<prompt> Which of the following is not a B cell neoplasm?Hairy cell leukemiaMycosis fungoidesMantle cell lymphomaBurkitts lymphoma  <response>: Mycosis fungoides is a Mature T and NK cell neoplasm. Mature T and NK cell neoplasm T cell prolymphocytic leukemia Mycosis fungoides Sezary syndrome Aggressive NK - cell leukemia Systemic EBV 4 T - cell lymphoma of Childhood Adult T - cell leukemia lymphoma Follicular T - cell lymphoma 