<prompt> Mycosis fungoides is? -T cell lymphomaB cell lymphomaMixedPlasma cell tumour  <response>: Mycosis fungoides is a slowly evolving cutaneous T cell lymphoma occuring in middle aged adult males. The condition is often preceded by eczema or dermatitis for several years. This is followed by infilteration by CD4T cells in the epidermis and dermis as a plaque. Reference ; HARSH MOHAN TEXTBOOK OF PATHOLOGY, 7TH EDITION.PG NO. 359 