Clinical question: Evaluate for SEGA, cortical tubers. Signs and symptoms: Tuberous sclerosis, seizure disorder. Pre- and post enhanced brain MRI:No diffusion-weighted abnormalities.There is normal anatomical morphology of the brain.There is normal signal intensity of brain parenchyma on all MRI sequences with the exception of a punctate focus of susceptibility in the right posterior temporal-occipital region (axial 3-D swan series 8 image 20) of unknown clinical significance.Unremarkable cerebral cortex, cortical sulci, ventricular system, CSF spaces and brain myelination.There is no detectable abnormal parenchymal, left meningeal or calvarial enhancement.Unremarkable images through the orbits and including axial fat sat post enhanced series.The signal void of major intracranial arterial branches are identified.Normal signal intensity of intracranial venous sinuses and right normal pattern of enhancement.All paranasal sinuses and bilateral mastoid air cells and middle ear cavities demonstrate normal pneumatization signal patterns.
1.Negative diffusion weighted images.2.Single punctate focus of susceptibility in the right posterior temporal-occipital of unknown clinical significance.3.Unremarkable pre and post enhanced brain MRI otherwise.