Photosensitivity during the hypersomnic phase in a patient with Kleine-Levin syndrome.
The case of an adolescent with Kleine-Levin syndrome is presented who exhibited a consistent and predictable photoparoxysmal self-limited response to intermittent photic stimulation during all relapses of his hypersomnic phase. A possible cause of this association that has not been previously reported is speculated based on observations concerning the two disorders.
Papacostas
Savvas S
SS
Department of Clinical Neurophysiology, The Cyprus Institute of Neurology and Genetics, Nicosia. savvas@cing.ac.cy
D000293:Adolescent; D006970:Disorders of Excessive Somnolence / Q000209:etiology* / Q000503:physiopathology*; D004569:Electroencephalography; D006801:Humans; D017593:Kleine-Levin Syndrome / Q000150:complications* / Q000503:physiopathology*; D008297:Male; D010787:Photosensitivity Disorders / Q000209:etiology* / Q000503:physiopathology*