This guideline is written to assist in the management of adult patients with mature T-cell and NK-cell lymphomas. The guideline covers generic issues such as presentation, diagnosis, staging and prognosis. The various T-cell malignancies are described in turn, in accordance with the WHO classification. With regard to management, each individual diagnosis is discussed and guidance is given on first line treatment and the treatment of relapsed disease.  

This guideline is an updated version of the 2011 guideline. 

Declaration of Interests

The BSH paid the expenses incurred during the writing of this guidance. None of the authors had conflicts of interest to declare. All authors have made a declaration of interests to the BSH and Task Force Chairs which may be viewed on request.