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- Kosuke Tanaka, Akiko Sasaki, Hideto Egashira, Shinichi Teshima, Karen Kimura, Takashi Nishino, Tomohiko Tazawa, Junichi Tasaki, Chikamasa Ichita, Sakue Masuda, Kazuya Koizumi, and Makoto Kako.
- Gastroenterology Medicine Center, Shonan Kamakura General Hospital, Japan.
- Intern. Med. 2021 Apr 1; 60 (7): 9991004999-1004.
AbstractWe herein report the definitive diagnosis of rectovaginal endometriosis in two cases. Case 1 involved a 46-year-old woman with abdominal pain and hematochezia. The diagnosis after the first and second examinations using lower gastrointestinal (GI) endoscopy was unclear. Differential diagnoses included mucosa-associated lymphoid tissue and colorectal cancer. The third lower GI endoscopy with a targeted biopsy, performed during menstruation, confirmed rectovaginal endometriosis. Case 2 involved a 38-year-old woman with hematochezia. Lower GI endoscopy during menstruation revealed rectovaginal endometriosis. When rectovaginal or bowel endometriosis is suspected, lower GI endoscopy and a targeted biopsy during menstruation can prevent unnecessary surgery.
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