中华放射学杂志
中華放射學雜誌
중화방사학잡지
Chinese Journal of Radiology
2011年
12期
1136-1138
,共3页
关玉宝%张卫东%何建行%曾庆思%陈国勤%雷永霞%邱源%钟南山
關玉寶%張衛東%何建行%曾慶思%陳國勤%雷永霞%邱源%鐘南山
관옥보%장위동%하건행%증경사%진국근%뢰영하%구원%종남산
胸部%节细胞神经瘤%体层摄影术%X线计算机%磁共振成像
胸部%節細胞神經瘤%體層攝影術%X線計算機%磁共振成像
흉부%절세포신경류%체층섭영술%X선계산궤%자공진성상
Thorax%Ganglioneuroma%Tomography,X-ray computed%Magnetic resonance imaging
目的 探讨胸部节细胞神经瘤的CT及MRI表现,提高对该病的诊断和鉴别诊断能力.方法 回顾性分析20例经手术病理证实的胸部节细胞神经瘤的临床、CT(14例)、MR(6例)平扫和增强扫描及所有病理学资料.结果 20例胸部节细胞神经瘤中,发生于后纵隔17例、侧胸膜2例、右侧整个胸腔1例.14例肿瘤平扫CT值20~40 HU,平均30.5 HU,4例伴有小结节状钙化,1例伴有斑片状脂肪密度影;动脉期增强CT值0~12 HU,平均6.2 HU,延迟期增强10~20 HU,平均14.3 HU.MRI检查5例在T1 WI上为均匀低信号,1例在T1WI上低信号内夹杂斑片状高信号脂肪影;T2WI上6例为不均匀高信号,其中1例呈旋涡状征象;增强后动脉期呈轻度不均匀强化,延迟期逐渐进行性轻度强化.结论 增强后CT及MRI显示肿瘤在动脉期不强化或轻微强化、延迟后逐渐轻度强化是胸部节细胞神经瘤的特征性表现.
目的 探討胸部節細胞神經瘤的CT及MRI錶現,提高對該病的診斷和鑒彆診斷能力.方法 迴顧性分析20例經手術病理證實的胸部節細胞神經瘤的臨床、CT(14例)、MR(6例)平掃和增彊掃描及所有病理學資料.結果 20例胸部節細胞神經瘤中,髮生于後縱隔17例、側胸膜2例、右側整箇胸腔1例.14例腫瘤平掃CT值20~40 HU,平均30.5 HU,4例伴有小結節狀鈣化,1例伴有斑片狀脂肪密度影;動脈期增彊CT值0~12 HU,平均6.2 HU,延遲期增彊10~20 HU,平均14.3 HU.MRI檢查5例在T1 WI上為均勻低信號,1例在T1WI上低信號內夾雜斑片狀高信號脂肪影;T2WI上6例為不均勻高信號,其中1例呈鏇渦狀徵象;增彊後動脈期呈輕度不均勻彊化,延遲期逐漸進行性輕度彊化.結論 增彊後CT及MRI顯示腫瘤在動脈期不彊化或輕微彊化、延遲後逐漸輕度彊化是胸部節細胞神經瘤的特徵性錶現.
목적 탐토흉부절세포신경류적CT급MRI표현,제고대해병적진단화감별진단능력.방법 회고성분석20례경수술병리증실적흉부절세포신경류적림상、CT(14례)、MR(6례)평소화증강소묘급소유병이학자료.결과 20례흉부절세포신경류중,발생우후종격17례、측흉막2례、우측정개흉강1례.14례종류평소CT치20~40 HU,평균30.5 HU,4례반유소결절상개화,1례반유반편상지방밀도영;동맥기증강CT치0~12 HU,평균6.2 HU,연지기증강10~20 HU,평균14.3 HU.MRI검사5례재T1 WI상위균균저신호,1례재T1WI상저신호내협잡반편상고신호지방영;T2WI상6례위불균균고신호,기중1례정선와상정상;증강후동맥기정경도불균균강화,연지기축점진행성경도강화.결론 증강후CT급MRI현시종류재동맥기불강화혹경미강화、연지후축점경도강화시흉부절세포신경류적특정성표현.
Objective To evaluate CT and MRI findings of the intrathoracic ganglioneuroma and to improve its diagnosis and differential diagnosis ability.Methods Clinical,CT( n = 14),MRI (n = 6) and pathology manifestations of 20 patients with the intrathoracic ganglioneuroma were retrospectively analyzed.All 20 cases had chest CT and MRI plain scanning and multiphase enhance scanning before operation.Results Seventeen of 20 lesions were located in posterior mediastinum,2 in pleura side and 1 in right thorax cavity.The CT value of the plain scans ranged from 20 to 40 HU ( mean 30.5 HU),Tubercle calcification were detected in four masses,one case with fat density was showed on CT scanning.After injecting contrast media,CT value ranged from 0 to 12 HU (mean 6.2 HU) in artery phase,ranging from 10 to 20 HU ( mean 14.3 HU) in delay phase.Five of 6 cases of MRI signals were homogeneously low intensity on T1 WI,1 case with fat signal was imhomogeneously low intensity on T1WI.Six cases were imhomogeneously high intensity on T2WI.A whorled appearance was visualized in one tumor on T2WI.The post-contrast enhancement MR images was slight enhancement imhomogeneously in artery phase and gradual increasing enhancement in delay phase.Conclusion On CT and MR imaging,no enhancement or slight enhancement in artery phase and gradual increasing enhancement in delay phase are characteristic manifestations of ganglioneuroma in the thorax.