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西德海德堡大学医院自1968年至1984年对61例例经组织学证实为腮腺癌病人给予电子束治疗。男32例,女29例,年龄22～85岁,平均62岁。鳞状细胞癌15例、未分化癌14例、多形细胞癌12例、腺癌8例、粘液上皮样癌7例、囊腺癌5例。诊断时16例已有颈淋巴转移,2例已有肺转移。61例中有58例先作肿瘤切除,创口愈合后作放疗。21例为根治性手术,37例术后有肿瘤残留(11例为镜下有肿瘤残留,26例肉眼可见肿瘤残留)。3例不能手术,只作了活检后放疗。中位随访57月,至少随访24月。全部病人采用42Mev或18Mev的西门子电子感应加
From 1968 to 1984, the University Hospital Heidelberg in West Germany administered electron beam to 61 cases of histologically confirmed parotid gland cancer. There were 32 males and 29 females, aged 22-85 years, with an average age of 62 years. There were 15 cases of squamous cell carcinoma, 14 cases of undifferentiated carcinoma, 12 cases of polymorphous cell carcinoma, 8 cases of adenocarcinoma, 7 cases of mucoepidermoid carcinoma, and 5 cases of cystadenocarcinoma. At the time of diagnosis, 16 cases had cervical lymph node metastases and 2 cases had lung metastases. Of the 61 cases, 58 cases underwent tumor resection before radiotherapy. Twenty-one patients underwent radical surgery and 37 patients had postoperative residual tumors (11 patients had residual tumors under the microscope and 26 patients had residual tumors under the naked eye). In 3 cases, no surgery was performed, only radiotherapy after biopsy was performed. The median follow-up was 57 months and at least 24-month follow-up. All patients use 42Mev or 18Mev Siemens electronic induction plus