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作 者:白楚杰[1] 方志伟[1] 李丽琴[2] 陈静[1] 李舒[1]
机构地区:[1]北京大学肿瘤医院暨北京市肿瘤防治研究所骨与软组织肿瘤科恶性肿瘤发病机制及转化研究教育部重点实验室,北京100142 [2]中国人民解放军第二炮兵总医院肿瘤放射诊疗中心,北京100086
出 处:《现代仪器与医疗》2013年第2期24-27,共4页Modern Instruments & Medical Treatment
摘 要:目的探讨腺泡状软组织肉瘤的PET/CT表现。方法 10例经病理证实的腺泡状软组织肉瘤,术前均行18F-FDG PET/CT检察,对肿瘤的影像学表现及临床特征进行分析。结果原发灶PET/CT影像多呈不规则形状,信号不均匀。SUVmax值8,最小为1.7,平均值4.35,10例患者中9例发生复发或转移,PET/CT发现肺转移8例,软组织转移6例,脑转移1例,局部淋巴结转移6例,骨转移5例。而相应的CT检查仅发现肺转移5例,骨转移2例,软组织转移均没有发现。结论18F-FDGPET/CT有助于腺泡状软组织肉瘤的诊断和分期,从而指导治疗方案的选择。Objective This study was designed to investigate the role of 18F-FDG PET / CT in evaluation of alveolar soft part sarcoma (ASPS). Methods Ten patients with ASPS pathologically confirmed by biopsy were enrolled to underwent 18F-FDG PET/CT scanning. The image appearance and clinical characteristics of the tumors were analyzed. Results The primary lesions of ASPS had irregular shape and heterogeneous signal intensity on PET / CT images. The maximum SUV ranged from 1.7 to 8.0. Nine cases had recurrence or metastasis. PET/CT detected lung metastases in 3 cases, soft tissue metastases in 6 cases, brain metastasis in one case, lymph node metastases in 6 cases, and bone metastases in 5 cases. The CT images showed only lung metastases in 5 cases and bone metastases in 2 cases. The soft tissue and brain metastases were missed. Conclusions;18F-FDG PET / CT is useful for detection and staging of alveolar soft tissue sarcoma and is helpful to guide treatment selection.
分 类 号:R445[医药卫生—影像医学与核医学]
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