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Infectious colitis with hepatic abscess was diagnosed, and remained antibiotic-refractory. Fine-needle aspiration and core biopsies showed benign contents. The patient presented to our institution with symptoms and normal blood work. Laparoscopic excision demonstrated a 1.4-cm cyst composed of endometrial glands (estrogen receptor+ and progesterone receptor+) and stroma (CD10+) with smooth muscle actin (SMA+), arranged in an organoid fashion. The patient, status-post hysterectomy, had no history or symptoms of endometriosis. Conclusion. This rare case illustrates the merit of considering uterus-like mass\/endometriosis in the differential diagnosis of antibiotic-refractory hepatic cysts. Cyst heterogeneity may confound needle biopsy. We report the first instance of a hepatic uterus-like mass, with a review of related entities, postulated histogenesis, and important clinical associations.<\/jats:p>","DOI":"10.1177\/1066896914534465","type":"journal-article","created":{"date-parts":[[2014,5,14]],"date-time":"2014-05-14T20:48:11Z","timestamp":1400100491000},"page":"134-139","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Hepatic Uterus-Like Mass Misdiagnosed as Hepatic Abscess"],"prefix":"10.1177","volume":"23","author":[{"given":"Sabrina C.","family":"Sopha","sequence":"first","affiliation":[{"name":"The Johns Hopkins Hospital, Baltimore, MD, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Flavia G. N.","family":"Rosado","sequence":"additional","affiliation":[{"name":"The Mayo Clinic, Rochester, MN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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