The epitrochlear (cubital) lymph nodes are one or two small nodes on the inner side of the arm, a few centimetres above the medial epicondyle of the humerus, beside the basilic vein. They filter superficial lymph from the little finger side of the hand and forearm.
| Location | Medial arm in the subcutaneous tissue about 4-5 cm above the medial epicondyle, alongside the basilic vein |
|---|---|
| Receives lymph from |
|
| Lymphatic drainage |
Filter superficial lymph from the ulnar side of the hand and forearm.
A palpable epitrochlear node is unusual in healthy adults and suggests infection of the ulnar side of the hand or forearm, or systemic conditions such as secondary syphilis, HIV, sarcoidosis or lymphoma. They are felt with the elbow slightly flexed, pressing in the groove between biceps and triceps above the medial epicondyle.
Enlargement from infection of the medial hand or forearm, or as part of generalised lymphadenopathy in syphilis, HIV or lymphoma.
Bartonella infection after a scratch on the hand, causing tender regional nodes including the epitrochlear group.
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