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Correlation between imaging and molecular classification of breast cancers
M Boisserie-Lacroix1, G Hurtevent-Labrot, S Ferron
1Breast Imaging Unit, Department of Medical Imaging, Institut Bergonié, 229, cours de l'Argonne, 33076 Bordeaux cedex, France.
Diagnostic and Interventional Imaging
|July 23, 2013
Summary
Radiologists must understand how different breast cancer subtypes appear on imaging. This knowledge helps correlate histological tumor types and molecular anomalies with distinct imaging features for better diagnosis and treatment planning.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Breast cancer classification traditionally relies on histological type (ductal, lobular, rare forms).
- Molecular subtyping (luminal A, luminal B, HER2 positive, basal-like, triple-negative) has refined prognoses and treatment strategies.
- Emerging research links specific molecular subtypes to distinct imaging appearances.
Purpose of the Study:
- To highlight the importance of recognizing imaging features associated with different breast cancer molecular subtypes.
- To bridge the gap between histological/molecular classification and radiological interpretation.
- To equip radiologists with knowledge of subtype-specific imaging characteristics.
Main Methods:
- Review of current literature correlating breast cancer histology and molecular subtypes with imaging findings.
- Analysis of imaging characteristics (e.g., mammography, ultrasound, MRI) for each subtype.
- Synthesis of information to guide radiological assessment.
Main Results:
- Specific histological and molecular subtypes exhibit characteristic imaging patterns.
- Understanding these patterns aids in differentiating subtypes and predicting treatment response.
- Radiological assessment can be enhanced by integrating molecular subtyping information.
Conclusions:
- Familiarity with the imaging manifestations of breast cancer molecular subtypes is crucial for radiologists.
- This knowledge improves diagnostic accuracy and supports personalized treatment approaches.
- Further research is needed to fully elucidate subtype-specific imaging biomarkers.
