title: Acute abdomen due to endometriosis in a premenopausal woman taking tamoxifen.
abstract: Tamoxifen exhibits agonistic properties on the uterus. We describe a premenopausal woman who, while having tamoxifen due to a diagnosis of in situ ductal carcinoma, developed endometriosis requiring surgery.
authors.affiliation: Department of Obstetrics and Gynecology, Hospital Clínico Universitario, University of Valencia, Valencia, Spain.
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Abad de Velasco
authors.forename: Antonio
authors.initials: A
authors.lastname: Cano
mesh_terms: D015746:Abdominal Pain / Q000139:chemically induced / Q000175:diagnosis / Q000628:therapy; D000208:Acute Disease; D000328:Adult; D018931:Antineoplastic Agents, Hormonal / Q000009:adverse effects* / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000188:drug therapy; D018270:Carcinoma, Ductal, Breast / Q000188:drug therapy; D004715:Endometriosis / Q000139:chemically induced* / Q000175:diagnosis / Q000628:therapy; D005260:Female; D006801:Humans; D010048:Ovarian Cysts / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D017697:Premenopause; D020845:Selective Estrogen Receptor Modulators / Q000009:adverse effects* / Q000627:therapeutic use; D013629:Tamoxifen / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D018931:Antineoplastic Agents, Hormonal; D020845:Selective Estrogen Receptor Modulators; D013629:Tamoxifen