Evaluation of ovarian stiffness and its biological mechanism using shear wave elastography in polycystic ovary syndrome
2025

Evaluating Ovarian Stiffness in Polycystic Ovary Syndrome

Sample size: 115 publication 10 minutes Evidence: high

Author Information

Author(s): He Yifang, Deng Shuangping, Wang Yanli, Wang Xiali, Huang Qingqing, Cheng Jing, Wang Dandan, Lyu Guorong

Primary Institution: The Second Affiliated Hospital of Fujian Medical University

Hypothesis

This study aimed to evaluate ovarian stiffness in patients with PCOS using transvaginal shear wave elastography and investigate the biological mechanisms underlying increased ovarian stiffness.

Conclusion

Shear wave elastography is a valuable technique for diagnosing PCOS by detecting increased ovarian stiffness, which may be associated with alterations in the expression of basement membranes, thereby mediating ovarian fibrosis.

Supporting Evidence

  • Patients with PCOS showed an increased number of follicles and ovarian volume compared to controls.
  • SWE_mean was positively correlated with AMH levels.
  • Multivariate regression analysis identified the number of follicles, ovarian volume, and SWE_mean as independent risk factors for PCOS.
  • Histological analysis in a rat model showed significant fibrosis associated with increased ovarian stiffness.

Takeaway

Doctors used a special ultrasound to see how stiff the ovaries are in women with a condition called PCOS, and they found that stiffer ovaries might be linked to changes in certain genes.

Methodology

Patients with PCOS and healthy controls underwent transvaginal ultrasound and shear wave elastography to measure ovarian stiffness, and a rat model of PCOS was used for further biological investigation.

Potential Biases

Potential biases may arise from the subjective nature of ultrasound assessments and the selection criteria for participants.

Limitations

The study's sample size was limited, and further multicenter studies are needed to validate the findings.

Participant Demographics

Women diagnosed with PCOS and age-matched healthy controls.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/s41598-024-84338-8

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