MRI Imaging of obstructed cervix

                 Gartner’s duct cysts originate from mesonephric (wolffian) duct remnants that fail to reabsorb. Most occur parallel and anterolateral to the vagina and are small and asymptomatic, although occasionally a large cyst is encountered. An occasional one visualizes during hysterosalpingography if it communicates with the uterus.
                Vaginal obstruction results in hemato (metro) colpos or hydrocolpos. At times the obstruction evolves into a large pelvic soft tissue tumor, evident both clinically and with imaging. Obstructions range from imperforate hymen to a vaginal septum. With hematometra, cervical dysgenesis is also in the differential. Both US and MR are useful in detecting these abnormalities. Endorectal US is a viable alternate for suspected vaginal abnormalities if endovaginal US is not feasible. Transperineal US should detect a vaginal septum.
                  Magnetic resonance imaging of hematocolpos reveals a high signal intensity blood collection on both T1- and T2-weighted images and helps establish whether the distention extends into the fallopian tubes. Congenital urethral valves are rare in female infants, with most distal urethral obstructions being secondary to a mucous membrane. Urethral duplication is also rare.
image
This is radiology images of the pyometra secondary to an obstructed cervix. Sagittal T2-weighted MR image reveals a greatly distended uterus (arrows). Blood and debris account for the slightly hyperintense appearance.
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