Reason: Abnormal brain development? History: Global developmental delay, macrocephaly, myoclonus No diffusion abnormality. No evidence of intracranial hemorrhage. No mass mass effect or midline shift. The ventricles and sulci are normal in size. No abnormal T2/FLAIR hyperintensities. Gray-white matter differentiation is preserved. No evidence of focal heterotopia or dysplasia. Paranasal sinuses and mastoid air cells are clear. Visualized orbits are intact. Osseous structures are unremarkable. Flow voids are noted in the major intracranial vasculatures.
Normal appearing brain MRI. No specific findings to account for the patient's symptoms. 