Molecular imaging of the breast
Robyn L Birdwell1, Carolyn E Mountford, J Dirk Iglehart
1Division of Breast Imaging, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, 75 Francis Street, Boston, MA 02129, USA. rbirdwell@partners.org
Radiologic Clinics of North America
|September 28, 2010
Summary
Advanced imaging techniques like MRI and PET reveal tumor characteristics beyond structure. Understanding molecular changes in cancer pathways is key for personalized tumor detection, treatment, and surveillance.
Area of Science:
- Oncology
- Medical Imaging
- Molecular Biology
Background:
- Structural imaging alone has limitations in cancer assessment.
- Tumor-specific molecular changes impact normal cellular pathways.
- Advanced imaging modalities offer deeper insights into tumor biology.
Purpose of the Study:
- To highlight the capabilities of advanced imaging techniques in oncology.
- To emphasize the need for understanding molecular alterations in cancer.
- To underscore the potential for personalized cancer care.
Main Methods:
- Contrast-enhanced magnetic resonance imaging (MRI).
- MR spectroscopy.
- Nuclear medicine imaging (sestamibi and positron emission tomography [PET]).
Main Results:
- These techniques display tumor neoangiogenesis.
- They reveal tumor metabolites and cellular changes like increased mitochondria.
- Hypermetabolic tumor cells are identifiable.
Conclusions:
- Advanced imaging provides functional and metabolic tumor information.
- Further research into molecular pathways is crucial.
- These discoveries pave the way for individualized cancer detection, treatment, and surveillance.


