Resumo

PEREZ-CARRILLO, Vanessa  e  RONDON-CARVAJAL, Julián. General approach of the patient with erythema nodosum. CES Med. [online]. 2020, vol.34, n.1, pp.53-63. ISSN 0120-8705.  https://doi.org/10.21615/cesmedicina.34.1.5.

Erythema nodosum is a reaction of cutaneous hypersensitivity consisting of erythematous nodules, sensitive to palpation, which are usually found on the pretibial region, but which can also involve thighs, upper limbs, buttocks and face. Fever and arthralgia can be concomitant manifestations. The lesions appear in the form of isolated plaques or become confluent, then evolve into painful nodules over several days. Usually, it has an acute course, although chronic, recurrent, rare presentations have been described. Microscopic examination of the lesions shows septal panniculitis without vasculitis. Classically, is considered the herald of an underlying systemic condition (infectious or autoimmune) or a reactive skin phenomenon after exposure to a toxic or drug has been considered; hence the importance of knowing its diagnostic approach by the primary care physician.

Palavras-chave : Erythema nodosum; Panniculitis; Sarcoidosis.

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