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Table 6 Differential diagnosis of cutaneous ulcers

From: Vascular ossification – calcification in metabolic syndrome, type 2 diabetes mellitus, chronic kidney disease, and calciphylaxis – calcific uremic arteriolopathy: the emerging role of sodium thiosulfate

Drug reactions:
Warfarin
Circulatory Disorders:
Venous stasis
Peripheral arterial disease
Necrotizing vasculitis – Collagen vascular diseases -
Infectious endocarditis with septic emboli
Cholesterol emboli
CALCIPHYLAXIS (CPLX) – CALCIFIC UREMIC ARTERIOLOPATY (CUA)
Diabetes: (T1DM – T2DM)
Peripheral neuropathy
Peripheral vascular disease accelerated atherosclerosis (atheroscleropathy) ASO Insulin injection sites (sharp trauma) Necrobiosis lipoidica diabeticorum?
Trauma
Sharp – Blunt – pressure ulcers at pressure points due to immobilization
Thermal (Hot or Cold [cryoglobulinaemia]) – Radiation
Radiation therapy
Miscellaneous
Brown Recluse spider bite
Malignant tumors
Inflammatory Diseases
Collagen Vascular Diseases – Necrotizing vasculitis specifically SLE, systemic sclerosis (Scleroderma) Pyoderma gangrenosum usually associated with chronic inflammatory diseases such as: ulcerative colitis, Crohn's disease, and rheumatoid arthritis