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Dermatology Online Journal

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Lichen sclerosus et atrophicus


Morphea and lichen sclerosus et atrophicus (LSA) have similar clinical presentations. Reports of patients with overlapping clinical and histopathologic features of both conditions have led some to speculate that they may represent different presentations along the same disease spectrum. It has been postulated that there is a common etiologic agent, which may involve autoimmunity, response to trauma, or infection. The link between Borrelia infection and both morphea and LSA has been widely studied but remains controversial. We present a case of a patient with lesions characterized by overlapping features of morphea and LSA with rapid decrease in joint mobility.

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