Pathology international · 2008
Distribution of malignant lymphoma in Japan: analysis of 2260 cases, 2001-2006.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Aoki Ryosuke, Karube Kennosuke, Sugita Yasuo, Nomura Yuko, Shimizu Kay, Kimura Yoshizo, Hashikawa Keiko, Suefuji Nobuko, Kikuchi Masahiro, Ohshima Koichi
Аннотация
The World Health Organization classification was used to conduct an analysis of geographic, age, sex, and lesion primarily biopsied/resected distribution of 2260 lymphoid neoplasms diagnosed during 2001-2006 throughout Japan. B-cell neoplasms accounted for 65% of all lymphoid neoplasms, T/natural killer (T/NK)-cell neoplasms for 25% and Hodgkin lymphoma for 7%. The most common type was diffuse large B-cell lymphoma (DLBCL, 33%), followed by follicular lymphoma (18%), and adult T-cell leukemia/lymphoma (ATLL, 10%). The high rate of 18% for follicular lymphoma was similar to that in Western countries (11-33%). T/NK-cell neoplasms accounted for a higher percentage of lymphoid neoplasms in Kyushu (30%) and Okinawa (38%) compared with other areas of Japan (18-20%). Among T/NK-cell neoplasms, ATLL was the most common type in Okinawa (54%) and Kyushu (59%). Extranodal NK/T cell lymphoma was the second most common type of T/NK-cell neoplasms in Okinawa (15%). This epidemiological study shows that the distribution patterns of malignant lymphoma differ especially in Kyushu and Okinawa, the endemic area of human T-cell leukemia/lymphoma virus type 1.