Histopathological findings in patients with WG
| Sample | Granuloma | Giant cells | Necrotising vasculitis | Connective tissue necrosis | Granulation tissue | Lymphoid follicles |
|---|---|---|---|---|---|---|
| *Mucosa = nasopharyngeal mucosa. | ||||||
| Score: – = none; ± = only a few; + = some; ++ = many. | ||||||
| Patient group | ||||||
| 1, lung | + | – | + | ++ | + | + |
| 2, lung | ++ | ++ | ++ | ++ | + | – |
| 3, lung | + | – | ++ | + | + | ++ |
| 4, skin | – | – | + | – | – | – |
| 5, skin | – | – | ++ | + | ++ | – |
| 6, skin | – | – | + | – | – | – |
| 7, mucosa* | + | + | + | + | + | – |