• M Beylot-Barry, O Dereure, B Vergier, S Barete, L Laroche, L Machet, M-H Delfau-Larue, M D'Incan, F Grange, N Ortonne, J-P Merlio, M Bagot, and pour le Groupe français d’étude des lymphomes cutanés (GFELC).
• Hôpital Haut-Lévêque, CHU de Bordeaux, Pessac, France. marie.beylot-barry@chu-bordeaux.fr
• Ann Dermatol Vener. 2010 Oct 1;137(10):611-21.

BackgroundClassification of diagnostic methods, of initial staging and of the treatment of primary cutaneous T-cell lymphomas, particularly the most common epidermotropic forms, constitutes an essential step in rationalising therapeutic practice and in evaluating the results of treatment.Patients And MethodsWe carried out an analysis of the literature and of existing recommendations in order to create recommendations regarding the diagnosis, initial staging and treatment of primary T-cell lymphomas.ResultsWe present the key elements of diagnosis and initial staging. The selected therapeutic strategy, which necessarily changes over time, must avoid both unnecessarily aggressive early treatment as well as an overly timid therapeutic approach that could allow lesions to rapidly progress towards more advanced stages. Regular reassessment of the benefit/risk ratio is necessary and involves the use of first- and second-line measures, in which it is difficult to establish any hierarchy, with the current tendency favouring in particular combined therapy as second-line treatment in order to limit the toxicity of each individual constituent drug within the combination. The creation of a national SPC marks significant progress in difficult cases.ConclusionAs a result of the offer, limited level of proof in existing studies, which are generally unsatisfactory in terms of methodology, the new recommendations described herein are timely and should be updated regularly in accordance with advances in knowledge. The organisation of clinical trials and validation of the scoring systems currently being developed should be encouraged.Copyright © 2010 Elsevier Masson SAS. All rights reserved.

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