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 |