Subdural hygroma associated with photogenic epilepsy.

Abstract

Epileptic seizures induced by flickering light, occurring either in natural circumstances or in the laboratory, are well-recognized. However, as in other forms of epilepsy, investigations directed at the possibility of uncovering organic brain disease should not be neglected. In the case presented here a large subdural hygroma was discovered in a child suffering from photogenic epilepsy; the combination of this disorder with a gross intracranial lesion seems worth recording. Report of a Case A 13-year-old boy had suffered from early childhood from brief lapses of attention. These had been regarded as evidence of an emotional disturbance and treated by psychotherapy. In the past 2 years there had been several attacks of sudden loss of consciousness lasting several minutes, unaccompanied by convulsions, micturition, or tongue biting. It became apparent that these attacks were related to special circumstances of light stimulation and occurred at the cinema, when he was traveling down