case_images: PMC7307582_01
case_images: Sural nerve biopsy showing a semi-thin toluidine blue-stained sections (left;
  x100) and ultrastructure (right; x3870). Enlarged axons are seen (arrows)
  with attenuated myelin sheaths. The absence of intermediate filaments in
  other cell types, osmiophilic condensation, onion bulb formation, and
  inflammatory infiltrate suggested n-hexane exposure.
case_images: 10.1177_2329048X20934914-fig1.jpg
case_images: PMC7307582_01_10.1177_2329048X20934914-fig1.jpg
case_images: fig1-2329048X20934914
case_images: Semi-thin toluidine blue-stained sections of plastic embedded samples and ultrastructural study revealed enlarged axons with accumulation of neurofilaments and attenuated myelin sheaths (Figure 1).