Predominantly septal panniculitis without vasculitis
Type Etiology Pathogenesis Reference Type Etiology Pathogenesis Reference Type Etiology Pathogenesis Reference Type Etiology Pathogenesis Reference
Erythema nodosum Idiopathic, Streptococcal infections, viral upper respiratory tract infection, Coccidioidomycosis, Sarcoidosis, drugs, inflammatory bowel disease Hypersensitivity type III / IV reaction (182)
Scleroderma Idiopathic, an overproduction and accumulation of collagen in connective tissue due to immune system complications Lymphocyte- and plasma cell-mediated reaction (182)
α1-antitrypsin deficiency panniculitis α1-antitrypsin deficiency Neutrophil-mediated (183)