地方性氟骨癥脊柱MR表現(xiàn)

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1、萬(wàn)方數(shù)據(jù)地方性氟骨癥脊柱MR表現(xiàn)李碩豐1，劉寶剛1，康立清1，孫連營(yíng)1，冉凡德1，張力1，董志明2(1河北省滄州市中心醫(yī)院影像中心，河北滄州061001}2河北省滄州市人民醫(yī)院放射科)摘要：目的探討地方性氟骨癥脊柱病變MR表現(xiàn)。方法對(duì)58例地方性氟骨癥患者的74個(gè)脊柱段行MRI和X線平片檢查，另選擇80例無(wú)地方性氟骨癥且年齡相匹配的病例作為對(duì)照組，并對(duì)MRI和X線平片表現(xiàn)進(jìn)行分析。結(jié)果氟骨癥組所有椎骨信號(hào)強(qiáng)度均有不同程度減低，T。WI信號(hào)強(qiáng)度平均值明顯低于對(duì)照組(Po．05)。74例(脊柱

2、段)中，MRI顯示韌帶增厚66例(89．20A)；椎管狹窄68例(91．9％)，其中因后縱韌帶和(或)黃韌帶增厚所致56例，因后縱韌帶和(或)黃韌帶增厚伴椎間盤突出所致10例，因單純椎問(wèn)盤后突所致2例；脊髓受壓54例(73％)；脊髓內(nèi)有長(zhǎng)或等T-和長(zhǎng)Tz異常信號(hào)19例(25．7％)。結(jié)論MRI顯示的地方性氟骨癥椎骨信號(hào)減低及韌帶增厚骨化，對(duì)其診斷有較大價(jià)值。關(guān)鍵詞：氟骨癥；脊柱，磁共振成像doi：10．3969／j．issn．1002—1671．2009．09．017中圖分類號(hào)：R681．5；R445．2文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002—1671(2009)09--

3、1290--04MRIAppearancesofEndemicSkeletalFluorosisofSpineLIShuo—fenglLIUBao--ganglKANGLi--qing，SUNLian--ying。RANFan--de。ZHANGLi。DONGZhi—ming(ImagingCenter，CangzhouCentralHospital，Cangzhou，HebeiProvince061001。China)Abstract：objectiveToexploreMRIappearancesofendemicskeletalfluorosisinverte

4、bralcolumn．MethodsMRIandX—rayexaminationswereperformedon74vertebralsegmentsin58patientswithskeletalfluorosisandanother80age——matchedcaseswithoutskeletalfluorosiswereselectedascontrolgroup．MRIandX—rayappearanceswereanalyzed．ResultsThesignalintensitywasdegradedindifferentlevelforalltheve

5、rtebralsegmentsinpatientswithskeletalfluorosis．ThemeanvalueofT1WIsignalin．tensitywassignificantlylowerinskeletalfluorosispatientsthanthatinthecontrolgroup(P

6、ainedindrinkingwateraredifferent(P>0．05)．MRIshowedthatina11the74vertebralsegmentstheligamentpachynsiswasfoundin66(89．2％)segmentsandthespinalstenosiswasfoundin68(91．9％)segments．Forthelattersituationl56stenoticspinalsegmentswereas．cribedtOthepachynsisofposteriorlongitudinalligamentand(or

7、)arcuateligaments。10stenoticspinalsegmentswereascribedtObothligamentpachynsisandintervertebraldiskhernia-andonly2stenoticspinalsegmentswerepurelybecauseofintervertebraldiskhernia．Spinalcordcompressedwasdetectedin54(73％)vertebralsegments-theabnormallongorequalTlsignalandlongT2sig—nali