幕上毛细胞型星形细胞瘤影像学表现

幕上毛细胞型星形细胞瘤影像学表现 638 ?u16??4?) 2010??12?J ?f?a?z???i?????? JOURNALOFTIANJINMEDICALUNIVERSITY V01?L16?LNo?L4 Dec?L20lO ???U?????????)???????m?????????? ?]???v???N?]?????N?]???N???6 (?f?a?z???i???z?z???k?1???N?f?a300052) yT????]?????e?z?????U?????????)???????m(PA)??????????y3?????e?????i?2??11???????t???2?????????U?????? ???)???????mCTy6MRI????y3?????e11????????????y3?T??8???N???I??3??y3lO?????)???p???,???Nl???????i?I?? ?8???q????y3?u???p?????i????4???N???i???2?????????A?????b?V?N???i???2???F???F???v?N?????????????N?????? ?b?V?c???i????6???N???A?????b?V?c???????i????1???N?????????????X?R?b?N?????????????b?Vy311???p?????m?? ?-??2??y3???b????y3?????e???UPA???????6???b?V???F?O???????iy3?m???-?????V????y3???????T??y6?i?I?p???b ?e???N?????????J?-?????e?????????t????????????????y3 [???r??]?????????)???????m?c???U?c?????t?T?? [?p???2????]R445[???r?0???6]A[?????V??]1006]D8147(2010)04]D0638]D05 Imagingfindingofsupratentorialpilocyticastrocytomas ZHANGNing-nan-nan?NZHANGYun-ting?NZHANGJing?NLIWei (DepartmentofRadiologyy3GeneralHospital?NTianjinMedicalUniversity?NTianjin30 0052?NChina) ABSTRACTObjective?eTosummarizeCTandMRIcharacteristicfeaturesofsupratentorialpilocytic astrocytomas(PA)?LMethods?eCTandMRIappearanceof8patientswithhistologicaldiagnosed supratentorial PAwereretrospectivelyreviewed?LResults?eAllthecaseshadsinglelesion?LOnewaschild?N onewasadolescent?Lotherswereadults?LMostofsupratentorialPAwerelocatedinthemiddlelineofbrain exceptoneinsubcortexoffrontallobe?L4tumoursshowedmixedcystic-solidpattern?Nthesolidpartshowed massivepattern withintenselyenhancement?Nthecysticwallappearedbullulelikewithnoenhancement?L 3tumoursshowedsolidmasswithheterogenousenhancement?LOnly1tumoursshowedcystcomponentwith noenhancementbothonthecystwallandcapsularspace?LTheareaofperitumoredemawasmildin 2cases?LConclusion?eTheappearanceandenhancementof supratentorial PAhavesomecharacteristics?LIt hasmildperitumoredema?LSupratentorialPAmostlylocatsinthemiddlelineofbraininadults?L Preoperativediagnosiscanbemadeinmostofcasescombinedwithvarietyimagingtechnologyandclinical information?L KEYWORDSPilocyticastrocytomas?cSupratentorial?cMagneticresonance imaging ?????????)???????m(pilocyticastrocytoma?NPA) ?b?K???????I???????h?????m?N???????i?p?????? ???????m??1?L5?4111?N2007??WHO?p???????????? ?m?2??yT2yI?2???S?bI???)?????????????my3?Z?????? ???4??y6?)???E???N???O???i?)?????????N?t?L5?? ???4?????]???v??(1983??)?N???N?????n???N?D???I?e?p???????? ???????????c?e?????4?e?]?????NE-mail?ecjr?Lzhangyunting@vip?L163?L ?)????????90?4my3PA?????L?????N?????????????? ???b?i?????????????????N???UPA?I???????????N ???????????N?e?????b???????????????U?????m?N ????????????y3?u???l??1l???????t???2???????? ?UPA?N?2???????????????N???????u?????t?????? ???????N?b?-???j????????????????????????y3 1?,???L?? 1?L1???u?,???l???I??1997??1?J??2008??1 4?)?]???v???N???L???U?????????????????m??????????639 ?Jll???????t???2?????????UPA????y3?v5???N?? 6???c????4??7l???N????27??y36???-??y6?-???-?? ??y6???T?N2???????????z??????y6?????Z?8?Nl???? ???????N2???O????????y3?-?????R10d??1??y3 1?L2????????11??????MRI?????????b????y3 MRI?????4????????Ty3WIy6??????T2WI?????? 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?????I?O???m?????????N?t?p?????????-???gy3?u?? ???O2???????O?????-???N?8???L?k?F?????m?????N ?g?J?U???-??????y3 ???????N?????????t???????e?????n?????m?? ?????py3?????t?????T??(PWI)?e??????rCBV???? ?V???]???m?9???)?T?N?L?4?t?b?s???m???i?????? ?r???]????y3?u??1???????brCBV?????????h?I ?????A???N?_?L?k?????e?????r????yT15]Y161???????s?) ?????????my3???r?????NPA?????t???Z(MRS)?e?? ???bCho?FNAAy6Cho?FCr?????N?