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骨血管瘤(intraosseous hemangioma,IH)是一种原发于骨的良性肿瘤,约占所有原发性骨肿瘤的1%,通常累及脊柱和颅骨,发生于长骨和扁平骨者较为少见[1-2]。目前,IH的发病机制仍不明确,临床表现缺乏特异性。IH发生于脊柱和颅骨时,其影像学表现较为典型;发生于长骨或扁平骨时,其影像学可成侵袭性或恶性肿瘤表现[3],容易造成误诊。我们报道了1例位于扁平骨的多发性IH,查阅文献并分析其18F-FDG PET/CT显像特点,旨在为临床鉴别诊断提供参考。
多发性骨血管瘤18F-FDG PET/CT显像一例
18F-FDG PET/CT imaging of multiple intraosseous hemangiomas : a case report
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摘要: 笔者报道了1例多发性骨血管瘤(IH)18F-氟脱氧葡萄糖(FDG)PET/CT显像的病例,从临床症状、实验室检查和影像学表现等方面进行鉴别诊断。不同部位的IH的影像学表现各异,而18F-FDG PET/CT能为临床鉴别肿瘤的良恶性提供参考。由于发生于扁平骨的IH非常少见,且其影像学表现缺乏特异性,笔者通过对该病例的18F-FDG PET/CT显像特点进行分析,以期提高影像科医师对该病的认识。Abstract: A case of multiple intraosseous hemangioma (IH) with 18F-fluorodeoxyglucose (FDG) PET/CT imaging was reported, which was differentiated from the aspects of clinical symptoms, laboratory examinations and imaging findings. IH in different location have different imaging findings, and 18F-FDG PET/CT can provide a reference for clinical differentiation of benign and malignant tumors. As it was rare to find IH in flat bones, whose imaging findings were lack of specificity, the authors analyzed the 18F-FDG PET/CT imaging characteristics in order to improve the understanding of imaging physicians about the disease.
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