MRIandpathologicfindingsofintracranialsolitaryfibroustumor/hemangiopericytoma
10.3969/j.issn.1002-1671.2019.04.002
- VernacularTitle:颅内孤立性纤维性肿瘤/血管外皮细胞瘤MRI及病理学特点
- Author:
Gangqiang HOU
1
;
Dehong GAO
;
Long JIN
;
Xiaojing ZHANG
;
Chunrong WANG
;
Wei XIONG
Author Information
1. 深圳市康宁医院放射科
- Keywords:
intracranialtumor;
solitaryfibroustumor/hemangiopericytoma;
magneticresonanceimaging;
pathology;
immunohistochemistry
- From:
Journal of Practical Radiology
2019;35(4):519-522
- CountryChina
- Language:Chinese
-
Abstract:
Objective Toinvestigatethecharacteristicsofclinicalpathologyand MRIofintracranialsolitaryfibroustumor/hemangiopericytoma (SFT/HPC).Methods ThisstudyanalyzedtheMRIimages,pathologicalandclinicaldataof14SFT/HPCpatientsretrospectively. AllthecasesweresubjectedtoMRIplainscanandenhancementexamination.CharacteristicsofMRIofallcaseswerereviewedtogetherwith clinicopathologicchanges.Results AllSFT/HPClesionswerelocatedintheintracranialbutextra-cerebralspace.6werelocatedabovethe tentoriumofcerebellum,and2werelocatedbelowit.Lesionsof6patientswereacrossthetentoriumofcerebellumandspreadfrom supratentorialtosubtenorialspace.Amongalllesions,4wereroundinshape,10werelobulated,and3weresmallnodulesaroundthe edge.9ofthemexhibitednecrosisandcysticstructures.11lesionsshowedhypointensityand3casesshowedisointensityonT1WI.All thelesionswereheterogeneoushyperintensetyonT2WI,and5ofthemdisplayed"yin-yang"patternonT2WI.11casesexhibitededema.Signalof vascularvoidflow wasobservedin6cases.Thesolidpartsofthetumorsshowedsignificanthomogeneousenhancementon MRI. StrongpositiveSTAT6stainingwasobservedforthenuclearoftumorcells.Conclusion ItisdifficulttodifferentiateSFT/HPCfrom meningeoma.The"yin-yang"patternonT2WIisthecharacteristicofSFT/HPC.Inaddition,nuclearpositivestainingofSTAT6isalsospecific featureofSFT/HPCcell.
