Panniculitis is classically divided into Septal and Lobular but there is considerable overlap and sampling error.Erythema nodosum is the architypical septal panniculitis while Pancreatic fat necrosis is virtually always lobular.
S-Squamous
I-Infective Erythema induratum,Erythema nodosum,Bacterial,Fungal and parasitic panniculitis
G-Granulomatous Rheumatoid nodule,Sarcoidosis,
N-Neoplastic Leukemic panniculitis,Lymphoma,
D-Drugs Post steroid panniculitis,
I-Immunological Eosinophilic panniculitis,Lupus panniculitis,SCleroderma,
P-Physical Cold panniculitis,Factitial panniculitis,Foreign body granuloma,Lipomembranous panniculitis,Subcutaneous fat necrosis of the newborn,
M-Metabolic Alpha-1 antitrypsin deficiency,Calciphylaxis,Lipodystrophy,Panceatic fat necrosis,Sclerema neonatorum,
E-Endocrine
N-Nutritional
Others Polyarteritis nodosa,Superficial thrombophlebitis,Weber-Christian disease