Pityriasis Rotunda Diagnosed in Canada: Case Presentation and Review of the Literature

Background: Pityriasis rotunda is a rare cutaneous disorder characterized by scaly, circular, well-demarcated, hypo- or hyperpigmented, fine plaques over the trunk and extremities. Objective: We present a case of pityriasis rotunda in a 44-year-old African-Canadian woman who presented to a community...

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Bibliographic Details
Published in:Journal of cutaneous medicine and surgery 2013-11, Vol.17 (6), p.426-428
Main Authors: Zur, Rebecca L., Shapero, Jonathan, Shapero, Harvey
Format: Article
Language:English
Subjects:
Adult
Biopsy
Dermatology
Diagnosis, Differential
Female
Humans
Medical diagnosis
Ontario
Pityriasis - diagnosis
Skin - pathology
Skin diseases
Studies
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Summary:Background: Pityriasis rotunda is a rare cutaneous disorder characterized by scaly, circular, well-demarcated, hypo- or hyperpigmented, fine plaques over the trunk and extremities. Objective: We present a case of pityriasis rotunda in a 44-year-old African-Canadian woman who presented to a community dermatology practice in Toronto. Results: Pityriasis rotunda has been well described in Japan, Italy, and South Africa. It is extremely rare in North America, with nine reported cases to date, the majority of which were diagnosed in the United States. Conclusion: Pityriasis rotunda is a rare cutaneous disorder associated with systemic disease. To the best of our knowledge, this is the second report of pityriasis rotunda diagnosed in Canada.
ISSN:1203-4754
1615-7109
DOI:10.2310/7750.2013.13013