Table 2

Classification of histological specimens with vasculitis from the San Juan de Dios Hospital, Bogotá, Colombia, 1953 – 1997, according to the scheme of Lie [27]
Vasculitis diagnosis
 Number
N = 304
 Frequencies
per 100,000 histological specimens
 Percentages






groups of vasculitis
 subgroups of vasculitis
I. Primary vasculitis
 142
 74
 46.7
     A. Affecting large, medium and small sized blood vessels
 1
 0.6
0.7
          1. Giant cell (Temporal) arteritis
 1
 0.6

     B. Affecting predominantly medium and small-sized blood vessels
 29
 17.5
20.4
          1. Polyarteritis nodosa
 24
 14.5

          2. Churg-Strauss syndrome
 2
 1.2

          3. Wegener's granulomatosis
 3
 1.8

     C. Affecting predominantly small-sized blood vessels
 74
 44.7
52.1
          1. Microscopic polyangiitis
 1
 0.6

          2. Henoch-Schönlein purpura
 9
 5.4

          3. Cutaneous leukocytoclastic angiitis
 64
 38.7

     D. Miscellaneous conditions
 38
 23
26.8
          1. Buerger's disease
 38
 23

II. Secondary vasculitides
 55
 33.2
 18.1
          1. Infection-related vasculitis
 20
 12.1

          2. Connective tissue disease vasculitis
 33
 20

          3. Hypocomplementemic urticarial vasculitis
 1
 0.6

          4. Vasculitis associated with neoplasia
 1
 0.6

III. Unclassified vasculitis
 107
 64.6
 35.2
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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