Certified Surgical First Assistant (CSFA) Practice Test

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What is the name of the prolongation of breast tissue located in the upper, outer part of the breast?

Areola
Axillary tail of Spence
Inframammary fold
Suspensory ligament

The correct answer is: Axillary tail of Spence

The axillary tail of Spence refers to the extension of breast tissue that extends into the axillary region, which is the upper, outer part of the breast. This anatomical feature is significant because it can be involved in conditions such as breast tumors, given its proximity to lymph nodes in the axilla. Recognizing this area is crucial during breast examinations and imaging, ensuring comprehensive assessments for potential abnormalities. The other options represent different structures within the breast. The areola is the pigmented area surrounding the nipple, the inframammary fold is the crease under the breast where it meets the chest wall, and the suspensory ligament (Cooper's ligaments) provides support to the breast tissue but does not define its outer extensions. Thus, understanding the function and location of these structures is key in breast anatomy, but the axillary tail of Spence specifically highlights the continuity of breast tissue into the upper, outer quadrant.