The popliteal lymph nodes are behind the knee. Conditions such as infections and autoimmune conditions can cause swelling, ... There are 2–9 lymph nodes within every popliteal fossa.

The popliteal fossa contains several important anatomical structures, including nerves, blood vessels, and lymph nodes. There can be various reasons for pain. It can be dull or shar pain.

Pacira Announces Publication of Pivotal Study of EXPAREL as a Sciatic Nerve Block in the Popliteal Fossa for Patients After Bunionectomy Pacira BioSciences Thu, Feb 15, 2024, 5:36 AM 7 min read ...