In comparison, osteoid osteomas typically affect the diaphysis of long bones like the tibia, and don't usually erode the surrounding bone.

相比之下，样通常影响长干，例，并且一般不侵蚀周围骼。

Some unique symptoms are that the pain of osteoid osteoma typically gets worse at night, while osteochondromas and osteoblastomas sometimes press against spinal nerves, causing numbness and limb weakness.

一些独特的症状样的疼痛通常会在夜间加剧，而软、成有时会压迫脊神经，引起麻木和四肢无力。

Other benign tumors are osteoblastomas and osteoid osteomas, both of which arise from osteoblasts.

其他良性肿包括成、样，两者均起源于成。

In osteoid osteomas, the nidi are smaller than 1.5cm in diameter and are often surrounded by a ring of sclerotic bone tissue.

在样中，癌巢直径通常小于1.5cm，并且通常被硬化的组织包围（边缘硬化）。