6 cm mass in the central occipital area close to the vertex with a 1.8 cm bony defect.
The external component is cystic but the larger intracranial element is composed of solid enhancing soft tissue. This is irregular and extends along the posterior interhemispheric fissure and invades the sagittal sinus.
2.7 cm enhancing cystic lesion in the right occipital lobe.
Gross oedema of the occipitoparietal regions bilaterally.
Comment: Large occipital skull/dural based mass
The differential includes haemangioperitocytoma, dural lymphoma, malignant meningioma and far less likely tuberculosis.