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  • Title: Papular mycosis fungoides: two new cases of a recently described clinicopathological variant of early mycosis fungoides.
    Author: Martorell-Calatayud A, Botella-Estrada R, Sanmartín-Jimenez O, Requena C, Guillén-Barona C, Sangüeza OP.
    Journal: J Cutan Pathol; 2010 Mar; 37(3):330-5. PubMed ID: 19737334.
    Abstract:
    BACKGROUND: Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma. In early stages of the disease many different clinicopathologic variants have been observed. Currently, a papular variant of MF which is characterized by a good prognosis has been described. OBJECTIVE AND METHODS: Because only seven cases have been reported in the literature, clinical and morphological data of this variant are not well established. We report the clinical and histopathological characteristics of two new patients with papular mycosis fungoides and review the previous cases reported in the literature. RESULTS: The two cases of this early variant of MF were characterized by the presence of papules which, unlike the papules of lymphomatoid papulosis, did not show a tendency for spontaneous resolution. Histologic examination confirmed the diagnosis of MF in all cases. Immunohistochemical staining for CD30 was negative in all two cases. Follow-up data of our two patients confirmed the non-aggressive behavior of the disease, confirming that the lesions were not manifestations of advanced MF. CONCLUSION: Papular MF is a new variant of early MF characterized by a good prognosis in the long term follow- up. Thus, it should be added to the long list of clinicopathologic subtypes of MF.
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