histologic classification of the panniculitides and the most common CTDs associated with each
- • Septal panniculitis: erythema nodosum (R/O sarcoidosis), α1-antitrypsin deficiency.
- • Lobular panniculitis:
- • With vasculitis: erythema induratum/nodular vasculitis.
- • Without vasculitis: Weber–Christian syndrome (relapsing febrile nodular nonsuppurative panniculitis), enzymatic panniculitis attributable to pancreatic enzymes, and connective tissue panniculitis.
- • Mixed panniculitis: lupus profundus.