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脊索瘤是一种少见的骨恶性肿瘤,但却是骶骨恶性肿瘤中最常见者,约占70％。现就我科术后放疗的5例报道如下。 1 病例介绍 例1,女性,51岁。因骶尾部疼痛,阵发性发作2年余,于1982年12月行骶尾部肿瘤部分切除,病理:脊索瘤。1984年复发,肛诊,于直肠后壁触及8cm×10cm突出肿物。X片示:骶骨3、4、5中心性溶骨性破坏,边界清楚,无硬化。再次手术,见瘤组织有包膜,将骶4、5脊神经连同瘤体全部切除。术后放疗,前后对野照射,肿瘤量10Gy/5次/7天,自动中止放疗,后失访。 例2,男性,50岁。腰腿疼渐加重半年。X片示:右侧骶骨孔1、2明显扩大,无硬化。于1985年8月13日手术,见骶1、2背侧骨质破坏,约8cm×5cm范
Chordoma is a rare bone malignant tumor, but it is the most common malignant tumor of the sacrum, accounting for about 70%. The following five cases of postoperative radiotherapy in our department are reported below. 1 Case Introduction Example 1, female, 51 years old. Due to the pain in the sacrococcygeal, paroxysmal attacks occurred for more than two years. In December 1982, the sacrococcygeal tumor was partially resected. Pathology: Chordoma. Recurrence in 1984, anal diagnosis, touched 8cm x 10cm prominent tumor in the posterior wall of the rectum. X-rays showed that the osseous bone 3, 4 and 5 had a central osteolytic lesion with clear boundaries and no hardening. After reoperation, the tumor tissue was covered and the spinal nerves of the fistulas 4 and 5 were removed together with the tumor. Postoperative radiotherapy, before and after the field irradiation, tumor volume 10Gy/5 times / 7 days, automatically stop radiotherapy, after lost. Example 2, male, 50 years old. Low back pain gradually increased for six months. The X-ray film showed that the right humerus holes 1 and 2 were significantly enlarged without hardening. Surgery was performed on August 13, 1985. See bone destruction in the dorsal and iliac crests 1, 2 and 5 cm.