Authors:
Surtie F, MBChB, Rehman HU*, FRCPC, FRCPI, FRCP (Glass), FACP
Dr HU Rehman, Clinical Associate Professor, Department of Medicine, Regina Qu'Appelle Health Region, Regina General Hospital, 1440 – 14th Avenue, Regina, SK, S4P 0W5, Canada
Received: August 25, 2014; Accepted: August 26, 2014; Published: August 28, 2014
Dry HU Rehman, Clinical Associate Professor, Department of Medicine, Regina Qu'Appelle Health Region, Regina General Hospital, 1440 – 14th Avenue, Regina, SK, S4P 0W5, Canada, Tel: 13065664120; Fax: 13065664150; Email:
Surtie F, Rehman HU, FRCPC, FRCPI, FRCP (Glass), FACP (2014) Target (Iris) Lesions of Erythema Multiforme. Imaging J Clin Med Sciences 1(2): 012. DOI: 10.17352/2455-8702.000008
© 2014 Surtie F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Abstract Text
Figure 1:
Figure 2:
Q 1: What is the diagnosis?
A: Sharply demarcated, round, red/pink macules target lesions of Erythema Multiforme. The typical target (iris) lesion of EM has a sharp margin, round shape and concentric colour zones.
Q 2: What triggers it?
A 2: Erythema multiforme (EM) is a hypersensitivity reaction usually triggered by infections and drugs. Herpes simplex is the most common triggering infection. It is self-limiting and resolves without complications. Many drugs have been implicated, most common being barbiturates, non-steroidal anti-inflammatory drugs, penicillins, sulphonamides, phenothiazines and anticonvulsants.