Where in the World Did You Get That Rash

1. Panteha Eshtiaghi, HBSc* 2. Miriam Weinstein, MD, FRCPC† 1. *Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada 2. †Hospital for Sick Children, Toronto, Ontario, Canada * Abbreviations: ACD: : allergic contact dermatitis CD: : cercarial dermatitis CL: : cutaneous leishmaniasis CLM: : cutaneous larva migrans DF: : dengue fever HFMD: : hand, foot, and mouth disease HSV: : herpes simplex virus KD: : Kawasaki disease PCR: : polymerase chain reaction PR: : pityriasis rosea RT-PCR: : reverse transcriptase polymerase chain reaction The challenge to diagnose cutaneous eruptions and lesions in patients who have spent time in foreign countries is increasingly common. With the advent of increased global travel, foreign adoptions, immigration, and refugee seekers, rashes that were once relegated to the realm of the exotic and likely to show up in a tropical diseases clinic may now present to a general pediatrician. Furthermore, the pediatric traveler is at increased risk for dermatoses. (1) It behooves the practitioner to be aware of these skin findings, to be able to recognize them and distinguish them from other skin conditions. After completing this article, readers should be able to: 1. Identify and classify rashes by main morphologic patterns. 2. Develop a broad differential diagnosis and diagnostic approach for a rash in a returned pediatric traveler based on initial morphology, history, epidemiology, and other clinical features. 3. Consider both infectious and noninfectious causes of skin disorders presenting in a patient with a travel history. 4. Outline the basic investigations and principles of management for travel-acquired and non–travel-acquired dermatologic illnesses. 5. Discuss …