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Plenary Session 2
Friday 19, November, 2004
13:30 - 16:00, International Conference Hall

Plenary Session 2
Environmental Exposure, Crisis Preparedness and Risk Communication
Chairs: Mari Christine and Oshima Sumiko

Malignant pleural mesothelioma due to working at the stationery store with sprayed asbestos
Yuji Natori1, Naoki Toyama2, Akihiko Kataoka3, Kiyoshi Sakai4, Shinji Kumagai5 Takasi Nakano (Hyogo Medical University, Hyogo)
1Hirano-Kameido Himawari Clinic, Tokyo, Japan
2Tokyo Occupational Safety and Health Center, Tokyo

3Kansai Occupational Safety and Health Center, Osaka
4Nagoya City Public Health Research Institute , Nagoya
5Osaka Prefectural Institute of Public Health, Osaka
ABSTRACT:

70 years male, was admitted to the hospital due to rt. pleural effusion (hyaluronic acid : 596mg/L) in 2002. Pathology specimen by thoracoscopy showed malignant mesothelioma, epithelial type < calretinin(+) , AE1/AE3(+), EMA(+), CEA(-), BerEP4(-) >.He was born in rural area near Osaka city and had no family and environmental asbestos exposure. He had worked as a farmer from 1949 to 1951, as a weaver of wire netting company from 1951 to1966, as a waiter at coffee shop from 1966 to 1969, and as a manager of the stationery store from 1969 to 2002.He had no direct occupational asbestos exposure. There are sprayed asbestos (crocidolite ) at walls of 2nd floor where he had used as a warehouse of the stationery store. He have stayed at 2nd floor to deliver and take out and arrange goods for 1hours everyday and cleaned the floor once a month. The measurement of asbestos revealed 1.02-4.2f/L(2nd floor at rest) ,14.0f/L(delivery of goods),136.5f/L(cleaning), 0.34-1.13f/L(1st floor),ND(atmosphere out of stores).Minimum Limit of Determination is 0.15-0.4f/L.. His malignant mesothelioma was due to working at the stationary store with sprayed asbestos.