Authors:
Surtie F, MBChB, Rehman HU*, FRCPC, FRCPI, FRCP (Glass), FACP
Affiliation(s):
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
Dates:
Received: August 25, 2014; Accepted: August 26, 2014; Published: August 28, 2014
*Corresponding author:
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: @
Citation:
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
Copyright:
© 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.
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Abstract Text

Main article text

A 21-month old age girl presented with asymptomatic lesions on her right arm of 4 days duration. She denied sore throat, fever and cough and no lesions were found anywhere else including buccal mucosa. She had not taken any medications recently.

  1. Figure 1:
    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.
  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.
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.


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