<prompt> Mycosis fungoides, which is not trueMost common cause of cutaneous lymphomaPautiers MicroabscessIndolent course good prognosisErythroderma seen spreads to peripheral circulation  <response>: Mycosis fungoides is a cutaneous T cell lymphoma Etiology: - Unknown, sometime HTLV I virus- It is MC cutaneous lymphoma CF: 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. Pautriers microabscess Prognosis: poor fatal Tt - Radiotherapy - full skin electron beam therapy 