Endoscopic ultrasound-guided fine needle aspiration for the diagnosis of bowel endometriosis: a case report
Takao Miwa1, Takuji Iwashita2, Masashi Aiba3
1Department of Gastroenterology, Chuno Kosei Hospital, Gifu, Japan. takao.miwa0505@gmail.com.
Abstract:
Bowel endometriosis is a condition caused by endometrial glands and stroma infiltrating the bowel wall and reaching the subserous fat tissue or the adjacent subserous plexus. A 42-year-old woman with changes in stool habits, nausea, and stomach aches experienced complete obstruction in the rectum. Endoscopic ultrasound demonstrated a low echoic lesion outside the rectal mucosa and endoscopic ultrasound-guided fine needle aspiration confirmed the diagnosis of bowel endometriosis. The clinical characteristics of bowel endometriosis are unspecific and this condition is sometimes misdiagnosed as a malignant tumor, irritable bowel syndrome, or any other colorectal disorder. Our aim is to show that endoscopic ultrasound-guided fine needle aspiration might be helpful for bowel endometriosis diagnosis and exclusion of other malignant disease.
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