All issues > Volume 29(8); 1986

Original Article

J Korean Pediatr Soc. 1986;29(8):888-897. Published online August 31, 1986.

Statistical Analysis of The Tomors Below 20 Years of Age.

Sang Ho Park¹, Kyu Chul Choi¹, Yong Mook Choi¹, Chang Il Ahn¹

¹Department of Pediatrics, School of Medicine, Kyung Hee University

Abstract

Total 460 cases of benign and malignant tumors below 20 years of age who admitted to Kyung Hee University Hospital for 5 years from January 1980 to December 1984 were clinically analized and the following results were obtained.1) Among 460 benign and malignant tumors, malignant tumors were 201 cases(43.7%) and benign tumors were 259 cases(56.3%). 2) The male to female incidence ratio was 1.3 J 1 in malignant tumors, and 1 : L3 in benign tumors, but 1 : 1 in total number of tumors. 3) In age distribution of malignant tumors, the group of below 5 years of age showed more common than the others age groups. 4) Among the 201 malignant tumors, the most common malignant tumor was the CNS tumors(29.8%), and next was leukemia(23.9%), lymphoma(8.4%), bone tumor (8.4%), and neuroblastoma (7.0%). 5) The tumors occuring in the skin or soft tissue showed the most common among the benign tumors. 6) In CNS tumors, supratentorial tumors were 36 cases(60.0%), infratentorial tumors 20 cases(33.3%), and spinal tumors 4 cases(6.7%). 7) According to histopathology of the malignant, the mostcommon type was astrocytoma (45.5%) in the CNS tumor, ALL(58.3%) in the leukemia, Non-Hodgkin’s lymphoma(82.4%) in the lymphoma, and osteogenic sarcoma (64.7%) in the bone tumor.

Keywords :Childhood tumor; Incidence.