Abstract
Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma. The diagnosis of classic MF is based on a combination of clinical presentation, histopathology, immunohistochemistry, and T-cell monoclonality detected by molecular studies. However, the diagnosis can be difficult in some cases. We report a case of hyperpigmented mycosis fungoides. A 60-year-old woman, phototype IV, presented for more than 4 years a history of asymptomatic hyperpigmented non- infiltrated plaques on the face. Cutaneous lupus was diagnosed based on a skin biopsy. Hydroxychloroquine and photoprotection was started. Considering non improvement, another biopsy was done, in favor of a mycosis fungoides CD3+, CD4+, CD8-. The diagnostic of hyper pigmented mycosis fungoides stage I was retained and topical steroid was introduced. Mycosis fungoides can appear in various clinical forms, the hyperpigmented form is rare but this diagnosis should be evoked.
Highlights
Mycosis fungoides (MF) is the most common type of cutaneous Tcell lymphoma
The diagnosis of classic MF is based on a combination of clinical presentation, histopathology, immunohistochemistry, and T-cell monoclonality detected by molecular studies
We report a case of hyperpigmented mycosis fungoides
Summary
Mycosis fungoides (MF) is the most common type of cutaneous Tcell lymphoma. The diagnosis of classic MF is based on a combination of clinical presentation, histopathology, immunohistochemistry, and T-cell monoclonality detected by molecular studies. Received: 04/05/2013 - Accepted: 07/05/2013 - Published: 07/05/2013 Mycosis fungoides (MF) is the most common type of cutaneous Tcell lymphoma.
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