Mycosis fungoides (MF) represents the most common epidermotropic cutaneous T-cell lymphoma (CTCL), and tumor cells typically express a mature T-helper memory phenotype. A minority of MF patients display an unusual phenotype, which may be either CD4(-)/CD8(+) or double negative. Herein, we report a case of biopsy-proven MF in a 31-year-old woman who presented with infiltrated plaques involving photoprotected areas of the skin. Immunohistochemical study combined with confocal microscopy revealed co-expression of CD4 and CD8 in a subset of atypical T lymphocytes. To our knowledge, this is the second report of a CD4/CD8 dual-positive MF.
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Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Massone, C.
Crisman, G.
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Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Univ Aquila, Dept Dermatol, I-67100 Laquila, ItalyMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Crisman, G.
Kerl, H.
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Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Kerl, H.
Cerroni, L.
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Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
机构:
Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Massone, C.
Crisman, G.
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h-index: 0
机构:
Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Univ Aquila, Dept Dermatol, I-67100 Laquila, ItalyMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Crisman, G.
Kerl, H.
论文数: 0引用数: 0
h-index: 0
机构:
Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria
Kerl, H.
Cerroni, L.
论文数: 0引用数: 0
h-index: 0
机构:
Med Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, AustriaMed Univ Graz, Dept Dermatol, Res Unit Dermatopathol, A-8036 Graz, Austria