TABLE 1.

Cancers Diagnosed Among Subjects Aged 0–14 Years in the Cities of Maputo (1999–2000 and 2009–2010) and Beira (2009–2010)

	Maputo		Beira
	1999–2000	2009–2010	2009–2010
ICCC-3 diagnostic groupa	N (%)	N (%)	N (%)	IR(/105)
(I) Leukaemias, myeloproliferative diseases, and myelodysplastic diseases	NA	NA	0(0.0)	0.0
(II) Lymphomas and reticuloendothelial neoplasms
(a) Hodgkin lymphomas	4(6.6)	7(3.9)	3(8.8)	0.9
(b)Non-Hodgkin lymphomas (except Burkitt lymphoma)	3(4.9)	20(11.2)	0(0.0)	0.0
(c) Burkitt lymphoma	15(24.6)	18(11.0)	2(5.9)	0.6
(e)Unspecified lymphomas	2(3.3)	2(1.1)	3(8.8)	0.9
(III) CNS and miscellaneous intracranial and intraspinal neoplasms	1(1.6)	7(3.9)	0(0.0)	0.0
(IV) Neuroblastoma and other peripheral nervous cell tumors	1(1.6)	5(2.8)	1(2.9)	0.3
(V)Retinoblastoma	3(4.9)	2(1.1)	3(8.8)	0.9
(VI) Renal tumorsb	4(6.6)	25(14.0)	3(8.8)	0.9
(VII) Hepatic tumorsc	2(3.3)	6(3.4)	1(2.9)	0.3
(VIII) Malignant bone tumors	7(11.5)	4(2.2)	1(2.9)	0.3
(IX)Soft tissue and other extraosseous sarcomas
(a) Rhabdomyosarcomas	6(9.8)	5(2.8)	1(2.9)	0.3
(c) Kaposi sarcoma	3(4.9)	23(12.8)	10(29.4)	2.8
(b, d, e) Otherd	1(1.6)	14(7.8)	1(2.9)	0.3
(X) Germ cell tumors, trophoblastic tumors, and neoplasms of gonads	2(3.3)	5(2.8)	0(0.0)	0.0
(XI) Other malignant epithelial neoplasms and malignant melanomase	0(0.0)	3(1.7)	3(8.8)	0.9
(XII) Other and unspecified malignant neoplasms	7(11.5)	4(2.2)	2(5.9)	0.6
All cancers, except non-melanoma skin cancer	61(100.0)f	150(100.0)f	34(100.0)	9.7

Note. ICCC-3 = International Classification of Childhood Cancer, 3rd edition.

IR = Incidence rate.

NA = Not available, which are routinely diagnosed by another department of the Maputo central hospital.

CNS = Central nervous system.

^aResults for specific subcategories were presented only when the overall number of cases(considering the two periods and two settings being analyzed) was at least 5.

^bAll were nephroblastomas, except one renal carcinoma diagnosed in Beira.

^cAll were hepatic carcinomas, except two cases of hepatoblastoma diagnosed in Maputo(2009–2010).

^dIncludes cases from the following three subcategories: fibrosarcomas, peripheral nerve sheath tumors, and other fibrous neoplasms (n = 1); other specified soft tissue sarcomas (n = 4); unspecified soft tissue sarcomas (n = 11).

^eIncludes one melanoma and five epithelial neoplasms (bladder, cervix uteri, conjunctiva, lip, and salivary gland).

^fDoes not include leukaemias.