NF2 and neoplasm: This explains the difference in the radiological phenotype seen as first postulated by Martuza and Ojemann.8 This is also likely to explain the lobulated pattern with the nerve fibres embedded in the tumour as shown histologically.14, 15 We also suggest that there is a correlation between the multiplicity of tumour origin and the aggressiveness of the overall NF2 disease process on an individual patient basis.