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Transvaginal sonographic evaluation of endometrial polyps
M C Kupfer1, V L Schiller, G C Hansen
1Northridge Hospital Medical Center, CA.
Summary
Transvaginal sonography can help differentiate focal endometrial lesions. Uniformly hyperechoic masses suggest benign polyps, while heterogeneous lesions require further investigation for potential endometrial carcinoma.
Area of Science:
- Gynecologic Imaging
- Diagnostic Ultrasound
- Reproductive Endocrinology
Background:
- Focal endometrial lesions present diagnostic challenges.
- Transvaginal sonography (TVS) is a key imaging modality for evaluating the endometrium.
Purpose of the Study:
- To correlate sonographic features of focal endometrial lesions with histological findings.
- To assess the diagnostic accuracy of transvaginal sonography in characterizing endometrial masses.
Main Methods:
- Retrospective analysis of 16 focal endometrial masses identified via transvaginal sonography over 8 months.
- Correlation of sonographic appearance with surgical or hysteroscopic findings.
- Classification of lesions based on echogenicity and heterogeneity.
Main Results:
- Uniformly hyperechoic masses were consistently benign endometrial polyps.
- Heterogeneous lesions were often complicated endometrial polyps, with one case showing endometrial carcinoma.
- Small, uniformly hypoechoic lesions were identified as prolapsed submucosal leiomyomata.
Conclusions:
- A well-defined, uniformly hyperechoic endometrial mass on TVS strongly suggests a benign endometrial polyp.
- Larger, heterogeneous endometrial masses are nonspecific and necessitate further evaluation, including biopsy.
- Sonographic characteristics aid in differentiating benign from potentially malignant endometrial lesions.