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Ultrasonic patterns of uterine fibroids
Diagnostic Gynecology and Obstetrics
|January 1, 1981
Summary
Diagnosing fibroid uterus (leiomyomata uteri) requires recognizing varied ultrasound appearances beyond the classic echo-poor fibroid. Degeneration and calcification create distinct echo patterns crucial for accurate sonographic diagnosis.
Area of Science:
- Radiology
- Gynecologic Imaging
- Ultrasound Diagnostics
Background:
- Leiomyomata uteri (fibroids) present diverse sonographic appearances.
- The classic echo-poor fibroid is not the most common presentation.
- Internal degeneration and calcification significantly alter ultrasound characteristics.
Purpose of the Study:
- To describe the varied ultrasound findings in fibroid uterus.
- To differentiate degenerative and calcified fibroid patterns from other pelvic structures.
- To emphasize the role of advanced sonography in accurate diagnosis.
Main Methods:
- Review of sonographic features of leiomyomata uteri.
- Correlation of imaging findings with pathological changes.
- Utilizing gray scale scanning, wide dynamic range, and high-resolution real-time sonography.
Main Results:
- Echo-poor fibroids are seen in less than one-third of cases.
- Degeneration leads to diffuse/focal medium-amplitude echoes with increased through transmission.
- Calcification results in irregular high-amplitude or ringlike echoes, mimicking fetal heads.
Conclusions:
- Accurate diagnosis of fibroid uterus relies on recognizing atypical ultrasound presentations.
- Advanced sonographic techniques are essential for differentiating fibroid types and complications.
- Distinguishing fibroid calcifications from fetal structures is critical in gynecologic imaging.