Figure 3From: Keratinocytic epidermal nevus syndrome with Schwann cell proliferation, lipomatous tumour and mosaic KRAS mutationHypertrophic changes in a nerve root located within a conglomerate tumor. Upper row, nerve root with hypertrophic nerve fascicles with extensive onion bulb formation by S-100-protein expressing schwann cells; lower row, left, lack of EMA expression in the tissue; middle and right, neurofilament detection in a neuron and axons in the center of onion bulbs.Back to article page