Local mast cell histamine and plasma histamine levels in neurofibromatosis type 1.

Cutaneous neurofibroma 1/9/M 0 1.15 ND + + 2/10/M 0 0.62 ND 3/10/F 0 0.99 ND 4/14/M 1–10 1.32 ND 5/24/F 1–10 1.31 ND + + 6/27/M 11–100 0.65 15.6 (T) + + 7/32/M 11–100 0.52 ND 8/35/M 11–100 0.55 ND 9/36/M 101–1000 0.17 85.2 (T) 10/37/F 11–100 0.51 20.4 (H) 11/38/F 101–1000 0.52 ND 12/51/F 101–1000 0.29 10 (E) 13/59/F 11–100 0.41 ND 14/62/F 11–100 0.56 ND 15/63/F 11–100 0.38 ND + 16/66/F 101–1000 0.34 47.2 (T) 17/67/F 101–1000 0.81 52 (T) 18/67/M 101–1000 0.37 28 (T) 19/68/F 11–100 0.82 ND + 20/73/F 101–1000 0.7 1.2 (E) Nodular plexiform neurofibroma 21/4/F 0 0.56 0 (H) 22/15/F 0 0.61 1.2 (E) 23/21/M 0 0.75 0 (E) 24/35/M 1–10 0.7 0.8 (E) Diffuse plexiform neurofibroma 25/15/M 0 1.34 ND + + 26/20/M 1–10 0.99 ND 27/41/M 11–100 0.55 ND 28/47/F 11–100 0.4 65.2 (E) 29/58/F 101–1000 0.34 4 (T) +