{"paper_id":"14d5d843-43bc-4e51-83e6-816e0e64de0f","body_text":"ECR 2011 / C-2243\nComparison of 3D and 2D FSE T2-weighted MR imaging in the diagnosis of pelvic endometriosis: preliminary results\nCongress:\nECR 2011\nPoster Number:\nC-2243\nType:\nScientific Exhibit\nKeywords:\nGenital / Reproductive system female, MR, Computer Applications-3D, Technical aspects, Inflammation\nAuthors:\nM. Bazot1, A. stivalet2, I. Thomassin-Naggara1, E. Darai1, C. Coudray1, E. Poncelet3; 1Paris/FR, 2puteaux/FR, 3Lille/FR\nDOI:\n10.1594/ecr2011/C-2243\nPurpose\nPelvic endometriosis is a frequent gynecologic disorder affecting 10-15% of women in reproductive years.\nMRI has been demonstrated to be the best imaging technique to assess the various locations of deep infiltrating endometriosis (DIE).\nConventional MRI protocol for the diagnosis of pelvic endometriosis includes multiplanar 2D Fast Spin Echo (FSE) T2-weighted MR images in addition to T1 weighted MR images with and without fat-suppressed technique (1).\nWith this protocol,\nvarious studies have demonstrated that MRI is relevant to predict the extension of pelvic endometriosis with...\nMethods and Materials\nBetween February 2010 and May 2010,\n110 consecutive patients from two different radiological centers (median age: 34 years; range 24-46 years),\nreferred for pelvic MR imaging for a clinical suspicion of endometriosis,\nwere prospectively enrolled (IRB and written informed consent obtained).\nMRI technique MR images were acquired on 1.5 Tesla system.\nIn both radiological centers,\na conventional protocol including sagittal,\naxial,\ncoronal oblique FSE T2-weighted images and 3D gradient echo T1 images ± fat suppression was used.\nThree-dimensional imaging using a coronal single slab 3D...\nResults\nSurgical and pathologic findings Out of 110 patients,\n23 underwent surgery.\nAll patients except 3 (87%) had histologically proven pelvic endometriosis.\nOvarian endometriosis and DIE was present in 11 (47.8%) and 18 (78.2%) out of 23 patients,\nrespectively.\nDIE of uterosacral ligaments,\nvagina,\nrectosigmoid colon,\nand bladder was detected in 17 (73.9%),\n5 (21.7%),\n13 (56.5%) and 1(4.3%) out of 23 patients,\nrespectively.\nComplete cul-de-sac obliteration was noted in 10 (30.3%) out of 23 patients.\nOverall imaging quality evaluation Overall imaging quality evaluation was performed...\nConclusion\nThe present study demonstrates that despite a lower overall imaging quality,\n3D CUBE offers similar accuracy to diagnoseDIE compared to 2D FSE T2-weighted MRI.\nMRI evaluation of pelvic endometriosis is routinely performed with multiplanar sagittal,\naxial and coronal 2D FSE T2-weighted sequences.\nThese sequences are significantly longer to acquire,\ncompared to 3D CUBE,\nand on average twice as long.\nThis gain in acquisition time represents a major advantage of 3D CUBE.\nOur study is the first focusing on the contribution of 3D T2-weighted MR imaging...\nReferences\n1.\nBazot M,\nGasner A,\nBallester M,\nDarai E.\nValue of thin-section oblique axial T2-weighted images to assess uterosacral ligament endometriosis.\nHuman Reproduction 2010;(in press).\n2. Bazot M,\nDarai E,\nHourani R,\net al.\nDeep pelvic endometriosis: MR imaging for diagnosis and prediction of extension of disease.\nRadiology 2004;232(2):379-389.\n3. Abrao MS,\nGoncalves MO,\nDias JA,\nJr.,\nPodgaec S,\nChamie LP,\nBlasbalg R.\nComparison between clinical examination,\ntransvaginal sonography and magnetic resonance imaging for the diagnosis of deep endometriosis.\nHum Reprod 2007;22(12):3092-3097.\n4. Bazot M,...\nPersonal Information\nMarc Bazot,\nMD1,\nAude Stivalet,\nMD1,\nThomassin-Naggara,\nMD1,\nPhD1,Emile Daraï,\nMD2,\nPhD2 Cyril Coudray3,\nand Edouard Poncelet,\nMD4\nDepartments of Radiology (1) and Obstetrics and Gynecology (2),\nTenon hospital,\n4 rue de la Chine,\n75020,\nParis,\nAssistance Publique – Hôpitaux de Paris (AP-HP) General Electric Healthcare (3),\n11,\navenue Morane Saulnier,\n78140,\nVelizy Department of Radiology (4),\nJeanne de Flandre hospital,\nLille\nCorrespondence: Professor Marc Bazot,\nService de Radiologie,\nHôpital Tenon,\nAPHP,\n4 rue de la Chine,\n75020,\nParis,\nFrance Tel: +33 1 56 0170...","source_license":"CC0","license_restricted":false}