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Table 3 Average annual age-standardized incidence per period1 of malignant neoplasms in children served by the IMSS and residing in ten jurisdictions of the Mexican Republic during the periods 1996–2002 and 1998–2000

From: Incidence of cancer in children residing in ten jurisdictions of the Mexican Republic: importance of the Cancer registry (a population-based study)

Diagnostic group 1996–2002 1998–2000 Overall
  CHIS MC GRO MS MOR JAL NL PUE VER YUC Crude ASR
I. Leukemias 74.2 55.4 58.8 60.2 66.8 42.5 32.5 72.9 54.8 50.1 54.6 55.4
+ Acute lymphoblastic 51.8 43.2 47.3 49.3 52.5 34.3 30.7 62.3 42.6 35.8 43.7 44.5 2
+ Acute non-lymphoblastic 21.2 9.8 10.1 9.6 14.3 6.8 1.8 10.6 8.9 9.7 9.4 9.3
II. Lymphomas 3 18.6 14.4 28.6 9.9 18.9 7.2 12.7 22.7 12.9 1.9 13.2 12.8
+ Hodgkin lymphomas 8.0 3.6 8.6 4.6 3.7 2.5 5.8 11.9 7.4 1.9 5.1 4.8
+ Non Hodgkin lymphomas 8.3 8.9 12.8 4.7 11.1 3.0 4.6 9.4 3.2 0.0 6.4 6.3
+ Burkitt lymphoma 2.4 1.4 7.1 0.4 3.9 1.7 1.7 1.4 2.4 0.0 1.5 1.5
III. CNS tumors 31.9 16.5 30.3 10.3 15.7 8.9 19.2 12.1 16.8 9.5 14.4 14.4
+ Ependymomas 5.4 2.4 4.3 1.4 1.2 0.5 1.2 0.0 3.5 0.0 1.7 1.8
+ Astrocytomas 12.5 8.8 16.2 4.1 7.4 2.3 8.2 5.2 4.6 1.8 6.3 6.3
+ IIET 7.8 4.2 8.3 3.5 3.9 2.0 7.1 1.2 4.6 3.8 4.0 4.1
IV. Neuroblastoma and others 5.5 4.1 13.5 2.4 4.0 1.9 6.5 1.2 0.8 6.2 3.2 3.6
+ Neuroblastoma 5.5 3.9 13.5 2.1 4.0 1.9 5.9 1.2 0.8 6.2 3.2 3.4
V. Retinoblastoma 21.8 5.1 8.0 5.2 9.7 1.4 4.1 7.1 6.6 5.9 4.8 5.5
VI. Renal tumors 5.2 5.4 10.1 5.0 10.8 2.4 5.7 3.3 6.6 4.1 4.8 5.2
+ Nephroblastoma 5.2 5.3 10.1 5.0 10.8 2.4 5.7 3.3 6.6 4.1 4.8 5.2
VII. Hepatic tumors 4.5 3.5 0.0 1.5 1.4 2.1 1.8 11.3 1.1 2.1 2.2 2.5
+ Hepatoblastoma 3.3 3.2 0.0 1.3 1.4 2.1 1.8 11.3 1.1 2.1 2.0 2.3
VIII. Bone tumors 12.2 6.1 9.8 6.1 8.3 8.1 3.0 5.9 2.6 7.5 6.7 6.3
+ Osteosarcomas 9.9 4.2 6.2 4.6 4.6 7.7 2.4 3.6 1.8 3.7 5.0 4.7
IX. Soft tissue sarcomas 14.0 7.1 9.3 6.1 9.7 5.7 8.2 6.1 4.0 3.8 6.6 6.8
+ Rhabdomyosarcomas 6.7 4.3 1.3 3.8 5.4 3.7 7.0 2.4 4.0 1.8 4.0 4.2
+ Fibrosarcomas 5.7 1.6 1.3 1.1 2.0 0.0 0.6 0.0 0.0 0.0 1.1 1.1
X. Germ cell tumors 9.7 7.7 2.3 9.6 6.5 3.0 8.2 8.3 8.0 10.6 7.6 7.9
+ Malignant gonadal 6.2 6.0 2.3 7.1 2.8 1.2 5.9 5.0 3.4 8.9 5.3 5.5
XI. Carcinomas 5.9 0.9 2.8 0.9 2.3 0.4 1.2 0.0 0.0 0.0 1.1 1.0
TOTAL 203.5 126.4 173.5 117.3 154.3 83.6 103.0 150.7 114.3 101.8 119.2 121.5
  1. 1Rates per 1,000,000 child/years; 2Only the incidence of principal subgroups are presented; 363 cases of Histiocytosis were not included; IMSS, Instituto Mexicano del Seguro Social, n, Number of cases; CNS, Central Nervous System; IIET, Intracraneal and Intraespinal Embryonal Tumors; STS, Soft Tissue Sarcomas; CHIS, Chiapas; MC, Mexico City; GRO, Guerrero; MS, Mexico State; MOR, Morelos; JAL, Jalisco; NL, Nuevo León; PUE, Puebla; VER, Veracurz; YUC, Yucatán.