소아 백혈병의 빈도에 관한 관찰

Abstract

Five hundred and fifty-four cases of leukemia in children who were diagnosed at the Department of Pediatrics, Seoul National University, from October 1955 to December 1982 were analysed. Table 1. Age incidence -c-=--,c ,--,-_ ---_-.----- - -- ----- Age (year) No. of caSCi) % ----'--- - -------'----.'--- ---._---..- <3 127 22.9 3~ 6 208 37.5 7~10 109 19.7 11~15 110 19.9 Total 55,1 100.0 Table 2. Incidence by morphologic classification Classification No. of cases % Lymphoid 331 59.7 Acute lymphocytic 288 52.0 Acute unclassified 43 7. 7 Nonlyrnphoid 190 3·1.3 Acute myelocytic 150 27.1 Acute myelomonocytic 20 3.6 Acute monocytic 13 2.3 Acute erythroleukemia 6 1.0 Chronic myelocytic 33 6.0 ------- --_...._._----_., .._--- Total 554 100.0The patients consisted of 36,1 boys and 190 girls (M : F=1. 91 : 1). Acute leukemia was 94.096 and chronic leukemia was 6.0%. The incidence of various types of leukemia was as follows(Table 2).