[Differential anterior interosseous nerve syndrome diagnosis]
Related Experiment Video
Updated: Oct 29, 2026

Ultrasound-Guided Needle Release Combined with Corticosteroid Injection for the Treatment of Supinator Syndrome
Published on: May 26, 2023
1Klinik und Poliklinik für Unfall- und Handchirurgie, Westfälische Wilhelms-Universität Münster.
Abstract:
The differential diagnosis of the rupture of flexor pollicis longus tendon and profundus tendon to index finger to the interosseus anterior nerve syndrome can be difficult and can lead to misinterpretation of the clinical impression. Two cases are reported to demonstrate this problem. In the first case a spontaneous rupture of flexor pollicis longus was found, when first an interosseus anterior nerve syndrome was suspected. In a second case surgical exploration of flexor pollicis longus tendon and profundus tendon to index finger was done on the assumption of a rupture, that revealed intact tendons. In a second operation neurolysis of the interosseus anterior nerve was carried out with full recovery of flexion of the thumb and index finger.
Related Concept Videos
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Local Anesthetics: Differential Sensitivity of Nerve Fibers
Spinal Nerves: Plexus I
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests
Acute Coronary Syndrome III: Diagnostic Studies
