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Computed Tomography of Chondroblastoma-Demonstration of Two Cases

軟骨母細胞瘤之電腦斷層攝影-病例報告

摘要


軟骨母細胞瘤是一種少見之良性骨腫瘤,通常以長骨之骨髓端較易發生,尤其以經骨,股骨和肱骨之骨髓端最為常見,少部份發生在扁平及短管狀形骨之骨髓,如臏骨或跟骨等處。男女之心例比男孩較多,大約是=比一,其發生年齡以20歲以前為主。 軟骨母細胞瘤之診斷,首先應以常規X光攝影,在發現病變後必須更進一步採用電腦斷層攝影,因為常規X光攝影重疊面較廣,骨骼腫瘤內部之骨皮質損壞、鈣化、位置以及周圍組織相近關係均無法明顯現,以電腦斷層攝影可明確的將以上之病變重點顯現。這樣對骨科醫師在臨床治療上有極大之幫助。

並列摘要


Chondroblastoma is an uncommon primary benign bone tumor with plain radiographic appearance being generally characteristic. However, in some cases the complex anatomy and extent of the lesion cannot be clesrly depicted on conventional radiography and computed tomography (C.T) may be helpful. In our two cases, C.T. was proven able to accurately demonstrate anatomic extent, sclerotic rim, internal calcification and some other characteristic features of chondroblastoms.

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