Compression and entrapment neuropathies.
Peripheral nerve entrapments are frequent. They usually appear in anatomical tunnels such as the carpal tunnel. Nerve compressions may be due to external pressure such as the fibular nerve at the fibular head. Malignant or benign tumors may also damage the nerve. For each nerve from the upper and lower limbs, detailed clinical, electrophysiological, imaging, and therapeutic aspects are described. In the upper limbs, carpal tunnel syndrome and ulnar neuropathy at the elbow are the most frequent manifestations; the radial nerve is less frequently involved. Other nerves may occasionally be damaged and these are described also. In the lower limbs, the fibular nerve is most frequently involved, usually at the fibular head by external compression. Other nerves may also be involved and are therefore described. The clinical and electrophysiological examination are very important for the diagnosis, but imaging is also of great use. Treatments available for each nerve disease are discussed.
Department of Clinical Neurophysiology Salpêtrière Hospital, Paris, France. Electronic address: pierre.bouche@psl.aphp.fr.
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D001176:Arthrogryposis / Q000175:diagnosis / Q000503:physiopathology; D004558:Electric Stimulation; D004568:Electrodiagnosis; D005121:Extremities / Q000294:innervation / Q000503:physiopathology*; D015417:Hereditary Sensory and Motor Neuropathy / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D010525:Peripheral Nerves / Q000503:physiopathology; D012867:Skin / Q000294:innervation
Nerve compression; carpal tunnel syndrome; electrophysiological study; fibular neuropathy; median nerve; nerve entrapment; tibial neuropathy; ulnar neuropathy