患者男 ,5 3岁。 5年前因发现右侧颊部肿块伴疼痛、溃烂 ,经病检为颊粘膜鳞癌 ,行根治术。 1年前又发现左侧颊部肿块伴疼痛 ,再次病检为颊粘膜癌行根治术。半年前发现左侧颈部如蚕豆大小包块并逐渐长大如鸽蛋和蚕豆大小包块各 1个 ,质硬、固定、无痛 ,经针吸病检证实为转移性鳞 Male patient, 5 3 years old. Five years ago, the right cheek mass was found with pain and ulceration. The disease was diagnosed as buccal squamous cell carcinoma and radical surgery was performed. One year ago, he discovered that the left buccal mass was associated with pain, and his second bout was buccal mucosal cancer. Six months ago, the size of the left neck, such as the broad bean mass, was gradually enlarged, such as a pigeon egg and a broad bean mass. The mass was hard, fixed, and painless. The needle was sucked and checked for metastatic scales.