3 week old full term baby girl born NSVD with no complications. Patient had a fever and presented with right arm rhythmic shaking lasting less than a minute concerning for seizure activity, evaluate for intracranial abnormality. LP performed at outside hospital with CSF notable for WBC 33, RBC 48, N18, L76, M6, Glucose 47, Protein 141. There are areas of mild ill-defined diffusion restriction particularly affecting the left temporal lobe but also scattered elsewhere through the brain bilaterally. Additionally, there is generalized fullness and edema of the left temporal lobe, parietal lobe, occipital lobe, thalamus, and insula, which correlate to the areas of restricted diffusion. No hemorrhage or fluid collection is identified. No structural abnormalities are present and the pattern of myelination is appropriate for patient's age. The brainstem and posterior fossa structures are within normal limits. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, and scalp soft tissues are grossly unremarkable.
Findings compatible with encephalitis, likely viral.