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Endometriosis interna; Adenomyoma
Adenomyosis is uterine thickening that occurs when endometrial tissue, which normally lines the uterus, moves into the outer muscular walls of the uterus.
The cause is unknown. Sometimes adenomyosis may cause a mass or growth within the uterus, which is called an adenomyoma.
The disease usually occurs in women older than 30 who have had children. It is more likely in women with previous cesarean section or other uterine surgery.
Katz VL. Benign gynecologic lesions: vulva, vagina, cervix, uterus, oviduct, ovary. In: Katz VL, Lentz GM, Lobo RA, Gershenson DM, eds. Comprehensive Gynecology. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 18.
Meredith SM, Sanchez-Ramos L, Kaunitz AM. Diagnostic accuracy of transvaginal sonography for the diagnosis of adenomyosis: systematic review and metaanalysis. Am J Obstet Gynecol. 2009;201:107.e1-6.
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