{"paper_id":"09cab00c-98bb-4f68-a47e-1ad853ef96d5","body_text":"ECR 2011 / C-2319\nBeware of the uterine contractions: a mimicker of adenomyosis and of more weird things.\nCongress:\nECR 2011\nPoster Number:\nC-2319\nType:\nEducational Exhibit\nKeywords:\nAbdomen, Genital / Reproductive system female, Anatomy, MR\nAuthors:\nG. T. Bitti, G. Demurtas, S. SECCI, G. M. ARGIOLAS; cagliari/IT\nDOI:\n10.1594/ecr2011/C-2319\nLearning objectives\nThe aim of this work is to show the various appearances of uterine contraction on MR imaging and show how this can be distinguished from fibroid,\nadenomyosis and uterine malignancy.\nBackground\nMR is widely used for the evaluation of uterine and adnexal diseases.\nIt is well known that sustained uterine contractions are the cause for potential pitfalls on T2 sequences (1,2).\nWe retrospectively analized the MR examinations performed in our institution for gynecological diseases in the last two years and analized the different appearance of myometrial contraction on both T2 and postcontrast images.\nMyometrial contraction has been described as a focal area of transitory thickening of uterine wall with reduced signal intensity on FSET2 sequences; it...\nImaging findings OR Procedure details\nMR studies were performed on a 1,5 MR unit with small FOV (20 cm),\n3-5 mm FSET2 acquired on sagittal,\naxial and coronal planes,\n5 mm axial FSE T1 with and without fat saturation and dynamicsagittal post-contrast 3D SPGR T1.\nImaging findings are dysplayed on images.\nConclusion\nThe patterns of uterine contraction are variable for signal intensity and site of involvement,\nwhich can vary from inner third (junctional zone) to middle third and full thickness.\nBeing aware of these variations is important to avoid pitfalls.\nThe best way to confirm that an abnormality in the uterus is due to contraction is to proof its transitory nature in different sequences.\nPersonal Information\nThank you for your interest in this poster.\nIf you need more informations please e-mail [email protected]\nReferences\n§ Masui T,\nKatayama M,\nKobayashi S,\nNakayama S,\nNozaki A,\nKabasawa H,\nIto T,\nSakahara H.\nRadiology.\n2001 Oct;221(1):75-85.PMID: 11568324 Changes in myometrial and junctional zone thickness and signal intensity: demonstration with kinematic T2-weighted MR imaging.\n§Masui T,\nKatayama M,\nKobayashi S,\nShimizu S,\nNozaki A,\nSakahara H.\nRadiology.\n2003 May;227(2):345-52.\nPseudolesions related to uterine contraction: characterization with multiphase-multisection T2-weighted MR imaging.\n§ Togashi K,\nKawakami S,\nKimura I,\nAsato R,\nOkumura R,\nFukuoka M,\nMori T,\nJ Magn Reson Imaging.\n1993 Nov-Dec;3(6):889-93 Uterine...","source_license":"CC0","license_restricted":false}