Table 2.
Classification criteria in childhood vasculitides
| Henoch-Schonlein purpura/IgA vasculitis classification criteria |
| Purpura or petechiae (mandatory) more extensive in the lower extremities and one of the following four criteria. |
| Abdominal pain |
| Histopathology (Iga accumulation on biopsy) |
| Arthritis or arthralgia |
| Renal involvement |
| Kawasaki disease diagnostic criteria |
| Fever (mandatory) in addition to four of the following five criteria |
| Non- purulent conjunctivitst |
| Mucosal changes |
| Cervical lymphadenopathy |
| Polymorphic rash on the trunk |
| Extremity changes |
| Takayasu arteritis classification criteria |
| Aneurysm or dilatation in the aorta or its main branches and pulmonary artery shown by angiography (mandatory) plus one of the following five criteria. |
| Pulsenessness or claudication |
| Blood pressure difference in four extremities |
| Hearing of murmur |
| Hypertension |
| Increased acute phase response |
| Polyarteritis nodosa classification criteria |
| Histopathological or angiographic abnormalities (mandatory) plus one of the following five criteria. |
| Cutaneous involvement |
| Myalgia/muscle tenderness |
| Hypertensiyon |
| Peripheral neuropathy |
| Renal involvement |
| Granulomatous polyangiitis classification criteria (at least three of six criteria) |
| Histopathology (granulomatous inflammation) |
| Upper respiratory tract involvement |
| Laryngotracheobronchial obstruction |
| Lung involvement |
| ANCA positivity |
| Renal involvement |
| Classification criteria for primary vasculitis of the central nervous system |
| Acquired neurological or psychiatric finding which can not be explained by another cause |
| Histopathological or angiographic changes indicating vasculitis in CNS. |
| Absence of systemic vasculitis or any disease which could cause to these patological changes in CNS |