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Classical mycosis fungoides is the most common type of mycosis fungoides, a form of cutaneous T-cell lymphoma, and is characterised by slow progression from patches to more infiltrated plaques and eventually to tumours. The disease first manifests by skin lesions consisting of flat patches, preferentially located asymmetrically on the buttocks and other sun-protected areas (lower trunk and thighs, and the breasts in women). In the later stages of the disease, infiltrated plaques and red-violet, dome-shaped tumours or generalised erythroderma may develop. Lymph nodes are the most frequent site of extracutaneous involvement. Visceral involvement (liver, lung, and bone marrow) may also occur. The aetiology remains unknown.
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Classical mycosis fungoides is the most common type of mycosis fungoides, a form of cutaneous T-cell lymphoma, and is characterized by slow progression from patches to more infiltrated plaques and eventually to tumors. The disease first manifests by skin lesions consisting of flat patches, preferentially located asymmetrically on the buttocks and other sun-protected areas (lower trunk and thighs, and the breasts in women). In the later stages of the disease, infiltrated plaques and red-violet, dome-shaped tumors or generalized erythroderma may develop. Lymph nodes are the most frequent site of extracutaneous involvement. Visceral involvement (liver, lung, and bone marrow) may also occur. The etiology remains unknown.
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