International Board of Certified Lactation Consultant (IBCLC) Practice Exam

What is the anatomical connection of the Tail of Spence?

1. To the abdominal cavity

2. To the axilla

3. To the heart

4. To the diaphragm

The correct answer is: To the axilla

The Tail of Spence refers to the extension of breast tissue that extends into the axilla, or armpit area. This anatomical feature is significant because it can be a site for the development of breast tissue and potentially breast pathology, such as tumors or lymph node involvement in breast cancer. Understanding this connection is important for clinical assessments, as it affects how healthcare providers evaluate breast health and detect any anomalies during examinations. The Tail of Spence is often palpated during breast examinations, highlighting its relevance in both physical assessments and in understanding lymphatic drainage pathways associated with breast cancer. The axilla contains lymph nodes that play a crucial role in the spread of breast cancer, making the identification of this extension critical for proper diagnosis and treatment planning. This anatomical connection also emphasizes the importance of comprehensive breast health evaluations, as tissue beyond the main breast can sometimes harbor lesions or provide important clues regarding the health of the entire breast system.