Table 12: Comparison of horizontal distance differences of reference points ‘Antegonion’ to M-plane (AgR-M minus AgL-M) on PA cephalogram in NF1 patients with facial plexiform neurofibroma (FPNF).
All tumor manifestations are unilateral. The diagnostic group is divided into subgroups according to the location of affected branches of the trigeminal nerve.
A/NA positive: Tumor side larger; A/NA negative: Tumor side smaller; R/L positive: Right side larger; R/L negative: Left side larger.