Table 2 Classification of childhood hematological malignancies diagnosed in the Modena and Reggio Emilia municipal populations from 1986 to 2007
Diagnosis | ICD-9a | n | (%) |
|---|---|---|---|
All malignant neoplasms of lymphatic and hematopoietic tissue | 200-208 | 64 | (100.0) |
Lymphosarcoma and reticulosarcoma and other specified malignant tumors of lymphatic tissue | |||
Lymphosarcoma | 200.1 | 6 | (9.3) |
Burkitt's tumor or lymphoma | 200.2 | 2 | (3.1) |
Hodgkin's disease | |||
Lymphocytic-histiocytic predominance | 201.4 | 1 | (1.6) |
Nodular sclerosis | 201.5 | 1 | (1.6) |
Mixed cellularity | 201.6 | 1 | (1.6) |
Hodgkin's disease, unspecified | 201.9 | 2 | (3.1) |
Other malignant neoplasms of lymphoid and histiocytic tissue | |||
Letterer-Siwe disease | 202.5 | 5 | (7.8) |
Lymphoid leukemia | |||
Acute lymphoid leukemia | 204.0 | 36 | (56.2) |
Chronic lymphoid leukemia | 204.1 | 1 | (1.6) |
Unspecified lymphoid leukemia | 204.9 | 1 | (1.6) |
Myeloid leukemia | |||
Acute myeloid leukemia | 205.0 | 3 | (4.7) |
Chronic myeloid leukemia | 205.1 | 1 | (1.6) |
Unspecified myeloid leukemia | 205.9 | 1 | (1.6) |
Monocytic leukemia | |||
Acute monocytic leukemia | 206.0 | 3 | (4.7) |