BACKGROUND Primary tracheal tumors occur infrequently, accounting for less than 0.1% of all tumors. Adenoid cystic carcinoma (ACC) is the second most common type of malignancy of the trachea after squamous cell carcinoma (SCC). Little has been reported on the risk factors for tracheal ACC. The purpose of this study is to describe a case of tracheal ACC in a patient who had been exposed to rubbe...

A two years retrospective analysis of patients diagnosed as contact allergic dermatitis with positive patch test attending the Dermatology clinic was performed. Of the 346 patients with a positive patch test, 14% had occupational dermatitis. This condition affected mainly young and inexperienced workers. An inverse relationship was seen between age and prevalence of occupational allergic dermat...

Physical activity has been recommended as a strategy for improving sleep. Nevertheless, physical effort at work might not be not the ideal type of activity to promote sleep quality. The aim of this study was to evaluate the effects of type of job (low vs. high physical effort) and life-style on sleep of workers from an Amazonian Extractivist Reserve, Brazil. A cross-sectional study of 148 low p...

Diethyl thiourea as a cause of dermatitis in a car factory. Fifteen car assembly workers became sensitized to self-skinning neoprene foam weather strips by contact with the bare forearms for the greater part of the working day. A series of patch tests showed 11 out of 11 tested to be sensitive to diethyl thiourea present in the neoprene as an accelerator. The condition cleared on modification o...

Natural rubber processing is one of the potential agro-industrial sectors for Indonesia, whose role quiteimportant as a foreign exchange earner plantation sub-sector. The production rate 1.6 million tons in2002 or 22% world's total natural has placed Indonesia second largest producingcountry after Thailand. This study aims to determine whether quality blanket sir 10 optimal by using amaturation...

Ethylene thiourea is manufactured at one factory in the United Kingdom and is mixed into masterbatch rubber at another. Clinical examinations and thyroid function tests were carried out over a period of three years on eight process workers and five mixers and on matched controls. The results show that the exposed mixers, but not exposed process workers, have significantly lower levels of total ...

Musculoskeletal disorders (MSDs) are a common health problem throughout the world and a major cause of disability among the work force. Assessment of exposure level to MSD risk factors can be an appropriate base for planning and implementing interventional ergonomic programs in the workplace. This study was conducted among workers of an Iranian rubber factory with the objectives of (a) determin...

The world is exposed to serious environmental problems as a result of the rapid development modern technology, which increasing rate tire consumption, difficulty its biological decomposition and accumulation that causes fires emission toxic gases harmful nature living organisms, tires act basin collect water, forms hotbeds for growth bacteria parasites. Therefore, study focused on finding solut...