Table 1 Immunohistochemical detection of MRD in Bone marrow after cladribine (Adapted from Ellison, DJ, Blood, 1994).

From: Consensus opinion from an international group of experts on measurable residual disease in hairy cell leukemia

Months post-therapy

Positive N (%)

Indeterminant N (%)

Negative N (%)

3–4

18 (47)

19 (50)

1 (3)

5–7

17 (51)

11 (39)

0

8–10

9 (53)

7 (41)

1 (6)

11–13

20 (43)

25 (53)

2 (4)

14–16

5 (50)

5 (50)

0

17–25

10 (56)

6 (33)

2 (11)