Erythema Chronicum Migrans is feature of: (A) Lyme disease, (B) Leptospirosis, (C) Acute rheumatic fever, (D) Pancreatic Adenocarcinoma
Answer is A. Hallmark of primary Lyme disease is Erythema Migrans: OMacular expanding erythematous lesion, central clearing. OBegins one month after the tick bite. OMean diameter 15 cm. Painless, can cause itching. Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 378-380