Breast carcinoma in augmented breasts: MRI findings

Area of Science:

• Radiology
• Oncology
• Breast Imaging

Background:

• Breast augmentation is common, increasing the complexity of breast cancer detection and management.
• Accurate characterization of breast cancer in augmented breasts is crucial for effective treatment planning.

Purpose of the Study:

• To characterize the magnetic resonance imaging (MRI) features of breast carcinomas detected in augmented breasts.
• To evaluate the relationship between implant characteristics and tumor presentation on MRI.

Main Methods:

• Retrospective review of MRI database for patients with biopsy-proven breast carcinoma in augmented breasts.
• Analysis of implant type/location and carcinoma characteristics, including morphology, size, and relationship to surrounding tissues.

Main Results:

• Of 54 cancers, 63% presented as masses and 37% as non-mass enhancement on MRI.
• 37% of carcinomas abutted the implant, with 90% of these showing spread along the implant capsule.
• Tumor spread along the implant contour was more frequent with retroglandular implants (56%) than retropectoral implants (24%).

Conclusions:

• Breast cancer in augmented breasts frequently involves contact with the implant or pectoralis major muscle.
• MRI is valuable for assessing the extent of disease in augmented breasts, particularly regarding tumor spread along the implant.
• Consideration of MRI is recommended for surgical planning in women with augmented breasts and breast cancer.