Table 1 |
||||
|
Classification of histological specimens with vasculitis from the San Juan de Dios Hospital, Bogotá, Colombia, 1953 – 1997, according to the Chapel Hill system [28] |
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| Vasculitis diagnosis |
Number N = 304 |
Frequencies per 100,000 histological specimens |
Percentages |
|
|
|
||||
| groups of vasculitis |
subgroups of vasculitis |
|||
|
|
||||
| I. Primary vasculitis |
104 |
62.8 |
34.2 |
|
|
|
||||
| A. Large vessel vasculitis |
1 |
0.6 |
1 |
|
|
|
||||
| 1. Giant cell (Temporal) arteritis |
1 |
0.6 |
||
|
|
||||
| B. Medium sized vessel vasculitis |
24 |
14.5 |
23.1 |
|
|
|
||||
| 1. Polyarteritis nodosa |
24 |
14.5 |
||
|
|
||||
| C. Small vessel vasculitis |
79 |
47.7 |
75.9 |
|
|
|
||||
| 1. Wegener's granulomatosis |
3 |
1.8 |
||
|
|
||||
| 2. Churg-Strauss syndrome |
2 |
1.2 |
||
|
|
||||
| 3. Microscopic polyangiitis |
1 |
0.6 |
||
|
|
||||
| 4. Henoch-Schönlein purpura |
9 |
5.4 |
||
|
|
||||
| 5. Cutaneous leukocytoclastic vasculitis |
64 |
38.7 |
||
|
|
||||
| II. Not classified vasculitis |
200 |
120.8 |
65.8 |
|
|
|
||||
| Total |
304 |
183.6 |
100 |
|
|
|
||||
|
Patarroyo et al. Journal of Autoimmune Diseases 2009 6:1 doi:10.1186/1740-2557-6-1 |
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