Volume 67, Issue 3 pp. 318-322
Human Cancer

Incidence of intracranial meningiomas in Nagasaki atomic-bomb survivors

Naoki Sadamori

Corresponding Author

Naoki Sadamori

Departments of Internal Medicine, Pathology and Radiation Biophysics, Atomic-Disease Institute, Nagasaki 852, Japan

Department of Internal Medicine, Atomic Disease Institute, Nagasaki University School of Medicine, 12-4 Sakamoto 1-chome, Nagasaki 852, Japan. Fax: (81) 0958-49-7113Search for more papers by this author
Shobu Shibata

Shobu Shibata

Departments of Internal Medicine, Pathology and Radiation Biophysics, Atomic-Disease Institute, Nagasaki 852, Japan

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Mariko Mine

Mariko Mine

Department of Neurosurgery, Scientific Data Center for Atomic-Bomb Disaster, Nagasaki University School of Medicine, Nagasaki 852, Japan

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Hisaya Miyazaki

Hisaya Miyazaki

Department of Neurosurgery, Miyazaki Hospital, Isahaya 854, Japan

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Hitoshi Miyake

Hitoshi Miyake

Department of Neurosurgery, Juzenkai Hospital, Nagasaki 850, Japan

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Masaki Kurihara

Masaki Kurihara

Department of Neurosurgery, Juzenkai Hospital, Nagasaki 850, Japan

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Masao Tomonaga

Masao Tomonaga

Departments of Internal Medicine, Pathology and Radiation Biophysics, Atomic-Disease Institute, Nagasaki 852, Japan

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Ichiro Sekine

Ichiro Sekine

Departments of Internal Medicine, Pathology and Radiation Biophysics, Atomic-Disease Institute, Nagasaki 852, Japan

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Yutaka Okumura

Yutaka Okumura

Departments of Internal Medicine, Pathology and Radiation Biophysics, Atomic-Disease Institute, Nagasaki 852, Japan

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Abstract

Among the Nagasaki atomic-bomb survivors registered at the Scientific Data Center for Atomic-Bomb Disaster, Nagasaki University School of Medicine, 45 cases of surgically treated intracranial meningioma were collected from 6 hospitals with departments of neurosurgery in or near Nagasaki City during the period from 1973 to 1992. All 45 patients were over 40 years of age at the time of diagnosis. Subsequently, the 45 cases were statistically analyzed in relationship to the estimated distance from the hypocenter by age, gender, intracranial location, histology and latent period. The analysis showed a high correlation between incidence of meningiomas and distance from the hypocenter. The incidence among Nagasaki atomic-bomb survivors over 40 years of age, especially in those proximally exposed, appears to be increasing, in inverse proportion to the exposure distance, since 1981, 36 years after the explosion of the atomic bomb. © 1996 Wiley-Liss, Inc.

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