Occupational hazards in dentistry.

Professional risk factors in dentistry may harm the dentist and the dental team. It is essential for the dentist to recognize these risk factors and protect against them. Among the various organs that are vulnerable in the dental situation are (in a nut-shell): The eyes, the ears, the respiratory system, the palm of the hand, and the back and the vertebrae.

[Bilateral deep vein thrombosis as presenting symptom of malignancy].

In 1865 Trousseau first described the association between venous thrombosis and malignancy. We now know that unprovoked deep vein thrombosis of the legs precedes the diagnosis of malignancy in more than 7% of the cases. In bilateral deep vein thrombosis the risk of occult malignancy exceeds 40%.

Using the automated biopsy gun with real-time ultrasound for native renal biopsy.

Background: The use of an automated biopsy system for renal biopsy has recently gained popularity, but its safety in single functioning kidneys is unclear.

Objective: To report our experience with the automated system for closed renal biopsy during a 5 year period.

Methods: Eighty-five patients underwent percutaneous native renal biopsy with the automated biopsy gun (16G needle) under real-time ultrasound.