Breast metastases from extramammary malignancies

Area of Science:

• Radiology
• Oncology
• Pathology

Background:

• Metastatic breast lesions can mimic primary breast cancer on mammography.
• Distinguishing metastatic disease from primary tumors is crucial for patient management.

Purpose of the Study:

• To characterize the mammographic appearance of metastatic breast lesions.
• To compare the imaging features of metastatic breast cancer with primary scirrhous breast carcinomas.

Main Methods:

• Retrospective analysis of mammograms from patients with biopsy-proven metastatic breast cancer.
• Comparison of mammographic findings with clinical palpation and histopathological features.

Main Results:

• Metastatic foci typically present as circumscribed, spheroid masses with slightly irregular margins.
• Absence of microcalcifications, spiculations, and desmoplastic response is noted in metastatic lesions.
• A strong correlation exists between palpated and mammographically measured sizes of metastatic lesions.

Conclusions:

• Mammographic findings of well-circumscribed, spheroid masses without desmoplasia suggest metastatic disease.
• The size correlation between palpation and mammography is a key differentiator from scirrhous breast carcinomas.