Fig. 3From: Cutaneous neurofibromas in Neurofibromatosis type I: a quantitative natural history studyCutaneous neurofibroma number by body region over 96 months. Line graph demonstrates the number of cutaneous neurofibromas in the back region (a), abdominal region (b), and the upper arm or thigh (c) for each study participant that completed all study visits. The thick blue line represents the slopeBack to article page