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Diagnostic criteria for ulcer entity
| Ulcer entity | Diagnostic basic criteria |
|---|---|
| Venous | Clinical presentation and ultrasound/duplex diagnostic |
| Arterial | Ankle‐brachial index (ABI) |
| Vasculitis | Histopathologic results from biopsies |
| Post‐traumatic | Anamnesis |
| Pyoderma gangraenosum | Diagnosis of exclusion with typical clinical appearance + biopsy |
| Lymphoedema | Clinical appearance |
| Neoplasm | Histopathologic results from biopsies |
| Post‐surgery | Anamnesis |
