Sunday, November 05, 2006

Bogorad Syndrome

Bogorad Syndrome (Paroxysmal Lacrimation Syndrome; Crocodile Tear

General: Subsequent to facial palsy if the lesion is proximal to the geniculate ganglion; during regeneration, fibers supposed to reinnervate the sublingual and submandibular glands are partly interchanged with fibers innervating the lacrimal gland and, hence, gustatory stimulation causes lacrimation.

Ocular: Unilateral lacrimation while eating or drinking due to misdirected nerve fiber regeneration.

Clinical: Excessive salivation (occasionally); diffuse facial muscle response or facial contracture with lacrimation.

Bogorad FA. Symptoms of crocodile tears. Vrach Delo 1928; 11:1328.

McGovern FH. Paroxysmal lacrimation during eating following recovery from facial paralysis: syndrome of crocodile tears. Am J Ophthalmol 1954; 23:1388.


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