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Table 2 Histopathological features in group A, before, 1 month and 6 months after PRP treatment

From: Platelet-rich plasma (PRP) a biogenic stimulator in treatment of primary atrophic rhinitis

  Histopathological features (%) before PRP (%) 1 month after PRP (%) 6 months after PRP
A. Status of the epithelium 1. Partial squamous metaplasia 42.33 41.33 39.33
  2. Total squamous metaplasia 33.88 32.66 32.66
  3. Denuded epithelium 3.44 1.88 0.64
  4. Total squamous metaplasia with keratinization 12.66 10.66 10.66
B. Tunica propria 1. Granulation tissue 39.22 38.66 34.66
  2. Chronic inflammatory cellular infiltrate 38.44 34.22 34.88
  3. Fibrosis 24.53 21.22 21.22
  4. Granulation tissue with fibrosis 24.53 23.22 23.22
  5. Chronic inflammatory cellular infiltrate with fibrosis 38.44 35.22 31.88
  6. Basement membrane  
   Thickened 58.30 56.22 56.22
   Ill-defined 32.10 29.88 29.88
   Normal 8.10 15.88 17.22
  1. Absence of glands 23.14 19.27 17.88
C. Mucous glands 2. Reduction in number and size of glands 58.66 49.22 48.62
  3. Normal glands 11.66 16.22 16.22
D. Blood vessels 1. Reduced vascularity 56.66 49.22 40.88
  2. Endarteritis 14.33 13.22 12.28
  3. Periarteritis 5.44 4.66 4.66
  4. Dilated blood vessels 22.33 20.22 18.88