Table 6 The incidence of bone marrow F-cells in leukaemia patients

From: Foetal haemoglobin-blood cells (F-cells) as a feature of embryonic tumours (blastomas)

Leukaemia type

F-cells positive

F-cells negative

Total

In children 2–14 years old

 ALL

5

1

6

 AML

0

1

1

In adults 31–81 years old

 ALL

0

1

1

 AML

2

1

3

 CLL

4

1

5

 CML

6

0

6

Hairy cell leukaemia

2

0

2

Total

19

5

24