Endometrial Cells in Menstrual Blood in the Abdominal Cavity

概要

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The developmental and spreading mechanisms of endometriosis externa are a theme of particular interest, and many theories have been proposed in other countries. Although Sampson's endometrial regurgitation theory is predominant, yet there are few reports in detail on the endometrial cells in ascites. From such a point of view, the properties of ascites during and after menstruation were cytologically examined. As a result, intraperitoneal regurgitation of menstrual blood proved to occur in 78% of cases during menstruation, and endometrial cells were detected in 33% of the cases. These ectopic cells were clustered, less degenerated, and cytologically were identical with the endometrium in the secretory phase. The endometrial cells in the peritoneal cavity appeared to survive for relatively long periods, because clusters of endometrial cells were found in a case 22 days afte menstruation, although the cells were degenerated.From the findings obtained Sampson's theory appeared to contain some truth.
近畿産科婦人科学会の論文