Erschienen in:
24.07.2017 | Sine qua non Clinicopathologic Correlation
Large Cell Transformation of Oral Mycosis Fungoides
verfasst von:
Ahmed S. Sultan, Behzad Mostoufi, John C. Papadimitriou, Rima Koka, John Basile, Rania H. Younis
Erschienen in:
Head and Neck Pathology
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Ausgabe 2/2018
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Abstract
Mycosis fungoides (MF) accounts for approximately 50% of all primary cutaneous lymphomas. MF occurrence in the oral cavity is extremely rare with approximately 45 cases reported to date. We present a case of a 68 year-old man with a raised nodular lesion of the ventral tongue with clinical impression of irritational fibroma. Histopathologic and immunohistochemical (IHC) examination revealed a phenotype consistent with MF with large cell transformation in the context of Sezary syndrome. The histological diagnosis of oral MF requires a high index of suspicion and IHC panel to rule out large cell transformation. To our knowledge, only four cases of large cell transformation of oral MF have been reported in the English literature. The clinical and histopathologic features of a rare case of intra-oral MF with large cell transformation are exemplified in this article.