PityriasisRosea.docx

PityriasisRosea.docx - Pityriasis Rosea Tshona Corbin What...

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Pityriasis Rosea Tshona Corbin What it is: A common self-limited, benign papulosquamous disease of fine, rose-colored scales; may resemble secondary syphilis. Pathophysiology: Seems to have a viral cause, but no specific virus has been implicated. It is commonly associated with upper respiratory tract infections, immunocompromised patients, or presents in cluster outbreaks of people who are in close contact with each other. High stress levels, several types of medication, and occasionally vaccines, have all been thought to bring on eruptions. One outbreak seems to confer lifelong immunity. Epidemiology: Accounts for 2% of outpatient dermatologic patients. It is more common in the fall and spring in temperate climates, and in the summer in regions with hot, dry seasons. It is twice as common in women as men, and most patients are 10-35 years old. History and Physical Exam Findings: Begins with single, salmon-colored macule (herald patch) that enlarges over a few days to a patch of fine scales inside a well-demarcated border; 2-10 cm in diameter
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This note was uploaded on 02/18/2012 for the course PAS 600 - 601 taught by Professor Garrubba during the Fall '10 term at Chatham University.

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PityriasisRosea.docx - Pityriasis Rosea Tshona Corbin What...

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