MRI facilitated a diagnosis of endometriosis of the rectum |
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Authors: | Susumu Eguchi Koh Komuta Masashi Haraguchi Junichiro Furui Takashi Kanematsu |
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Institution: | (1) Second Department of Surgery, Nagasaki University School of Medicine, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan, JP |
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Abstract: | A 51-year-old pre-menopausal Japanese woman suffering from chronic lower abdominal pain was referred to our hospital. A barium
enema showed a stenotic lesion in the recto-sigmoid region, and a pelvic computed axial tomography (CAT) scan revealed a thickened
rectal wall. A colonoscopic examination showed the rectum to be constrictive, but the mucosa appeared to be intact. Magnetic
resonance imaging (MRI) with T1 high-intensity revealed a cystic lesion in the thickened wall of the rectum, which led us
to suspect possible bowel endometriosis. Part of the biopsy specimen showed endometrial epithelium within the interstitial
layer of histologically normal mucosa; finally, endometriosis of the rectum was diagnosed. The patient became asymptomatic
after the initiation of hormonal treatment and later experienced spontaneous menopause. MRI was effective for diagnosis and
the patient did not undergo unnecessary laparotomy. Although bowel endometriosis is generally diagnosed by means of resected
specimens, in our patient, diagnosis was made using MRI and biopsy, and hormonal therapy had an effective role as a bridge
to menopause.
Received: July 12, 1999 / Accepted: January 28, 2000 |
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Keywords: | : endometriosis rectum magnetic resonance imaging (MRI) |
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