1·Methods a retrospective analysis was done in 16 patients with osteoid osteoma proved by surgical pathology.
方法：回顾性分析经手术病理证实的骨样骨瘤16例。
2·Plenty of active osteoblasts, fibroblasts and mesenchymal cells were seen at the 2nd week, osteoid tissue formed, the proliferation of cartilage was active.
第2周见大量的活跃的成骨细胞、成纤维细胞和间充质细胞，形成骨样组织，软骨细胞增生活跃。
3·Method. Iso-C 3-dimensional intraoperative navigation was used to localize osteoid osteomas of the spine in 4 patients.
方法：术中iso - C 3d导航技术用于4名患者术中脊柱骨样骨瘤的定位。
4·Methods MR images of 17 cases of osteoid osteoma confirmed by pathology after operation were studied retrospectively.
方法对17例经临床手术病理证实的骨样骨瘤MRI影像资料进行回顾性分析评价。
1·Non-shaped matrix become the main part of the osteoid.
均一的无定形基质成为类骨质的主要部分；
2·At the distal part of femur in fetus age of 30 weeks, a cluster of lump-like osteogenic cell, osteoblast and basophlous osteoid filled among cells appeared at the secondary ossification center.
胎龄30周的股骨远端，骨化中心呈现团块状成群的骨原细胞和成骨细胞，嗜碱性的类骨质填充于细胞间；