膀胱假肉瘤性肌纤维细胞增生（附3例报告及文献复习）

膀胱假肉瘤性肌纤维细胞增生〔附 3 例报告及文献复习〕胡假设凡;李顶夫【摘 要】Objective:To investigate the clinical manifestations,patholo

例报告及文献复习 附 膀胱假肉瘤性肌纤维细胞增生〔3〕 胡假设凡;李顶夫 【摘要】 Objective:Toinvestigatetheclinicalmanifestations,pathological andimagingfeaturesofpseudosarcoma-tousmyofibroblasticproliferation (PMP)ofuninarybladder.Methods:Clinicalmanifestations,pathologicaland imagingfea-turesofthreepatientswithpathologicallyprovedPMPwere retrospectivelyanalyzedandrelatedliteratureswerereviewed.Results:The lesionsofallthreecaseswerelocatedintheanteriorwallortopwallofthe bladder,andpresentedasheteroge-neoussolidmassprotrudingtoward lumen,withlocalizedthickeningbladderwallandblurredfatspaces outsidethebladder,obviouslyheterogeneousenhancementanddelayed enhancementOnCTandMRI.Threepatientswerefollowedupfor2~4 yearsafterpartialcystectomyandnorecurrencewas found.Conclusion:Pseudosarcomatousmyofibroblasticproliferationisa raretypeofbenignlesionsarisedfrombladderandoftenmisdiagnosedas amalignantneoplasm,clinically,CTandMRIareofgreatvalueinthe diagnosisanddifferentialdiagnosisofPMP.%目的：探讨膀胱假肉瘤性肌纤维 母细胞增生的临床表现、病理、影像学特点。方法：回忆性分析 例经手术及病 3 和病理学表现，并复 理证明的膀胱假肉瘤性肌纤维母细胞增生的临床、CT、MRI 习相关文献。结果：3例膀胱假肉瘤性肌纤维母细胞增生主体位于膀胱前壁或顶壁， 表现为不均匀实性软组织肿块，突向膀胱腔内，局部膀胱壁增厚，膀胱外 及 CTMRI 例患者均行膀胱局 周脂肪构造浑浊，增加扫描呈不均匀较明显强化，有延迟强化。3 切除，术后随访 年均未觉察复发。结论：膀胱假肉瘤性肌纤维母细胞 部 2～4