To palpate epitrochlear nodes, have the patient flex the elbow approximately 90°. Feel for the nodes in the fossa about 3 cm proximal to the medial epicondyle of the humerus, in the groove between the biceps and the triceps muscles. Epitrochlear nodes are rarely palpable, but if they are present, their size, consistency, and tenderness should be described. Acute infections of the ulnar aspect of the forearm and hand may be responsible for epitrochlear adenopathy. Epitrochlear nodes are also observed in non-Hodgkin's lymphoma.
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