Inframammary fold

The inframammary fold is a key anatomical landmark in breast surgery.

The inframammary fold (IMF) is an anatomical feature of the human breast. It is the natural boundary where the lower part of the breast meets the chest wall. This fold is significant in both breast surgery and breast imaging.

Anatomy

The inframammary fold is formed by the attachment of the superficial fascia of the breast to the chest wall. It is a distinct crease that can vary in prominence among individuals. The IMF is located at the level of the sixth or seventh rib and is an important landmark in determining the position of the breast on the chest wall.

Clinical Significance

The inframammary fold plays a crucial role in various medical procedures, particularly in breast augmentation and breast reduction surgeries. Surgeons often use the IMF as a guide to ensure symmetrical placement of breast implants and to maintain the natural contour of the breast.

In breast imaging, the inframammary fold is a reference point for positioning during mammography. Proper positioning of the breast relative to the IMF is essential for accurate imaging and diagnosis.

Surgical Considerations

In breast surgery, maintaining the integrity of the inframammary fold is vital for achieving aesthetically pleasing results. Surgeons must carefully plan incisions and implant placement to preserve the natural appearance of the fold. Disruption of the IMF can lead to complications such as "double bubble" deformity, where the implant creates an additional fold beneath the natural inframammary fold.

Variations

The prominence and position of the inframammary fold can vary based on factors such as age, body mass index, and breast size. In some individuals, the fold may be less defined, while in others, it may be more pronounced. These variations can influence surgical planning and outcomes.

Related Pages

• Breast anatomy
• Breast surgery
• Mammography
• Breast augmentation
• Breast reduction