Allen-Masters syndrome is caused by trauma, not by endometriosis.
Batt
R E
RE
D000291:Adnexal Diseases / Q000150:complications; D001956:Broad Ligament / Q000293:injuries; D002584:Cervix Uteri / Q000293:injuries*; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000150:complications*; D005260:Female; D006801:Humans; D007431:Intraoperative Complications; D008022:Ligaments / Q000293:injuries; D010532:Peritoneal Diseases / Q000209:etiology*; D013577:Syndrome; D002577:Uterine Cervical Diseases / Q000150:complications*