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Table 3 Histological specimens with vasculitis from the San Juan de Dios Hospital, Bogotá, Colombia, 1953 – 1997, according to a clinical-pathological correlation of vasculitis [92]

From: Are classification criteria for vasculitis useful in clinical practice? Observations and lessons from Colombia

Vasculitis diagnosis Number
N = 304 		Frequencies
per 100,000 histological specimens 		Percentages
    groups of vasculitis subgroups of vasculitis
1. Leukocytoclastic vasculitis 107 64.6 35.2  
   1.1. Erythema elevatum diutinum 1 0.6   0.9
   1.2. Secondary to diseases 42 25.4   39.3
1.2.1. SLE 14 8.5   
1.2.2. PM/DM 14 8.5   
1.2.3. Diffuse/limited scleroderma 5 6.7   
1.2.4. Henoch-Schönlein purpura 9 5.4   
   1.3 Livedoid leukocytoclastic vasculitis 5 3   4.7
   1.4. Idiopathic 59 35.6   55.1
2. Lymphomonocitic's vasculitis 53 32 17.4  
   2.1. Schamberg's purpura 1 0,6   1.9
   2.2. Chronic urticaria, associated 1 0.6   1.9
   2.3. Idiopathic 51 30.8   96.2
3. Nodular vasculitis 19 11.5 3.6  
   3.1. Erythema nodosum 7 4.2   36.8
   3.2. Granulomatous panniculitis 2 1.2   10.5
   3.3. Vasculitis in panniculitis 4 2.4   21.1
   3.4. Idiopathic 6 3.6   31.6
4. Granulomatous vasculitis 11 6.6 3.6  
   4.1. Wegener's granulomatosis 3 1.8   27.3
   4.2. Churg Strauss 2 1.2   18.2
   4.3. Lymphomatoid granulomatosis (lung) 1 0.6   9.1
   4.4. Granuloma annulare 1 0.6   9.1
   4.5. Giant cell (Temporal) arteritis 1 0.6   9.1
   4.6. Idiopathic 3 1.8   27.3
5. Polyarteritis nodosa 24 14.5 7.9  
   5.1. Generalized 16 4.8   66.7
   5.2. Cutaneous 8 9.7   33.3
6. Vasculitis like diseases 4 2.4 1.3  
   6.1. Arterio-embolism 4 2.4   100
7. Infection-related vasculitis 20 12.1 6.6  
   7.1. Mycobacterium 12 7.2   60
   7.2. Bacterial infections 8 4.8   40
8. Microscopic polyangiitis 1 0.6 0.3  
9. Thromboangiitis obliterans 38 23 12.5  
10. Unclassified vasculitis 27 16.3 8.9  
TOTAL 304   100  
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