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Neoplasms in the Tropics
Addressing the Société médicale de Léopoldville, Mr. Seidelin called attention at the start to the many reservations that must be made in the examination and utilization of statistics pertaining to cancer. Previous publications have shown that all kinds of neoplasms are found in the natives of the tropics but in different proportions than in European countries (Mouchet, Gerard, Van Nitsen; Guillot, the Belgian Congo). Carcinomas in general are less common; and carcinomas of the digestive tract, so frequent in Europeans, are rare. Seidelin examined 300 histologic specimens and found 71 neoplasms. In agreement with observations in other tropical countries, the number of sarcomas was about the same as that of carcinomas. This fact Seidelin explains by calling attention to the smaller proportion of persons reaching an advanced age, 50 years and beyond, since sarcomas, and especially those of the digestive tract, have a predilection for aged
BELGIUM. JAMA. 1931;97(6):404–405. doi:10.1001/jama.1931.02730060042022
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