Clinical History.—A 9½-year-old boy was referred to the Childrens Neurology Clinic at St. John's Episcopal Hospital because of a one-year history of right facial tic, restlessness, and athetoid movements of the hands. The remainder of the history was noncontributory.
Physical examination failed to demonstrate any localizing neurological signs or any other physical abnormality. Results of laboratory studies and an electroencephalogram were interpreted as normal. Roentgenograms of the skull were obtained (Fig 1 and 2).
Denouement and Discussion
There are many causes of intracranial calcifications and at times the calcifications lead to the identification of a specific process. Such systemic diseases as toxoplasmosis, cytomegalic inclusion disease, and cryptococcosis are known to have intracranial calcifications. Others such as tuberous sclerosis and SturgeWeber syndrome frequently have intracranial calcifications, and calcifications may be seen in intracranial tumors.In this case, the radiopaque densities seen in the roentgenogram are not intracranial but