Erythema Annulare Centrifugum (Deep Type): A Rare Case Report

Abstract

Erythema annulare centrifugum (EAC) is one of the figurate erythemas. It is uncommon inflammatory
condition characterized by annular or arcuate erythematous eruptions that slowly
enlarge centrifugally. It persists from few days to several months. It can recurrent. Here in we
present a 40-year-old-male otherwise healthy, is working as a nurse in leprosy hospital. He was
concerned from having leprosy. He developed recurrent asymptomatic skin lesions on his face
for the last 5 months. The lesions start as small pimples that are getting bigger every day. The
lesions last for few weeks and then disappear but recur again after weeks to months. Sensation
examination of the facial skin was normal. On palpation of periauricular nerves, there was
nerve hypertrophy. His older brother had similar skin lesions 10 years ago that lasted for few
months and then healed without treatment. Skin examination revealed multiple non-scaly annular
erythematous plaques, with variable sizes ranging from 2 cm to 4 cm on his face. Skin
biopsy showed normal epidermis. The dermis showed moderately dense perivascular and periadnexal
mononuclear cellular infiltrate in coat sleeve pattern in both upper and lower dermis.
Fite stain was negative. The patient was reassured.