Peripheral T cell Lymphoma Prognosis PTCL-U    

PIT

Age>60                             Group 1  0   risk factors
LDH>normal                      Group 2  1   risk factor   
PS 2-4                               Group 3  2   risk factors
Bone marrow involvement   Group 4 3/4 risk factors

Peripheral T-cell lymphoma unspecified (PTCL-U): a new prognostic model from a retrospective multicentric clinical study
Andrea Gallamini, et.al.
Blood 2004 103:2474-2479; doi:10.1182/blood-2003-09-3080
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mPIT

Age>60              Group 1   0/1  factors
PS>2-4              Group 2   2     factors
LDH>normal       Group 3   3/4  factors
Ki67>80%

Went P, et.al.Marker expression in peripheral T-cell lymphoma:
a proposed clinical-pathologic prognostic score.
J Clin Oncol 2006;24:2472-2479
IPTCLP
                                               5y FFS                    5y  OFS
​Age >60I       0-1 factors                19%                        27%
PS > 1              2 factors                10%                        19%
Plt <150kIII      3 factors                  5%                        12%

International Peripheral T-Cell Lymphoma (PTCL)
Clinical and Pathologic Review Project:
Poor Outcome by Prognostic Indices and
Lack of Efficacy with Anthracyclines.
Julie M. Vose,
Blood  2005  106:811