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Hematological Malignancies in Sickle Cell Disease Patients: Report of Four Cases in Togo and Literature Review

Open Journal of Blood Diseases 2024年第1期14卷 31-41页

作者： Padaro Essohana Guedenon M. Koffi Magnang Hèzouwè Womey M. C. Kodzovi Layibo Yao kalaissi mandjamana Agate R. Pikiliwè Department of Hematology Campus Teaching Hospital University of Lomé Lomé Togo Department of Pediatrics Sylvanus Olympio Teaching Hospital University of Lomé Lomé Togo National Center of Research and Treatement of Sickle Cell Disease Patients (CNRSD) Lomé Togo Department of Hematology Sylvanus Olympio Teaching Hospital University of Lomé Lomé Togo

Background: Hemopathies were rarely observed in major sickle cell disease patients some thirty years ago, probably due to the high mortality rate among the latter as a result of progressive complications. Thanks to advances in the management of sickle cell disease, patients' life expectancy has increased considerably, exposing them more frequently to neoplasia, including hematological malignancies. The increased risk of leukemogenesis is multifactorial and linked to the pathophysiological mechanisms of the clinical manifestations of sickle cell disease. Study Setting: The clinical haematology department of campus teaching hospital and the paediatric onco-haematology unit of Sylvanus Olympio teaching hospital in Lomé were used as study settings. Observations: Four hematologic malignancies were collected in a cohort of 5847 major sickle cell syndromes. The median age of the patients was 31.25 years (extremes: 14 and 58 years) and they were predominantly female (sex ratio M/F = 0.25). Two were on background therapy with hydroxyurea. Among the four patients, there were two cases of acute lymphocytic leukemia, including ALL3 in a 58-year-old SS woman and T-ALL2 in a 12-year-old SC. Then, a case of lymphocytic lymphoma in a 20-year-old SS man was reported and finally a case of chronic myelocytic leukemia in a 33-year-old woman of Sβ+ thalassaemia phenotype. Conclusion: To further report this coexistence, it is therefore essential to systematically consider hematological malignancies during major sickle cell syndromes even if there are similarities in the symptomatology of these two serious pathological situations.

关键词： Hematological Malignancies Sickle Cell Disease Lomé-Togo

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