erythema nodosum erythema no·do·sum (nō-dō'səm)
A skin disease associated with joint pain, fever, hypersensitivity, or infection, and characterized by small, painful, pink to blue nodules under the skin and on the shins that tend to recur.
How are the lesions of erythema nodosum to be distinguished from these several conditions?
Purpura rheumatica presents, as has been shown, many points of resemblance to erythema multiforme and erythema nodosum.
Is there any special region of predilection for the eruption of erythema nodosum?
From erythema simplex, erythema multiforme, erythema nodosum, and erysipelas.
Kaposi2 regards it as related to erythema nodosum, with which affection, indeed, it possesses some features in common.
This is supposed to indicate a relationship with erythema nodosum and multiforme.