 A T1/T2 hypointense, susceptibility-inducing lesion is redemonstrated in the left aspect of the pons. As before, there may be minimal peripheral enhancement around the lesion but this is unchanged. The lesion measures 8 x 8 mm, unchanged since the previous study.No new parenchymal lesions are seen. The ventricular size is normal. No midline shift. There is normal gray-white matter differentiation. No other abnormal lesion seen. No evidence of mass effect or edema.With the exception of a small mucous retention cyst in the left maxillary sinus, the paranasal sinuses and mastoid air cells are clear
Stable left pontine lesion with imaging characteristics suggestive of a cavernous malformation. No new lesions are detected. 