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We report on a patient with recovery of activity of the left orbicularis oris and nasalis muscles 3 months after a complete left facial palsy. Stimulation of the affected facial nerve evoked no responses, whereas contralateral facial nerve stimulation showed polyphasic responses with very long latencies in the nasalis and orbicularis oris muscles. Needle electromyography (EMG) revealed abnormal spontaneous activity in the left orbicularis oris muscle. The motor unit action potentials on the left side of the face could be recruited only during marked contraction of the corresponding muscles on the right and were of low voltage and polyphasic ("nascent potentials"). Contralateral reinnervation is probably due to sprouting of terminal branches crossing the midline of the face and innervating bundles of muscle fibers on the affected side. This phenomenon seems unfamiliar to most clinicians. Whether the activity is due to conduction along nerve fibers or muscle fibers crossing the midline is discussed.
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1984,
Fortschritte der Neurologie-Psychiatrie,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1964,
Journal de radiologie, d'electrologie, et de medecine nucleaire,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
October 2012,
Muscle & nerve,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
February 2014,
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1968,
Practica oto-rhino-laryngologica,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1977,
Archives of otolaryngology (Chicago, Ill. : 1960),
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1989,
Archives of oto-rhino-laryngology,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1971,
The Laryngoscope,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
January 1969,
Transactions of the Pacific Coast Oto-Ophthalmological Society annual meeting,
H J Gilhuis, and
C H Beurskens, and
H A Marres, and
J de Vries, and
E H Hartman, and
M J Zwarts
December 2011,
Muscle & nerve,
