Document Detail

Increase in incidence of adult T-cell leukemia/lymphoma in non-endemic areas of Japan and the United States.
MedLine Citation:
PMID:  22738276     Owner:  NLM     Status:  Publisher    
Adult T-cell leukemia/lymphoma (ATLL) is a peripheral T cell neoplasm that is associated with infection by the human T-cell leukemia virus type I (HTLV-1). Although the high incidence of ATLL in HTLV-1-endemic areas is well known, population-based evidence concerning the incidence of ATLL in non-endemic areas is scarce. To answer this, we estimated the age-standardized incidence of ATLL from 1993 to 2006 for Japan and 1993 to 2008 for the US and assessed its trend using data from a population-based cancer registry in Japan and Surveillance Epidemiology and End Results (SEER) in the US. The Japanese data were collected from 15 prefectures. A total of 2055 patients in the 3 prefectures in Kyushu and 1380 patients in the 12 prefectures in Honshu were diagnosed with ATLL in the study period. In the US, a total of 140 patients were diagnosed with ATLL. The results showed that the age-standardized incidence in non-endemic areas in Japan and in the US significantly increased during this period [annual percent change (95%CI); Japan-Honshu: +4.6% (1.1, 8.2); US: +6.2% (1.5, 11.1)], while in the endemic areas of Japan there was no change [annual percent change (95%CI); Japan-Kyushu: 0.0% (-1.6, 1.7)]. This result indicates that the disease has been spread by carriers to non-endemic areas, and suggests the necessity of establishing a standard preventive strategy.
Dai Chihara; Hidemi Ito; Kota Katanoda; Akiko Shibata; Tomohiro Matsuda; Kazuo Tajima; Tomotaka Sobue; Keitaro Matsuo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-28
Journal Detail:
Title:  Cancer science     Volume:  -     ISSN:  1349-7006     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101168776     Medline TA:  Cancer Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Japanese Cancer Association.
Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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