DDx Panniculitis
- Septal
- Erythema nodosum (most common panniculitis)
- Dermal
processes extending into dermis
- NLD
- Scleroderma
- Lobular
- Vasculitic
- Erythema induratum
- Lupus
paniculitis (usually involves dermis as well)
- Non-vasculitic
- Subcutaneous
fat necrosis of the newborn
- Factitial panniculitis