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Related Experiment Video

Updated: Oct 13, 2025

Multiplexed Fluorescent Immunohistochemical Staining of Four Endometrial Immune Cell Types in Recurrent Miscarriage
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Endometrial Abnormalities: Correlation Between Different Diagnostic Modalities.

Laura Detti1,2, Mary E Christiansen2, Irene Peregrin-Alvarez1

  • 1Department of Subspecialty Care for Women's Health, Women's Health Institute, Cleveland Clinic, Cleveland, OH, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|November 13, 2021
PubMed
Summary
This summary is machine-generated.

Transvaginal ultrasound (TVUS), saline infusion sonohysterogram (SIS), and hysteroscopy accurately detect endometrial abnormalities. Redundant endometrium (RE) is an independent condition, often benign but sometimes indicating hyperplasia, warranting further evaluation.

Keywords:
endometrial polyphistologyredundant endometriumsaline infusion sonohysterographytransvaginal ultrasound

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Area of Science:

  • Reproductive Medicine
  • Diagnostic Imaging
  • Gynecologic Pathology

Background:

  • Endometrial abnormalities are common causes of infertility.
  • Accurate diagnosis is crucial for effective treatment.
  • Redundant endometrium (RE) is a subtle abnormality requiring further investigation.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of TVUS, SIS, and hysteroscopy for endometrial abnormalities.
  • To correlate imaging findings with histological results.
  • To validate RE as an independent endometrial abnormality.

Main Methods:

  • Retrospective cohort study of 105 patients with infertility and diagnosed endometrial abnormalities.
  • Patients underwent TVUS, SIS, and hysteroscopy.
  • Endometrial abnormalities were categorized as polyps (EP), RE, or normal, and correlated with pathology.

Main Results:

  • TVUS, SIS, and hysteroscopy demonstrated high sensitivity (88.9%, 100%, 82.9%) but low specificity (56.7%, 56.1%, 58.2%) for combined pathologies.
  • Pathology revealed isolated RE in 26 cases, with associated polyps or disordered endometrium in 19.2% each.
  • Complex atypical hyperplasia was found in 3.8% of RE cases.

Conclusions:

  • TVUS, SIS, and hysteroscopy are sensitive tools for diagnosing endometrial abnormalities.
  • RE is identified as an independent abnormality, predominantly benign but with a small risk of hyperplasia.
  • Further evaluation is recommended for RE diagnosed via TVUS or SIS.