Anterior interosseous neuropathy (AIN): clinical features and management
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Anterior interosseous neuropathy (AIN): clinical features and management. Flexor pollicis longus (FPL). Fully referenced neurology checklist.
Muscles innervated by the AIN
- Flexor pollicis longus (FPL)
- Flexor digitorum profundus (FDL): radial half
- Pronator quadratus
- Pronator teres is spared
- There is no sensory supply
Clinical features
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Neurophysiology
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Magnetic resonance imaging (MRI) muscle
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Treatment
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Synonym
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References
- Aljawder A, Faqi MK, Mohamed A, Alkhalifa F. Anterior interosseous nerve syndrome diagnosis and intraoperative findings: a case report. Int J Surg Case Rep 2016; 21:44-47.
- O'Brien MD, Upton AR. Anterior interosseous nerve syndrome. A case report with neurophysiological investigation. JNNP 1972; 35:531-536.
- Dunn AJ, Salonen DC, Anastakis DJ. MR imaging findings of anterior interosseous nerve lesions. Skeletal Radiol 2007; 36:1155-1162.
- Godel T, Pham M, Kele H, et al. Diffusion tensor imaging in anterior interosseous nerve syndrome-functional MR Neurography on a fascicular level. Neuroimage Clin 2019; 21:101659.
- Pham M, Bäumer P, Meinck HM, et al. Anterior interosseous nerve syndrome: fascicular motor lesions of median nerve trunk. Neurology 2014; 82:598-606.
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