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. 2016 Apr 13;7:212–220. doi: 10.1016/j.ebiom.2016.04.005

Table 1.

NIH criteria for NF1.

NIH diagnostic criteria for Neurofibromatosis type 1
Two or more of the following:
6 or more café au lait macules (0.5 cm in children or 1.5 cm in adults)
2 or more cutaneous/subcutaneous neurofibromas or one plexiform neurofibroma
Skin fold freckling
Optic pathway glioma
2 of more Lisch nodules (iris hamartomas seen on slit lamp examination)
Bony dysplasia (sphenoid wing dysplasia, bowing of long bone, pseudarthrosis)
First degree relative with NF1