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Table 2 Morphometric data

From: Trigeminal isolated sensory neuropathy (TISN) and FOSMN syndrome: despite a dissimilar disease course do they share common pathophysiological mechanisms?

  Myelinated fibres Unmyelinated fibres
Patient Density (n/mm 2) Peak (μm) Max (μm) Density (n/mm 2) Peak (μm) Max (μm)
0 10000 4.5-11 14.5 40000 0.8 1.8
TISN
1 -      
2 4500 5 13 30000 1.0 1.7
3 5000 5 14 35000 0.9 1.5
4 -      
5 3212 2 14 43210 1.0 1.8
6 2526 3 8 52751 1.1 1.6
7 12073 3 11 36997 0.8 1.4
8 5526 3.5 11 50600 0.8 1.7
Mean ± SD 5473 ± 3421 3.6 ± 1.2 11.8 ± 2.3 41426 ± 9023 0.9 ± 0.1 1.6 ± 0.1
FOSMN
9 2500 4 8 40000 1.0 1.7
10 1150 3.5 12.5 31600 0.9 1.6
11 7829 2.5 10 54197 0.8 1.4
12 -      
13 11639 3 11.5 59978 1.0 1.8
Mean ± SD 5780 ± 4855 3.3 ± 0.6 10.5 ± 2.0 46444 ± 12976 0.9 ± 0.1 1.6 ± 0.2
P >0.90 >0.60 >0.35 >0.45 >0.90 >0.90
  1. TISN: Trigeminal isolated sensory neuropathy. FOSMN: Facial onset sensory-motor neuronopathy. P: t test between TISN and FOSMN.