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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Am J Surg Pathol. 2010 Feb;34(2):178. doi: 10.1097/PAS.0b013e3181cc7e79

Table 3.

PD-1 immunoreactivity in T-cell lymphomas

PD-1
clone		 AITL PTCLU ALK (−)
ALCL		 T-ALL
Dorfman et al.3 EH12 100%
(23/23)		 0%
(0/14)		 0%
(0/12)		 0%
(0/5)
Roncador et al.10 NAT 86%
(42/49)		 17%
(5/30)		 0%
(0/1)		 0%
(0/20)
Rodriguez-Pinilla et al.9 NAT 95%
(56/59)		 30%
(24/81)		 17%
(1/6)		 N/A
Krishnan et al.
(current study) 		NAT 93%
(76/82)		 62%
(16/26)		 11%
(2/18)		 0%
(0/13)
     TOTALS 93%
(197/213)		 30%
(45/151)		 8%
(3/37)		 0%
(0/38)

Abbreviations: ATIL – angioimmunoblastic T-cell lymphoma; PTCLU – peripheral T-cell lymphoma, unclassified; ALCL – anaplastic large cell lymphoma; T-ALL – T-cell lymphoblastic lymphoma. The data provided for the current study include all whole section and tissue microarray T-cell cases studied.