| Patient no. . | 1 . | 2 . | 3 . | 4 . | |
|---|---|---|---|---|---|
| No. of NET-infiltrating area identified | Total | 17 | 13 | 14 | 10 |
| Vascular compartment | 6 | 1 | 1 | 0 | |
| Interstitial compartment | 2 | 0 | 2 | 7 | |
| Alveolar compartment | 9 | 13 | 5 | 5 | |
| Bronchial compartment | 0 | 0 | 8 | 0 | |
| Alveolar lesions | Inflammation | PMN, macrophages, fibrin, giant and atypical cells | PMN, macrophages, fibrin, giant and atypical cells | PMN, macrophages, fibrin, rare atypical cells | PMN, macrophages, fibrin, hyaline membranes |
| Hemorrhage | + | − | + | − | |
| Bronchial lesions | Inflammation | / | / | Intra- and peri-bronchial: PMN, macrophages; rare red blood cells and desquamative epithelial cells | / |
| Interstitial lesions | Inflammation | PMN, macrophages, fibrin, giant cell, atypical cells | / | PMN, macrophages, fibrin | PMN, fibrin |
| Hemorrhage | + | / | + | − | |
| Fibrosis | + | / | + | + | |
| Vascular lesions | Thrombi | + | + | + | / |
| Affected vessels | Arterioles | Arterioles | Arterioles | / | |
| Other | PMN, fibrin, red blood cells | Fibrin | Fibrin, PMN | / | |
| Patient no. . | 1 . | 2 . | 3 . | 4 . | |
|---|---|---|---|---|---|
| No. of NET-infiltrating area identified | Total | 17 | 13 | 14 | 10 |
| Vascular compartment | 6 | 1 | 1 | 0 | |
| Interstitial compartment | 2 | 0 | 2 | 7 | |
| Alveolar compartment | 9 | 13 | 5 | 5 | |
| Bronchial compartment | 0 | 0 | 8 | 0 | |
| Alveolar lesions | Inflammation | PMN, macrophages, fibrin, giant and atypical cells | PMN, macrophages, fibrin, giant and atypical cells | PMN, macrophages, fibrin, rare atypical cells | PMN, macrophages, fibrin, hyaline membranes |
| Hemorrhage | + | − | + | − | |
| Bronchial lesions | Inflammation | / | / | Intra- and peri-bronchial: PMN, macrophages; rare red blood cells and desquamative epithelial cells | / |
| Interstitial lesions | Inflammation | PMN, macrophages, fibrin, giant cell, atypical cells | / | PMN, macrophages, fibrin | PMN, fibrin |
| Hemorrhage | + | / | + | − | |
| Fibrosis | + | / | + | + | |
| Vascular lesions | Thrombi | + | + | + | / |
| Affected vessels | Arterioles | Arterioles | Arterioles | / | |
| Other | PMN, fibrin, red blood cells | Fibrin | Fibrin, PMN | / | |
Some NET-infiltrating areas encompassed several compartments. /, not applicable (no NET detected in the indicated compartment); −, absent; +, present; PMN, polymorphonuclear leukocytes.