1996
DOI: 10.1080/15513819609169305
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Tumors of Childhood in Ibadan, Nigeria (1973-1990)

Abstract: Childhood neoplasms provide a fertile field for epidemiological research and afford a unique opportunity for studying possible mechanisms of carcinogenesis. The present study reviews 1881 malignant childhood neoplasms in children less than 15 years of age seen in the University College Hospital, Ibadan during an 18-year period. The male-to-female ratio was 1.4:1 and modal age of occurrence was 10 years. The most common childhood neoplasms were lymphomas (45.4%), retinoblastomas (9.7%), and malignant renal neop… Show more

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Cited by 11 publications
(4 citation statements)
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“…In both sexes, haematopoietic, kidney, eye, and soft tissue were the topmost cause of cancer death in the paediatric age. This cancer mortality picture is comparable to the reported cancer morbidity trend in the Ghanaian paediatric population [ 16 ] and other developing African countries [ 17 – 29 ], with a preponderance of Burkitt's lymphomas, followed by retinoblastoma, nephroblastoma, and soft tissue sarcomas. However, low relative frequency of Burkitt lymphoma in our center compared with its higher frequency in other parts of Nigeria and other sub-Saharan African countries has been previously reported by Akinde et al [ 30 ] and Tijani et al [ 27 ].…”
Section: Discussionsupporting
confidence: 83%
“…In both sexes, haematopoietic, kidney, eye, and soft tissue were the topmost cause of cancer death in the paediatric age. This cancer mortality picture is comparable to the reported cancer morbidity trend in the Ghanaian paediatric population [ 16 ] and other developing African countries [ 17 – 29 ], with a preponderance of Burkitt's lymphomas, followed by retinoblastoma, nephroblastoma, and soft tissue sarcomas. However, low relative frequency of Burkitt lymphoma in our center compared with its higher frequency in other parts of Nigeria and other sub-Saharan African countries has been previously reported by Akinde et al [ 30 ] and Tijani et al [ 27 ].…”
Section: Discussionsupporting
confidence: 83%
“…The study documented a mean annual rate of 9.7 cases per year; and with the exclusion of the leukaemias, it amounted to 8.3 solid malignancies per year. This is higher than the 7 cases per annum reported in Sagamu 17 23 . It is our view that the centres with the highest number of cases were those that were equipped with radiotherapy services, and that the higher figures may have been contributed by referral cases from other centres.…”
Section: Discussioncontrasting
confidence: 54%
“…2 Ewing sarcoma is associated with a specific cytogenetic translocation t(11;22)(q24;q12) 13 and is generally uncommon in black African children and almost exclusively limited to Caucasians. 14 Studies from North America and other countries confirm the relatively low incidence of Ewing sarcoma in the black population. 15,16 In this study, all the cases were black Africans.…”
Section: Discussionmentioning
confidence: 94%