Differential diagnosis of disseminated periventricular calcifications

Juvenile disseminated periventricular calcifications may occur in tuberous sclerosis, toxoplasmosis, cytomegaly, and in tuberculous meningitis. Cysticercosis, by contrast, does not result in corresponding intracerebral foci until an older age. Differential diagnosis is no problem if clinical findings are typical (tuberous sclerosis) or if serological verification is positive. However, any unclear clinical diagnosis can often be secured by CT. (orig.)