• Jennifer Struble, Shannon Reid, and Mohamed A Bedaiwy.
• Department of Obstetrics and Gynecology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
• J Minim Invasive Gynecol. 2016 Feb 1; 23 (2): 164-85.

AbstractAdenomyosis is a heterogenous gynecologic condition. Patients with adenomyosis can have a range of clinical presentations. The most common presentation of adenomyosis is heavy menstrual bleeding and dysmenorrhea; however, patients can also be asymptomatic. Currently, there are no standard diagnostic imaging criteria, and choosing the optimal treatment for patients is challenging. Women with adenomyosis often have other associated gynecologic conditions such as endometriosis or leiomyomas, therefore making the diagnosis and evaluating response to treatment challenging. The objective of this review was to highlight current clinical information regarding the epidemiology, risk factors, pathogenesis, clinical manifestations, diagnosis, imaging findings, and treatment of adenomyosis. Several studies support the theory that adenomyosis results from invasion of the endometrium into the myometrium, causing alterations in the junctional zone. These changes are commonly seen on imaging studies such as transvaginal ultrasound (TVUS) and magnetic resonance imaging (MRI). The second most common theory is that adenomyosis results from embryologic-misplaced pluripotent mullerian remnants. Traditionally, adenomyosis was only diagnosed after hysterectomy; however, studies have shown that a diagnosis can be made with biopsies at hysteroscopy and laparoscopy. Noninvasive imaging can be used to help guide the differential diagnosis. The most common findings on 2-dimensional/3-dimensional TVUS and MRI are reviewed. Two-dimensional TVUS and MRI have a respectable sensitivity and specificity; however, recent studies indicate that 3-dimensional TVUS is superior to 2-dimensional TVUS for the diagnosis of adenomyosis and may allow for the diagnosis of early-stage disease. Management options for adenomyosis, both medical and surgical, are reviewed. Currently, the only definitive management option for patients is hysterectomy.Copyright © 2016. Published by Elsevier Inc.

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