Clinical question: Reevaluate enhancing focus in the left thalamus. Signs and symptoms: Headache and memory disturbance. Pre and post enhanced brain MRI:No acute intracranial process and negative diffusion weighted series.Examination demonstrates stable small focus of susceptibility in the left thalamus without interval change in size or morphology since prior study. Similar to prior exam there is no associated FLAIR or T2 signal abnormality with this finding and no detectable surrounding edema or mass effect. Differential diagnosis of a capillary hemangioma or a cavernous malformation should be considered.The signal intensity and morphology of the brain parenchyma is otherwise is within normal limits and without detectable abnormal enhancement otherwise. Unremarkable cerebral cortex, cortical sulci, ventricular system, CSF spaces and brain myelination.Unremarkable calvarium, orbits, paranasal sinuses and mastoid air cells.
1.Subtle well-demarcated focus of enhancement in the left thalamus with minimal susceptibility associated signal changes remains stable since prior exam. Differential diagnosis of capillary telangectasia or a cavernous malformation should be considered. This finding is not associated with any surrounding edema or mass effect.2.Stable and unremarkable pre and post enhanced brain MRI otherwise.