pterotic bone

例句：

1. 1. The patient had a pterotic bone in his knee.
   这位病人膝盖上有一块骨质增生。
2. 2. The doctor advised the patient to take care of his osteoporotic bones.
   医生建议患者照顾好他的骨质疏松骨头。
3. 3. The patient was diagnosed with a pterotic bone in his hip.
   这位病人被诊断出髋部有一块骨赘。