Fibrohistiocytomas of the trachea are rare tumours of the trachea. It may be difficult on hist-ology to distinguish benign and malignant disease and expert opinion is required. These tumours can be successfully excised through inter-ventional rigid bronchoscopy. A 54-year-old Caucasian male was referred with haemoptysis. There was no associated dyspnoea, noisy breathing or loss of weight. His m...

Life is fickle and what can happen often does, but what about happenings and even misadventures that are difficult or even impossible to detect? Normally tiny anomalies are ignored when their use is non-critical, but when they are important we must be made aware of these. Considering the ubiquitous nature of water forming the carrying agent for medicine and vaccines, anything that can influence...

Sporadic cases of chemical poisoning have occurred in Japan recently, and even though these cases are rare, this situation is not permissible. These cases involve not only newly identified types of poisoning, but also the reemer-gence of poisoning with known hazardous chemicals. Recent examples of known types of poisoning are lead poisoning, lung cancer caused by exposure to beryllium, and blad...

OBJECTIVES Gemstone cutters are potentially exposed to various carcinogenic and fibrogenic metals such as chromium, nickel, aluminium, and beryllium, as well as to lead. Increased beryllium concentrations had been reported in the air of workplaces of beryl cutters in Idar-Oberstein, Germany. The aim of the survey was to study the excretion of beryllium in cutters and grinders with occupational ...

The pegmatites of the Seridó Pegmatite Province show a granitic bulk mineralogical composition, composed K-feldspar, albite, quartz, muscovite and occasionally biotite. Detailed studies major minerals are scarce. There is, on other hand, relatively larger number published contributions concerning pegmatite accessory minerals. This field trip guide focus mainly occurrence locations these last mi...

Bergen. I highly appreciate the project funding by the Helse-Vest, and the possibility to carry out my experiments at the Department of Molecular Biology. First of all I wish to express my sincere gratitude to my supervisors Per Eystein Lønning and Johan R. Lillehaug for giving me the opportunity to work in a very interesting and meaningful project. With his outstanding medical expertise, Per E...

ndometriosis is defined as the presence of normal endometrial tissue occurring outside the endometrial cavity. This ectopic endometrial tissue responds to normal cyclic hormonal changes, resulting in localized bleeding, inflammation, and subsequent adhesion formation. As a result, endometriosis is a well-known cause of chronic pelvic pain in premenopausal women. The most common site and most re...

Introduction: The cross-bedded, finely layered, altered, salty sediments observed at the Opportunity landing site on Mars were first interpreted as having been deposited by flowing and standing water in an evaporating acid lake environment [1] and, more recently [2], as having been deposited by the wind, in a near-playa setting similar to that at White Sands, NM, but complicated by an episode o...

The American Heart Association is pleased to announce that Vladimir Hachinski, MD, will become the new Editor-inChief of Stroke beginning on July 1, 2000. Mark L. Dyken, MD, and his editorial staff will continue to process manuscripts that are submitted before July 1, but Dr Hachinski will direct the review of all new manuscripts submitted after that date. Dr Hachinski is the Richard and Beryl ...