_???????s?)???????m ???N???]???m???????????????cLip?????????NLac?? ???cPA?p?????I???NLac?????????????????[?B?? ?V?????s?)???????m?p???1???f?n?????3?i??y3?e ???a???]???T??(DTI)?????????2?1?I?3?i?w(FA) ?????????NPA??FA?w?????n???????m?O?k???i?? ??f18Jy3 3?L4???s???? 3?L4?L1?????i?????????iPA?????s?????e???i ?????m???)???????m?e?e?????i?I???8???q?????N?? ???????e??y3?????????b?i???-???????N?????????L ?k?b?V?N?????b?V?R???A??y3???j???O?L???UPA?? ?w?????????????N?_?????????????b???qy3 ?????*?????J?i?????*?????????n???????m?e?? ?????????n?my6???????my6?????????A???i?????U?? ???m(DNET)???????N???O?i?I???8?g?O?????????? ???i?????????????????N?L???UPA???????????? ?w?N???s????y3 ???U???????m(???2???i??)?e???????????N???i ???2?e?????????V?N?????????p???????b?V?N?????? ?L???UPA???sy3 ???????m?e?????????i?????N???I???n?????? ?U???????N?????I???n?????O???n?B???N?????O?? ???b?V?N???F?L???????iPA???sy3?I???)?????N?? ?O?i?????????N?_???????????O?????????N?????? ???????????b?V???-???N?N???????????????O???? ???s????y3 3?L4?L2???iPA?????s?????????m?e?e?????p???? ?I?n???N???????????I?????q?e?NCT?U?b???V?A?? ?????NMRI?UT?eWI?e?b?A???????N???n?i?b?V?V?? ???b?Vy3?L?u???????p???)???Y?I?????????????b ?s?N?_?????m???u???k?????b???)?N??I?-???????L ?A??y3 ?????m?e???????p?6?????N?h?e???N?e?????????n?? ???1?N???b?L???A?????????V?A???o???????b?V?N?? ?????????N?m???-???L?ky3???-?????y???????????N ???t?6?????m??????y3 ???U???????m(???????n??)?e???????????N???9 ?????V?e???N?m???-???L?k?N?E?L???UPA???sy3 ???U?9???N???UPA?????????iy6???i?V?????? ?iy3?u???????L?L?????h??PA?????A?N?N???O???? ???iy3???????????J?????????N???J?2???????????? ??y6???????6y6?b?V?????????????-???????N?N???? ???z???n?e?????????t?N??MRSy6D1]oI??PWI???N?? ???????e???s???m?????N??????????????y3 ???8???r?e [1]PolednakAP?NFlanneryJT?LOthercentralnervous system andeye cancer[J]?LCancer?N1995?N75(1suppl)?e330 [2]?]?????LWHO?p?????????????m?2?????????????D?????0?? ?F??yTJyI?L???q?z???k?1???X???N2008?N31(3)?e156 [3]BurgerPC?NScheithauerBW?NPaulusW?Neta1?LPilocytieastrocytoma yTM]?F?FKleihuesP?NCaveneeW?LPathologyandgenetiesofturnoutsof thenervous system?LLyon?NFrance?eIARC?N2000?e45-51 [4]???U?N?]?L?N???????N???L?i?I???8???????i?)???????mt???y?L ?p???z?????????t?N2006?N22(3)?e340 [5]BurkhardC?NDiPatrePLSchlerD?Neta1?LApopulation-basedstudy oftheincidenceandsurvivalratesin patients withpolocyticastro- cytoma[J]?LJNeurosurg,2003?N98(6)?e1170 [6]ForsythPA?NShawEG?NScheithauerBW?Neta1?LSupratentorialpilocyt- icastrocytomas?LAclincopathologic?Nprognosticandfolweytometric studyof5lpatients[J]?LCancer,1993?N72(4)?e1335 [7]?????4?L???????m???2??IMI?L?????z???????????k?N2005?e236]D 237 [8]OsbornAG?LDiagnosticimaging?LBrain[M]?LLibraryofCongressCata- loging?N2004?e1-6?e30 [9]StllerC?NVilzB?NMajoresM?Neta1?LFrequentrecurrenceandpm_ gressionin pilocytieastrocytoma inadultsL???LCancer,2007?N86(5)?e 2799 [10]TakeuehiH?NKubotaT?NSatoK?NetaI?LUltrastruetureofcapillaryell- dotheliumin pilocyticastrocytomas???LBrainTumorPathol?N2004?N 21(1)?e23 yL11]???O???N???????N???????L?????????)???????m???-???????2?? ?D??????yTJyI?L?p?????2???X???N2007?L36(12)?e846 [12]???u???N???h?b?N???????N???L???????i?)???????m??CTy6MR?? ??yTJyI?L?-???k?1???X???N2007?N26(6)?e539 [13]HayostekCJ?NShawEG?NScheithauerB?Neta1?LAstrocytomasofthe cerebellum?LAcomparativeelinicopathologiestudyof pilocyticand diffuseastrocytomas[J]?LCancer?N1993?N72(3)?e856 [14]Beni]DAdaniL]oGomoriM?NSpektorS?Neta1?LCystwallenhancement inpilocyticastrocytoma?eneoplasticorreactive phenomenonS]?LPe?? 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