Axillary Tail: Landmark In Axillary Lymph Node Dissection

The axillary tail of Spence is a small, triangular flap of fascia located at the inferior border of the axilla. It is formed by the downward extension of the axillary fascia and separates the axillary contents from the medial surface of the humerus. The axillary tail is clinically significant during axillary lymph node dissection, as it provides an important landmark for identifying and preserving the axillary neurovascular structures.

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