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Deep infiltrating endometriosis: Should rectal and vaginal opacification be systematically used in MR imaging?
F Uyttenhove1, C Langlois2, P Collinet3
1Women and children imaging department, hôpital Jeanne-de-Flandre, CHRU de Lille, rue Emile-Laine, apt 151, 59000 Lille, France.
Objectives:
To evaluate the interest of rectal and vaginal filling in vaginal and recto-sigmoid endometriosis with MR imaging. To compare the results between a senior and a junior radiologist review.
Methods:
Sixty-seven patients with clinically suspected deep infiltrating endometriosis were included in our MRI protocol consisting of repeated T2-weigthed sequences (axial and sagittal) before and after rectal and vaginal marking with ultrasonography gel. Vaginal and recto-sigmoid endometriosis lesions were analyzed before and after opacification. The inter-reader agreement between senior and junior scores was studied.
Results:
Concerning vaginal and muscularis and beyond colonic involvement, no significant difference (P=0.32) was observed and the inter-reader agreement was excellent (K=0.96 and 0.97 respectively). Concerning serosa colonic lesions, a significant difference was observed (P=0.01) and the inter-reader agreement was poor (K=0).
Conclusions:
Rectal and vaginal filling in endometriosis staging with MRI is not necessary no matter the reader experiment.
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