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Teaching Point Malignant involvement of the vagina occurs more commonly from metastatic spread, and except \ for isolated reports of metastases from extragenital cancers \(2\), the most common cause of metastatic disease is direct local invasion from the female urogenital tract.
)/Type/Annot/Popup 4 0 R/AP<>>> endobj 4 0 obj <> endobj 5 0 obj <Teaching Point MR imaging is crucial in demonstrating the location of the tumor, parametrial extension, pel\ vic sidewall involvement, and spread to the bladder or urethra, rectum, and lymph nodes. Furthermore, MR imaging can be of value in depicting pelvic anatomy for surgical and radiation therapy planning.
)/Type/Annot/Popup 6 0 R/AP<>>> endobj 6 0 obj <> endobj 7 0 obj <Teaching Point These sequences are supplemented with high-resolution oblique axial \(ie, perpendicular to t\ he long axis of the vagina\) T2-weighted fast spin-echo imaging \(11\). This sequence allows detailed assessment of the vaginal tumor and its relation to the paravaginal tissues and thus accurately demonstrates the extent of disease. Vaginal tumors are al\ most always best seen with this sequence.
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