患者男性,29岁。因腰骶痛1年,左腰部包块3月余入院。X线与B超示L4~5椎体骨质破坏伴周围软组织肿胀。行抗结核治疗,效果不明显。术中见肿物位于L4椎体,累及L5椎体,L4、5椎体旁见一囊腔,内含脓液。病理检查巨检:送检破碎的灰白、灰黄色软组织一堆,2·5 cm×3 cm×4·5 cm大小。镜 Patient male, 29 years old. 1 year due to lumbosacral pain, left lumbar mass in March more than admission. X-ray and B ultrasound show L4 ~ 5 vertebral bone destruction with surrounding soft tissue swelling. Anti-TB treatment, the effect is not obvious. Surgery, see the tumor located in the L4 vertebral body, involving the L5 vertebral body, L4,5 vertebral body next to see a cyst, containing pus. Pathological examination of macroscopic examination: delivery inspection broken gray, gray-yellow soft tissue pile, 2.5 cm 3 cm 4 5 cm in size. mirror