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Sonographic features of breast hamartomas
D D Adler1, D O Jeffries, M A Helvie
1Department of Radiology, University of Michigan Hospitals, Ann Arbor 48109-0326.
Summary
Breast hamartomas present varied sonographic appearances, often making diagnosis challenging. Ultrasound has a limited role due to this wide variability, frequently requiring surgical confirmation.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Breast hamartomas are benign tumors composed of fibrous and glandular tissues.
- Accurate diagnosis is crucial to differentiate from malignant lesions.
- Imaging modalities like mammography and ultrasound are used for initial assessment.
Purpose of the Study:
- To report the sonographic features of breast hamartomas.
- To evaluate the diagnostic utility of ultrasound in identifying these lesions.
Main Methods:
- Retrospective review of sonographic findings in ten pathologically confirmed breast hamartomas.
- Correlation of sonographic features with mammographic and clinical findings.
Main Results:
- Four masses were clinically palpable; mammography was characteristic in five cases.
- Sonographic appearances varied widely, with a common presentation of a solid, hypoechoic mass with shadowing.
- Two isoechoic hamartomas were difficult to visualize.
- Surgical excision was necessary for diagnosis in five cases due to non-specific radiographic findings.
Conclusions:
- Breast hamartomas exhibit diverse sonographic appearances.
- Ultrasound has a minimal role in definitive diagnosis due to this variability.
- Pathologic confirmation is often required for accurate diagnosis.