Posterior Interosseous Nerve Compression

synonyms: PIN Compression, PIN Syndrome, Posterior interosseous nerve syndrome

PIN Compression ICD-9

• 354.8 other mononeuritis of upper limb

PIN Compression Etiology / Epidemiology / Natural History

• May occur in up to 5% of pts with lateral epicondylitis.

PIN Compression Anatomy

• Most common site of compression is the arcade of Frohse.
• Other sites of compression: leash of Henry, ECRB / ECRL, Supinator muscle.

PIN Compression Clinical Evaluation

• Pain located directly over the site of PIN compression 3-4 cm distal to the lateral epicondyle (Werner CO, Acta Orthop Scand Supp 1979 174:1)

PIN Compression Xray / Diagnositc Tests

PIN Compression Classification / Treatment

PIN Compression Associated Injuries / Differential Diagnosis

PIN Compression Complications

PIN Compression Follow-up Care

PIN Compression Review References

• Lubahn JD, JAAOS 1998;6:378
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