Diagnosis of Neurofibromatosis Type 1

Patient's gender

Age of the patient

Has the patient experienced puberty yet?

Age of puberty onset

Has a first degree relative (parent, sibling, child, etc.) been diagnosed as having neurofibromatosis 1?

Does the patient have cafe'-au-lait spots?

Diameter in centimeters of largest cafe'-au-lait spot

Diameter in centimeters of second largest cafe'-au-lait spot

Diameter in centimeters of third largest cafe'-au-lait spot

Diameter in centimeters of fourth largest cafe'-au-lait spot

Diameter in centimeters of fifth largest cafe'-au-lait spot

Diameter in centimeters of sixth largest cafe'-au-lait spot

Number of plexiform neurofibromas present

Number of nonplexiform neurofibromas present

Number of Lisch nodules (benign iris hamartomas) present

Are freckles present in the axilla or groin?

Has the patient had an optic glioma?

Is there dysplasia of the sphenoid bone on X-ray?

Is there dysplasia of a long bone cortex on X-ray?

Is there thinning of a long bone cortex?