Mycosis fungoides, which is not true
Mycosis fungoides is a cutaneous T cell lymphoma Etiology: - Unknown, sometime HTLV I virus- It is MC cutaneous lymphoma C/F: Characterized by polymorphic patches and plaques usually seen on limb, the breast and buttocks It is characterized by subtle, fine, scaly and atrophic erythematous patches. Histological findings : 1. Sezary cells - Sezary cell are malignant lymphocytes with increased cell size and convoluted nucleus aka Cerebriform nucleus 2. Epidermo tropism - affection to move towards the epidermis3. Pautrier's microabscess Prognosis: poor (fatal) T/t - Radiotherapy - full skin electron beam therapy
Most common cause of cutaneous lymphoma
Pautier's Microabscess
Indolent course & good prognosis
Erythroderma seen & spreads to peripheral circulation
Tumours of skin