例1:周××,男,66岁。住院号:67571。右耳前下无痛性肿块3月余,3个月前发现在右耳前腮腺咬肌区黄豆大之无痛性肿块,洗脸时不慎擦破肿块表面皮肤,以后经常肿痛流血水,肿块逐渐增大。青、链霉素治疗后:炎症稍有减轻,但肿块不消。于1981年12月来我科门诊。检查:右耳前下3×2.5cm肿块,皮肤溃烂。中央呈囊状坏死腔,黄白色颗粒状脓液流出。初诊疑患“腮腺癌”,作活检。病理报告:钙化上皮瘤。 Example 1: Zhou × ×, male, 66 years old. Hospital number: 67571. Three months before the painless mass in the right ear, three months ago, a large, painless mass of soybean was found in the masseteric area of ​​the right parotid gland. When the face was washed, the surface of the mass was inadvertently wiped. Afterwards, the blood was often swollen and bleeding. Masses gradually increased. After treatment with streptomycin and cyanine, inflammation slightly decreased, but the mass did not disappear. In December 1981 to our department. Examination: 3x2.5cm mass in front of the right ear, skin ulceration. The central cavity is cystic necrosis with yellow-white granular pus. First diagnosed with suspected “parotid gland cancer” for biopsy. Pathology report: Calcified epithelioma.