Necrobiosis Lipoidica

**Definition:** A degenerative disease of the dermal connective tissue characterized by the development of erythematous papules or nodules in the pretibial area. The papules form plaques covered with telangiectatic vessels. More than half of the affected patients have diabetes.

**Tree numbers:** - C17.300.200.495.545 - C17.800.550.545 - C17.800.849.495 - C18.452.880.495