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. 2002 Aug;55(8):596–601. doi: 10.1136/jcp.55.8.596

Table 1.

The distribution of p33ING1b expression according to ALL subtype

Type of ALL Total cases p33ING1b +ve p33ING1b -ve
B-ALL 115 28 87
T-ALL 16 3 13
Pre-B-ALL 9 0 9
Non-B, non-T 3 1 2
Biphenotypic 2 0 2

There was no difference in the proportion of cases showing loss of p33ING1b in T-ALL compared with B-ALL, although all cases classed as pre-B-ALL or biphenotypic were p33ING1b negative.

ALL, acute lymphoblastic leukaemia; B-ALL, B cell acute lymphoblastic leukaemia; T-ALL, T cell acute lymphoblastic leukaemia.