Axilla Lymph Nodes

A normal lymph node's cortex is less than 3mm. Normal lymph node appearance: Oval or reniform, smooth margins, uniform peripheral cortex, minimal thickness of cortex 3mm or less.

Abnormal lymph nodes are ≥ 3mm, but can be considered okay if seen in both axilla symmetrically. Abnormal appearance is… continued...

Typical Protocol: If all lymph nodes are oval with a fatty hilum…continued…

Abnormal appearance: measure in three planes and show with and without color.

To ensure you are measuring the cortex correctly and recognizing abnormal lymph nodes, click, ‘Mastery Academy’ below.