What is the differential diagnosis of a cerebral abscess?
Bacterial meningitis, brain cancer (primary or metastatic), cryptococcosis, cysticercosis, epidural abscess.
Ring enhancing lesion in the left occipital lobe. Hypointense rim seen on T2 sequence associated with mass effect and surrounding perilesional oedema causing no significant midline shift. On diffusion imaging there is evidence of restriction noted predominantly in the periphery of the lesion. No other similar lesions seen.