CT with contrast















































CT with contrast

Findings: Ring enhancing lesion in the left frontal lobe with mass effect and surrounding low attenuation in the adjacent white matter. Dilatation of the temporal horns of the lateral ventricles as well as the third ventricle. Thinning of the overlying calvarium with soft tissue opacification of the ipsilateral frontal sinus and inflammatory changes involving the overlying subcutaneous tissue of the scalp. Surgical defect compatible with bi-frontal craniotomy.