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Tests and diagnosis
By Mayo Clinic staffIn most cases, your doctor can identify pityriasis rosea simply by looking at the rash. If there is doubt, a small scraping from a lesion may be taken for testing.
References
- Pityriasis rosea. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/dermatologic_disorders/psoriasis_and_scaling_diseases/pityriasis_rosea.html?qt=pityriasis&alt=sh. Accessed April 23, 2012.
- Goldstein AO, et al. Pityriasis rosea. http://www.uptodate.com/index. Accessed April 23, 2012.
- Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed April 23, 2012.
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed April 23, 2012.
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