Oral mucosal morphea: a new variant

Tang, M M; Bornstein, M M; Irla, N; Beltraminelli, H; Lombardi, T; Borradori, L (2012). Oral mucosal morphea: a new variant. Dermatology, 224(3), pp. 215-20. Basel: Karger 10.1159/000337554

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Morphea is a cutaneous disorder characterized by an excessive collagen deposition. While in almost all cases the sclerosing process exclusively affects the skin, there are anecdotal cases in which associated mucosal involvement has been described. We here report the case of a woman developing a whitish indurated plaque over the left upper vestibular mucosa and hard palate leading to dental mobility and exposure of the roots of several teeth. Cone beam computed tomography of the left maxilla showed bone resorption involving the upper cuspid to the second molar region with widened periodontal ligament spaces, while light microscopy studies demonstrated epithelial atrophy and fibrosis of the dermis extending into the submucosa with hyalinization of subepithelial collagen. Our observation expands the spectrum of clinical presentations of morphea and provides the first example of isolated oral morphea. Its recognition is important to avoid significant local complications.

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