骨软骨瘤是一种原发良性骨肿瘤，很少发生在骶骨。
Osteochondroma is a rare primary benign bone tumor that can occur in the sacrum.
肿瘤包括恶性骨肿瘤2 3例，良性骨肿瘤30例。
目的：探讨髋骨良性骨肿瘤及肿瘤样病变的CT表现。
Purpose: The CT findings of the benign bone tumors and the tumorous lesions in hip bone were discussed.
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