Neurological findings in patients with pseudopapilloedema with and without verified optic disc drusen

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Abstract
As part of a clinical examination of 200 patients with pseudopapilloedema with and without verified optic disc drusen, neurophthalmological examinations were performed in 158, neurological examinations in 117 and EEG in 109 patients. Headache and suspected papilloedema were the most frequent reasons for referral. Headache was one of the complaints in 102 patients. Migraine was diagnosed in 22 and suspected in 3 patients. Epilepsy was present in patients and, in addition, 1 patient had had treatment for convulsions in childhood. Two patients had a pituitary tumor and 1 had a tumor in the hypothalamic region. Various other neurological disorders appeared in small numbers. Abnormalities in EEG were found in 36 patients. Progressive loss of central visual acuity unexplained by retinal pathology as well as bitemporal and homonymous hemianopic visual field defects and also evidence of papilloedema warrant a neurological examination in patients with optic disc drusen.