node dissemination and distant metastasis may occur. Upper lip cancer is mainly submandibular, cervical lymph node dissemination, even to the parotid gland,