Four subtypes of adenomyosis assessed by magnetic resonance imaging and their specification

Yohei Kishi, Kishi Y, Suginami H, H. Suginami, Hiroshi Suginami, Rihoko Kuramori, Kuramori R, Yabuta M, Maki Yabuta, Rumiko Suginami, Suginami R, Fumiaki Taniguchi, Taniguchi F
American journal of obstetrics and gynecology · 2012 · vol. 207(2) , pp. 114.e1–114.e7 · doi:10.1016/j.ajog.2012.06.027 · PMID:22840719 · W2067687279
article OA: closed CC0 ⤵ 223 in-corpus citations
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This study identified four distinct subtypes of adenomyosis based on magnetic resonance imaging characteristics, providing specific classifications for each.

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Abstract

ObjectiveThe aim of the present study was to differentiate and specify the subtypes of adenomyosis.Study designSurgically treated adenomyosis (n = 152) was subcategorized retrospectively into 4 subtypes on the basis of magnetic resonance imaging geography. Subtype I (n = 59) consisted of adenomyosis that occurs in the uterine inner layer without affecting the outer structures. Subtype II (n = 51) consisted of adenomyosis that occurs in the uterine outer layer without affecting the inner structures. Subtype III (n = 22) consisted of adenomyosis that occurs solitarily without relationship to structural components. Adenomyosis that did not satisfy these criteria composed subtype IV (n = 20). Stepwise logistic regression analysis was used for specification of the subtypes.ResultsSubtypes I-III were suggested as a product of direct endometrial invasion, endometriotic invasion from the outside, and de novo metaplasia, respectively. Subtype IV was a heterogeneous mixture of far advanced disease.ConclusionAdenomyosis appears to consist of 3 distinct subtypes of different causes and an additional subtype of indeterminate cause.

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Condition tags

endometriosisadenomyosis

MeSH descriptors

Endometriosis Endometriosis Magnetic Resonance Imaging Ovarian Diseases Ovarian Diseases Uterine Diseases Uterine Diseases Adult Endometriosis Endometriosis Female Humans Logistic Models Ovarian Diseases Ovarian Diseases Retrospective Studies Uterine Diseases Uterine Diseases

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