Inthissacroiliacjointdisorder,whyistheiliacsidemoreseverelyinvolved?
此例骶髂关节紊乱，为什么髂骨侧的病变更严重？
2.Whatinflammatoryboweldiseasesmaybeassociatedwiththisdisorder?
哪些肠道的炎性疾病与本病有关？
3.Regardingsacroiliacjointankylosis,whichpatientismorelikelytodevelopit—onewithenteropathicdisease,psoriasis,orReitersyndrome?
肠炎、银屑病、Reiter综合征中，哪一种会使强制性脊柱炎进一步发展？
4.Whatisthesecondfilmprojectioncalled?Howisitperformed?
第二幅图是什么片？怎么拍的？
Sacroiliitis
Theiliumhasthinnercartilagethanthesacrum,andalsocontainsdegenerativecleftsandperpendicularsplitsinthecartilage.
髂骨侧的软骨比骶骨侧更薄，且有退行性裂和软骨垂直裂隙。
2.UlcerativecolitisandCrohn’sdiseasearetheclassicdiseasesbutWhipple’sdisease,infectiouscolitiswithSalmonella,Shigella,andYersinia,andintestinalbypasssurgerymayalsobeassociatedwithsacroiliitis.
溃疡性结肠炎和克隆氏病是最经典的肠道炎性病变。Wipple病，沙门氏菌、志贺氏菌、耶尔森氏菌感染，以及肠道旁路手术也可能与骶髂关节炎有关。
3.Onewithenteropathicsacroiliitis.
强制性脊柱炎合并肠炎型骶髂关节炎
4.AFergusonview.APradiographofthepelviswiththetubeangulated25to30degreesinacephaladdirection.、
弗格森位。球管向头侧倾斜25~30度的骨盆前后位。
References
BattistoneMJ,ManasterBJ,RedaDJ,CleggDO:Radiographicdiagnosisofsacroiliitis—aresacroiliacviewsreallybetter?JRheumatol25:–,.
OostveenJ,PrevoR,denBoerJ,vandeLaarM:Earlydetectionofsacroiliitisonmagneticresonanceimagingandsubsequentdevelopmentofsacroiliitisonplainradiography:Aprospective,longitudinalstudy.JRheumatol26:–,.
Cross-Reference
MusculoskeletalImaging:THEREQUISITES,3rded,pp–
Comment
Theprincipalobservationwhenevaluatingsacroiliitisisthedistributionofthedisease.Typically,thesynovialportionofthesacroiliacjoint,foundintheinferioronehalftotwothirdsofthejointonfrontalradiographs,ismoreseverelyinvolvedthantheligamentousportion.Erosionsinvolvingthesynovialarticulationaffecttheiliacsidemorethanthesacralarticulation.Inankylosingspondylitis,thediseaseisgenerallybilateralandsymmetricindistribution.Sacroiliitisassociatedwithinflammatoryboweldiseaseisusuallybilateralandsymmetricindistributionandcannotbedifferentiatedfromankylosingspondylitis.PsoriaticarthropathyandReitersyndromeresultinosseouserosionsandbonysclerosisthataresimilartothoseseeninankylosingspondylitis,althoughankylosisisless北京白癜风专科医院北京白癜风治疗医院