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Francesca Cheung, MD CCFP, is a family physician with a special interest in dermatology. She received the Diploma in Practical Dermatology from the Department of Dermatology at Cardiff University in Wales, UK. She is practising at the Lynde Centre for Dermatology in Markham, Ontario and works closely with Dr. Charles Lynde, MD FRCPC, an experienced dermatologist. In addition to providing direct patient care, she acts as a sub-investigator in multiple clinical studies involving psoriasis, onychomycosis, and acne.
Granuloma annulare (GA) is a benign and usually self-limited cutaneous condition that classically presents as arciform to annular plaques in a symmetrical and acral distribution. The exact etiology of GA is unknown. Two-thirds of patients with GA are less than 30 years old. GA is recognized based on its characteristic appearance and no specific investigation is necessary. Reassurance and clinical observation may be the treatment of choice for localized and asymptomatic disease. Spontaneous resolution occurs within 2 years in 50% of cases. Persistent lesions may be treated with very potent topical corticosteroids, intralesional corticosteroid injections, or cryotherapy. Use of more toxic treatments are controversial in recalcitrant cases.
Keywords: Granuloma annulare, Overview, Paraneoplastic, Self-limiting, Treatment.
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