Characteristics of Normal and Abnormal Popliteal Lymph Nodes

Imaging Characteristics

• Benign lymph nodes typically have smooth, well-defined borders with uniform and homogeneous attenuation, according to the American College of Radiology 1
• The presence of a central fatty hilum is reassuring for benign etiology, as stated by the American College of Radiology 1
• The presence of a central fatty hilum is reassuring for benign etiology, with a strength of evidence supported by multiple sources, including the Journal of the American College of Radiology 1, 2