Association between adenomyosis subtypes and concurrent endometrial lesions: a propensity score-matched retrospective study - Report - MDSpire

Association between adenomyosis subtypes and concurrent endometrial lesions: a propensity score-matched retrospective study

  • By

  • Xiaoxi Niu

  • Yiyi Wang

  • Yijie Zhai

  • Yunyan Teng

  • Zhaogang Dong

  • Lijie Wang

  • May 29, 2026

  • 0 min

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Linking Subtypes of Adenomyosis to Coexisting Endometrial Lesions

Overview

This study evaluates the association between diffuse adenomyosis and the risk of coexisting endometrial lesions.

Background

Adenomyosis is a prevalent uterine disorder affecting many reproductive-age women, characterized by the presence of endometrial tissue within the myometrium.

Data Highlights

GroupIncidence of Endometrial LesionsP-value
Di-ADS49.5%<0.001
Fo-ADS35.6%

Key Findings

  • Diffuse adenomyosis is associated with a significantly higher incidence of endometrial lesions (49.5%) compared to focal adenomyosis (35.6%).
  • After propensity score matching, diffuse adenomyosis remained a significant risk factor for concurrent endometrial lesions (adjusted odds ratio [aOR] = 2.05).
  • Subgroup analysis indicated a potentially stronger association in women aged ≤45 years (P < 0.001).
  • Prior to matching, patients with diffuse adenomyosis had a higher BMI, greater parity, and more severe pain.
  • Diffuse and focal adenomyosis represent distinct clinical phenotypes with different risk profiles for endometrial lesions.

Clinical Implications

Healthcare providers should consider the subtype of adenomyosis when assessing the risk of endometrial lesions in patients. Enhanced surveillance for endometrial pathology is recommended, particularly for women with diffuse adenomyosis.

Conclusion

The study evaluates the association of adenomyosis subtypes with endometrial lesions.

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  13. Global prevalence of adenomyosis and endometriosis: a systematic review and meta-analysis | Reproductive Biology and Endocrinology | Springer Nature Link
  14. Adenomyosis is associated with proliferative endometrial disorders - PubMed
  15. Adenomyosis and endometrial cancer: determining its role as a biological contributor or incidental coexistence | BMC Cancer | Springer Nature Link
  16. Whether surgical procedure can improve the prognosis of endometrial cancer arising in adenomyosis (EC-AIA)? A systematic review and meta-analysis - PubMed

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