透明血管型Castleman病的CT及MRI表现

CT and MRI findings of hyaline-vascular Castleman's disease

目的:探讨透明血管型Castleman病的CT及MRI影像表现,旨在提高对该病的诊断水平。方法:回顾性分析4例经手术病理证实的透明血管型Castleman病的CT及MRI资料,总结其特征。结果:左锁骨上窝1例,纵隔1例,肠系膜1例,肝胃间隙1例,4例临床类型均为局限型,4例病理分型均为透明血管型。CT表现为椭圆形软组织肿块,平扫与肌肉相比呈等密度,动态增强4例肿块动脉期明显强化,静脉期及延时期均表现为持续强化。MRI检查T1WI病灶呈等信号,T2WI呈高信号,增强表现与CT近似。结论:透明血管型Castleman病有一定的CT和MRI影像学特征,具有较高的诊断价值,但需病理性确诊。

Objective:To study the CT and MRI findings of hyaline-vascular Castleman's disease and improve the diagnostic level to this disease.Methods:The CT and MRI imaging materials of 4 patients with hyaline-vascular Castleman's disease were analyzed retrospectively,diagnosis of hyaline-vascular Castleman's disease was done by surgery and pathology.Results:In these cases,1 case was at left supraclavicular fossa,mediastinum,mesentery,hepatogastric gap.The clinical types were topical type in 4 cases,the pathological types were 4 cases of hyaline-vascular.On CT the lesions were oval softtissue mass.CT scan showed isodense compared with muscle,dynamic contrast-enhanced CT scan of hyaline-vascular type in 4 cases,there was marked enhancement in tumor arterial phase,venous phase and delayed phase appeared as continuing to strengthen.There was thickening shadow of tortuous vascular around the lesions or/and in the lesions in 2 cases.MRI scaning lesion showed the same or slightly lower signal intensity in T1WI and high signal intensity in T2WI,the enhance performance was similar to CT.Conclusion:the CT and MRI have important value in diagnosis of hyaline-vascular Castleman's disease,diagnosis depends on the histopathology.