Letter to the editor

Aozasa, Katsuyuki; Yang, Wenting; Yb, Lee; Ws, Pan; Yf, Wy; Horiuchi, Keisuke; Bh, Hyun; Tajima, Kazuo

doi:10.1002/ijc.2910520429

Cited by 26 publications

(5 citation statements)

References 5 publications

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“…Our previous study showed that the frequency of WG in Japan was 40-fold higher than in Shanghai but half that in the United Kingdom [7]. The majority of WG patients were office workers in both our previous and the present studies.…”

Section: Discussionsupporting

confidence: 71%

“…In the sinonasal regions, it was suggested that EBV played an etiological role in the development of nasopharyngeal carcinoma [17]and PR [7, 18], not only in Oriental populations but also in western countries [19]. Proliferating cells in PR usually express EBV nuclear antigen-1 (EBNA-1), frequently latent membrane protein-1 (LMP-1) and LMP-2s, but not EBNA-2, 3, 4, or 6, which is identical to latency II of EBV-latent infection [20].…”

Section: Discussionmentioning

confidence: 99%

“…The data from 1979 to 1989 were reported previously [7]. In Japan, a total of 59 university hospitals participated in our nationwide study of LMG from August 1996 to June 1997 (see Acknowledgments).…”

Section: Methodsmentioning

confidence: 99%

“…Our previous studies revealed much higher frequencies of PR in East Asian countries including China, Korea and Japan than in western countries [6, 7]. Thus, it was suggested that the frequency of PR varied between different ethnic groups, i.e.…”

Section: Introductionmentioning

confidence: 97%

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Chronological Changes in Incidences of Polymorphic Reticulosis in Korea and Japan

Ohsawa

Shingu²,

Inohara³

et al. 1999

Oncology

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Lethal midline granuloma (LMG) is a clinical term, which describes a group of diseases histologically comprising Wegener’s granulomatosis, polymorphic reticulosis (PR), and malignant lymphoma of the ordinary type (ML). PR is a variant of ML, and is considered to be a type of NK/T cell lymphoma. Our previous study revealed the clustering of patients with PR in East Asia including China, Korea and Japan. However, the frequency rate of PR varied even among these countries, with that of Korea being approximately 5 times higher than that of Japan. In the present study, we examined the incidences of each type of LMG, especially PR, in Korea (Yonsei University) and Japan (59 university hospitals) over time. A total of 102 cases and 655 cases of LMG admitted to Yonsei University, Korea from 1977 to 1996 and 59 university hospitals in Japan between 1965 and 1996, respectively, were examined. The frequency rate of PR per 100,000 outpatients of ears, nose and throat (ENT) clinics in Korea decreased from 40 to 20 between the periods of 1977–1989 and 1990–1996. However, there were no significant changes in Japan during the period studied.

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Section: Discussionsupporting

confidence: 71%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

See 2 more Smart Citations

Chronological Changes in Incidences of Polymorphic Reticulosis in Korea and Japan

Ohsawa

Shingu²,

Inohara³

et al. 1999

Oncology

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“…The disease is more frequent in Asian countries than in Western countries (Aozasa et al, 1992), and was demonstrated to be highly associated with Epstein-Barr virus (EBV) infection (Harabuchi et al, 1990). Recently, mutations of c-kit proto-oncogene and tumor suppressor p53 gene were reported.…”

mentioning

confidence: 99%