骨软骨瘤是最常见的良性骨肿瘤 ,是指骨的表面覆盖以软骨帽的骨性突出物 ,多发生在儿童或青年期。由 3层不同结构组成 ,表面为软骨膜 ,由致密的纤维组织构成 ;中层为软骨帽 ,基底部由海绵状骨质构成 ,组织较坚硬 ,一般不能直接切片 ,必须经过脱钙处理 ,脱钙的好坏直接影响细胞 Osteochondroma is the most common benign bone tumor, refers to the bone surface covered with cartilage cap bony prominence, occurred in children or adolescence. Consists of three layers of different structures, the surface of the perichondrium, composed of dense fibrous tissue; the middle of the cartilage cap, the base of the cavernous bone composition, the organization is relatively hard, generally can not be directly sliced, must be decalcified, decalcified The quality of a direct impact on cells