Primary bones cancers are rare and ubiquitous malignant tumors. Aim: Our\nstudy aimed was to describe the epidemiological and histopathological aspects\nof primary malignant bone cancers in Ivory Coast. Material and method:\nThis is a retrospective and descriptive study of primary malignant bone cancers\ndiagnosed over the period 1990 to 2013 (24 years). The studied parameters\nwere: epidemiological aspects (frequency, age, sex, topography) and histological\naspects. Results: Over the study period, primary malignant bone\ncancers accounted for 1.93% (n = 228) of cancers. The average age was 27.02\nyears with extremes of 2 and 85 years. The sex ratio was 1.65. They were in the\nskull and maxilla in 43.9% (n = 105), lower limbs (23.8%), spine and ribs\n(19.8%), pelvis (5.3%) and upper limbs (2.3%). The clinic was dominated by\npain and alteration of general state. Radiology was variable depending on the\nhistological type. In children, primary malignant bone cancers were found in\nthe maxillary (77.9%) and the lower limb (15.8%). Burkitt�s lymphomas\nrepresented 36.4% (n = 66) of the histological types followed by 22.4% osteosarcomas\n(n = 51). In adults at histology, sarcomas were the most common\n(10%), followed by cancers of the hematopoietic and lymphatic organs\n(8.09%). Conclusion: Primary malignant bone cancers are rare in Ivory\nCoast. They most often affect male children with maxillofacial involvement\nand predominant lower extremity. Burkitt�s lymphoma and osteosarcoma are\nthe often diagnosed histological types.
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