The axillary tail of Spence refers to which anatomical feature?

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Multiple Choice

The axillary tail of Spence refers to which anatomical feature?

Explanation:
The axillary tail of Spence is an extension of breast tissue that extends superolaterally into the axilla toward the armpit. It represents part of the glandular breast rather than a separate structure, so it is not a fibrous band (that would be Cooper’s ligaments), not a lymph node, and not the pectoralis major muscle. Clinically, this tail can harbor breast lesions that may present as an axillary mass and can involve nearby axillary lymph nodes, which is why awareness of its location matters in examination and imaging.

The axillary tail of Spence is an extension of breast tissue that extends superolaterally into the axilla toward the armpit. It represents part of the glandular breast rather than a separate structure, so it is not a fibrous band (that would be Cooper’s ligaments), not a lymph node, and not the pectoralis major muscle. Clinically, this tail can harbor breast lesions that may present as an axillary mass and can involve nearby axillary lymph nodes, which is why awareness of its location matters in examination and imaging.

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