Table 1 Differences between histological features of paranasal sinus and nasomaxillary aperture mucosa
| Â | PSM | NAM |
|---|---|---|
Number of sites | 8 | 1 |
Number of samples | 113 | 15 |
Mucosal height (µm) | 75.72 (± 44.48) | 820.27 (± 653.21) |
Epithelial height (µm) | 13.52 (± 4.78) | 44.9 (± 12.78) |
Mucus lining (present in % of samples) | 23% (26/113) | 60% (9/15) |
Cilia (alignment) | 51% (58/113) aligned 49% (55/113) not aligned | 40% (6/15) aligned 60% (9/15) not aligned |
Cilia (density) | 43% (49/113) high 54% (61/113) medium 3% (3/113) low | 93% (14/15) high 7% (1/15) medium |
Number of epithelial nuclei rows | 2 (± 0) | 3 (± 1) |
Shape of luminal epithelial cells | 77% (87/113) cubic 20% (23/113) columnar 3% (3/113) squamous | 100% (15/15) columnar |
Goblet cells (present in % of samples) | 83% (94/113) | 100% (15/15) |
Goblet cells (number per ROI) | 2 (± 3) | 10 (± 8) |
Goblet cells (shape) | 100% (94/94) cup | 93% (14/15) cup 7% (1/15) columnar |
Vessels (present in % of samples) | 100% (113/113) | 100% (15/15) |
Glands (present in % of samples) | 4% (5/113) | 100% (15/15) |
Immune cells (present in % of samples) | 88% (100/113) | 93% (14/15) |
Distribution of immune cells | 92% (92/100) scattered 8% (8/100) diffuse | 64% (9/14) scattered 29% (4/14) diffuse 7% (1/14) clustered |