Photo Quiz

An Annular Lesion on the Elbow

 


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Am Fam Physician. 2016 Mar 1;93(5):397-398.

A 28-year-old woman presented with a fleshy, erythematous eruption with an annular configuration on her elbow that began 10 months earlier. The lesion was asymptomatic and had slowly increased in size. Her medical history was unremarkable, and she had no history of trauma.

Physical examination revealed erythematous, annular, nonscaly plaques with elevated and indurated borders (Figure 1). The plaques were composed of small flesh-colored papules and were localized to the right elbow.


Figure 1.

Question

Based on the patient's history and physical examination findings, which one of the following is the most likely diagnosis?

A. Granuloma annulare.

B. Nummular eczema.

C. Pityriasis rosea.

D. Plaque psoriasis.

E. Tinea corporis.

Discussion

The answer is A:

Address correspondence to Alexander K.C. Leung, MBBS, at aleung@ucalgary.ca. Reprints are not available from the authors.

Author disclosure: No relevant financial affiliations.

REFERENCES

show all references

1. Leung AK, Barankin B. Granuloma annulare. Int J Paediatr Child Health. 2013;1(1):15–18....

2. Thornsberry LA, English JC III. Etiology, diagnosis, and therapeutic management of granuloma annulare: an update. Am J Clin Dermatol. 2013;14(4):279–290.

3. Ghadially R. Granuloma annulare clinical presentation. July 24, 2015. Medscape. http://emedicine.medscape.com/article/1123031-clinical#b5. Accessed December 7, 2015.

4. Wu W, Robinson-Bostom L, Kokkotou E, Jung HK, Kroumpouzos G. Dyslipidemia in granuloma annulare: a case-control study. Arch Dermatol. 2012;148(10):1131–1136.

This series is coordinated by John E. Delzell, Jr., MD, MSPH, Assistant Medical Editor.

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