CAJ | 학술논문

目的探讨分析肺硬化性血管瘤(PSH)的CT及18F-FDG PET/CT影像特征,以提高诊断水平.方法收集2012年5月～2014年7月以“肺占位性病变、性质待定”行手术且经手术病理证实为PSH的患者共12例(男2例,女10例,年龄24～80岁),对其影像学资料,包括胸部CT平扫、CT增强扫描以及18F-FDG PET/CT全身显像(5例)进行回顾性分析,分析PSH的影像学特征,探讨更有效的诊断方法.结果 12例患者中,9例为单发病灶(左肺4例,右肺5例),3例为多发病灶,其中1例为右肺下叶2个病灶,另2例为双肺多发病灶,可见病灶相贴或多发小病灶簇状分布.CT平扫示,病灶内部密度大致均匀,4例伴钙化,3例伴空气半月征.增强扫描示,病灶多数呈明显强化,个别病灶呈中度强化,8例均可见贴边血管征,6例可见囊变坏死.18 F-FDG PET/CT检查示,病灶呈轻～中度不均匀片状放射性摄取,SUVmax 2.2～4.0.结论 CT平扫及增强的多种表现对于PSH的诊断具有重要价值,18F-FDG PET/CT显像有助于病变良、恶性的鉴别诊断.
목적 탐토분석폐경화성혈관류(PSH)적CT급18F-FDG PET/CT영상특정,이제고진단수평.방법 수집2012년5월～2014년7월이“폐점위성병변、성질대정”행수술차경수술병리증실위PSH적환자공12례(남2례,녀10례,년령24～80세),대기영상학자료,포괄흉부CT평소、CT증강소묘이급18F-FDG PET/CT전신현상(5례)진행회고성분석,분석PSH적영상학특정,탐토경유효적진단방법.결과 12례환자중,9례위단발병조(좌폐4례,우폐5례),3례위다발병조,기중1례위우폐하협2개병조,령2례위쌍폐다발병조,가견병조상첩혹다발소병조족상분포.CT평소시,병조내부밀도대치균균,4례반개화,3례반공기반월정.증강소묘시,병조다수정명현강화,개별병조정중도강화,8례균가견첩변혈관정,6례가견낭변배사.18 F-FDG PET/CT검사시,병조정경～중도불균균편상방사성섭취,SUVmax 2.2～4.0.결론 CT평소급증강적다충표현대우PSH적진단구유중요개치,18F-FDG PET/CT현상유조우병변량、악성적감별진단.
Objective To evaluate characteristics of CT and 18F-FDG PET/CT in pulmonary sclerosing hemangioma (PSH).Methods A retrospective study involving 12 patients (2 males,10 females;24-80 years old) confirmed as PSH by pathology from May 2012 to July 2014 was investigated.All patients underwent chest CT scan,including enhanced CT;and 5 cases underwent whole-body 18F-FDG PET/CT.All imaging data were collected and analyzed to find out a more effective diagnostic method.Results In 12 PSH patients,9 had single lesion,of which 4 involved left lung and 5 right lung.The rest 3 patients including 1 with two nodules located in the right lower lobe,and 2 with multiple nodules scattered in several lobes.Plain CT showed all lesions had uniformly isodensity,4 with calcification,3 with air meniscus sign.Contrast-enhanced CT examinations showed that the majority lesions were prominent enhancement and few moderate enhancement,all lesions showed vessel marginating sign and 6 with cystic and necrosis area.18F-FDG PET/CT examinations showed that the lesions displayed patchy pattern of mild to moderate uptake with SUVmax 2.2--4.0.Conclusions The characteristic CT features of PSH,especially the contrast-enhanced CT imaging,are important for diagnosis.18F-FDG PET/CT findings are extremely helpful in differentiating PSH from malignant lesions.