IntroductionChildhood cancer is rare and comprises only 1% of all cancers. The current incidence of childhood cancer in Namibia, as in many other African countries, is not known. The aim of this research was to assess the paediatric cancer incidence between 2003-2010 at Windhoek Central Hospital, the only pediatric oncology-referring centre in Namibia and to compare with the previous calculated incidence in the country 20 years ago.MethodsA retrospective, descriptive review of the paediatric oncology cases presenting to Windhoek Central Hospital between 2003 and 2010 was undertaken, and data regarding age, sex, cancer type, area of residence were extrapolated. In this study due to the appearance of the HIV epidemic, an HIV incidence was also calculated.ResultsThe incidence rate of all paediatric recorded cancers was 29.4 per million. Leukaemias (22.5%) and retinoblastomas (16.2%) were the most common tumours, with renal tumours, soft tissue sarcomas and lymphomas following in frequency. HIV incidence of children with malignancy was 6.8%.ConclusionThe incidence rates of cancers in this study are remarkably lower compared to a similar study done in the country 20 years ago. Many cancers are still not diagnosed or reported, and others are not treated in the country. The institution of a “twinning programme” between the paediatric haematological/oncological departments in Windhoek and Tygerberg Hospital in Cape Town, South Africa, will contribute to improvement of childhood cancer cases. This twinning programme includes the formation of a cancer registry.
There are no standardized pediatric treatment protocols for monomorphic
post-transplant lymphoproliferative disorder (PTLD). We reviewed data
from Canadian pediatric centers to determine patient characteristics,
treatment approaches and outcomes. There were 55 eligible children
diagnosed with monomorphic PTLD between January 2001-December 2021.
Forty-nine (89%) underwent reduction of immunosuppression. The
majority, 44 (80%), received rituximab, 40/44 (91%) with concurrent
chemotherapy. A total of 46 (84%) children received chemotherapy:
LMB-96 (48%) and low-dose cyclophosphamide with prednisone (30%) being
the favored regimens. Projected 3-year event-free survival and overall
survival was 62% and 77%, respectively. Approach to monomorphic PTLD
treatment was relatively consistent across Canada.
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