Female, 20 years old, with episodes of loss of consciousness, concern for seizure disorder. A 9 x 6 mm oval cystic lesion is evident at the margin of the right frontal horn. The rim of this lesion is mildly FLAIR hyperintense but the central component suppresses similar to CSF.Elsewhere, numerous scattered punctate foci of T2 hyperintensity are evident in the cerebral white matter, none of which is associated with any significant mass effect.No other abnormal extra-axial collections are detected. No evidence of intracranial hemorrhage is seen. The ventricular system is patent and within normal limits for size.
1. A subcentimeter cyst is evident along the margin of the right frontal horn. The differential diagnosis would include a congenital periventricular or connatal cyst. The relevance of this finding to the patient's presenting complaint is uncertain but it is likely to be an unrelated incidental finding.2. Numerous scattered punctate foci of T2 hyperintensity are evident within the cerebral white matter, more than what would be considered within normal limits for a patient of this age. The differential diagnosis for such a finding is broad and would include the sequelae of prior inflammation, demyelination, vascular disease, or migrainous headache as the most common potential etiologies.3.No other specific findings are seen which would account for the patient's suspected seizures.