• Int. J. Dermatol. · Aug 2015

    Long-term follow-up and epidemiological trends in patients with pretibial myxedema: an 11-year study from a tertiary care center in northern India.

    • Muthu Sendhil Kumaran, Pinaki Dutta, Uma Sakia, and Sunil Dogra.
    • Department of Dermatology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
    • Int. J. Dermatol. 2015 Aug 1; 54 (8): e280-6.

    IntroductionPretibial myxedema (PTM) is a rare manifestation of Graves' disease. There is paucity of data regarding long-term follow-up and response to treatment in PTM.Materials And MethodsRetrospective study wherein 30 patients of PTM presenting during 2001-2011 attending dermatology and endocrinology outpatient departments were analyzed.ResultsAmong 30 patients with PTM, 12 were males and 18 females with a ratio of 1 : 1.5 males/females. Four morphological forms were identified: plaques (18 patients), diffuse non-pitting edema of both lower legs (five), nodules (five), and elephantiasis lesions (two). Eighty percent were diagnosed with hyperthyroidism before the development of dermopathy. Twenty-six patients presented with ophthalmopathy. Fourteen patients with plaque had an excellent response to topical clobetasol propionate ointment and attained complete resolution by 3.6 years. Out of 16 patients treated with combination therapy, which included nine treated with topical corticosteroids/intralesional triamcinolone and seven treated with oral, intralesional, and topical corticosteroids, nine attained complete resolution in the lesions by 3.4 years, and none relapsed anytime during four years of post-treatment follow-up. However, the remaining patients (elephantiasis and diffuse forms) failed to achieve complete resolution.ConclusionsPlaques and nodules are common variants with a favorable clinical response to topical and intralesional corticosteroid; elephantine and diffuse forms responded poorly to therapy. Studies analyzing larger cohorts of patients with PTM and their long-term follow-up are limited, hence more such studies are required.© 2015 The International Society of Dermatology.

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