Precocious puberty. Pituitary: The pituitary gland is not enlarged and there is no evidence of mass lesions. The infundibulum is intact. There is no evidence of ectopic posterior pituitary bright spot of hypothalamic hamartoma. The optic chiasm and cavernous sinuses are intact. Brain: There is an unchanged bilateral periventricular nodular lesions with grey matter signal characteristics, right larger than left. There is no evidence of intracranial hemorrhage or acute infarct. There is no abnormal intracranial enhancement. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.
1. No evidence of pituitary or hypothalamic lesions.2. Findings compatible with subependymal heterotopic gray matter along the bilateral lateral ventricles.