1. Data quality of leukaemia experiences in the Netherlands
Otto Visser
Amsterdam Cancer Registry

2. Myeloid neoplasms WHO Classification 4th edition Leukaemia
Myeloproliferative neoplasms
CML, typical
Chronic neutrophilic leukaemia
Chronic eosinophilic leukaemia, NOS
Myeloid and lymphoid neoplasms with eosinophelia
Myelodysplastic/myeloproliferative neoplasms
CML, atypical
CMML
JMML
Myelodysplastic syndromes -
Acute myeloid leukaemia
Many specific types
Acute leukaemias of ambiguous lineage
Acute undifferentiated leukaemia
Mixed phenotype acute leukaemia

3. Lymphoid neoplasms WHO Classification 4th edition Leukaemia
Precursor lymphoid neoplasms
B-ALL
T-ALL
Mature B-cell neoplasms
CLL
B-PLL
Hairy cell leukaemia
(Burkitt leukaemia)
Mature T-cell and NK-cell neoplasms
T-PLL
T-LGL
Aggressive NK-cell leukaemia
Adult T-cell leukaemia
Hodgkin lymphoma -
Histiocytic and dendritic cell neoplasms
Post-transplant lymphoproliferative disorders

4. Aspecific codes & diagnoses
Diagnosis
9800
(chronic) Leukaemia, NOS
9801
Acute leukaemia, NOS
9820
Lymphoid leukaemia, NOS
9832
PLL, NOS
9860
Myeloid leukaemia, NOS
9863
CML, NOS 4

5. Chronic myeloid leukaemia
codes in ICD-O-3:
CML, NOS M9863
typical CML, BCR-ABL positive M9875
atypical CML, BCR-ABL negative M9876

6. Results of quality checks of CML, nos Amsterdam Cancer Registry, 2001-2007
In total 101 patients were checked:
4 cases: other diagnosis (1 AML, 3 CMML)
63 cases: typical CML
15 cases: atypical CML
19 cases: no further specification possible (no genetics available), 3 patients < 75, 16 patients 75 or older

7. Diagnosis of CML Amsterdam Cancer Registry, 2001-2007

8. Survival CML: <75 year

9. Survival CML: 75+

10. Unspecified leukaemia codes Netherlands Cancer Registry, 2001-2007

11. Unspecified AML codes Netherlands Cancer Registry, 2001-2007