Figure 8From: Resection of small plexiform neurofibromas in neurofibromatosis type 1 childrenPhotomicrograph of PNF. Plexiform neurofibroma WHO grade I invading fascicles of a peripheral nerve. Tumor growth is primarily confined to the endoneurial space; the perineurium (arrow) forms a natural border for the tumor. Note the loose myoxid texture of the tumor tissueBack to article page