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[Gradually enhancing breast cancer on dynamic MRI].
I Isomoto1, T Koshiishi, T Okimoto
1Department of Radiology, Nagasaki University School of Medicine.
Nihon Igaku Hoshasen Gakkai Zasshi. Nippon Acta Radiologica
|October 6, 2000
Summary
A small percentage of breast cancers show gradual enhancement on dynamic MRI. Radiologists should consider other imaging features for accurate diagnosis of these gradually enhancing breast tumors.
Area of Science:
- Oncology
- Radiology
- Pathology
Context:
- Contrast-enhanced dynamic MRI is a key imaging modality for breast cancer detection.
- Understanding diverse enhancement patterns is crucial for accurate diagnosis.
- Gradual enhancement is an atypical pattern for malignant breast lesions.
Purpose:
- To determine the frequency of gradually enhancing breast cancers on dynamic MRI.
- To analyze the radiologic and pathologic features of these specific lesions.
Summary:
- This study retrospectively analyzed 83 breast cancer patients undergoing dynamic MRI.
- Eight lesions (10%) exhibited a gradually enhancing pattern.
- Pathologic review revealed features like prominent fibrosis in invasive ductal carcinomas and mucinous pools in mucinous carcinoma.
Impact:
- Highlights that some breast cancers can present with gradual enhancement on MRI.
- Emphasizes the importance of integrating other imaging findings for differential diagnosis.
- Contributes to refining diagnostic criteria for breast tumors on MRI.