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Sentinel lymph node biopsy staging for cutaneous malignant melanoma of the head and neck.

Conclusion Sentinel lymph node biopsies (SLNBs) can be performed safely and with reasonable accuracy in HNM patients. The outcome provides important prognostic information concerning DFS and further treatment. However, one must recognize that SLNB is a multidisciplinary procedure with a learning curve for all. Objectives To evaluate efficacy of performing SLNBs in a series of consecutive patients

Permanent atrial fibrillation in patients without structural heart disease is not associated with signs of infection by Chlamydia pneumoniae and Helicobacter pylori.

OBJECTIVE: The objective of this study was to explore the role of Chlamydia pneumoniae and Helicobacter pylori infections in patients with idiopathic permanent atrial fibrillation. METHODS AND RESULTS: Sera from 72 patients with permanent atrial fibrillation without structural heart disease (mean age 69.6 years, 23 women) were analysed for IgG antibodies against Chlamydia pneumoniae and Helicobact

Complement deficiency states and associated infections.

A major function of the immune system is to protect the host from microbial infections. The complement system plays important roles in both the innate and the adaptive immune defense and also acts as a bridge between these arms of immunity. This is obvious from complement deficiencies which in varying degree, depending on which factor is missing, are associated with increased infection susceptibil

Time-Domain Antenna and Scattering Analysis for Micro- and Millimeter-Wave Applications

Telecommunications industries are investing tremendously to meet the ever-increasing demands for higher data rates and capacity. In particular to develop standardization for 5G, which is expected around 2020. The existing spectrum for traditional mobile networks is limited to highly occupied bands at microwave frequencies below 6 GHz. It is expected that 5G will use millimeter-waves to enable high

Motion detection - a neural model and its implementation

A model for motion detection is presented. In this approach, motion is viewed as a stable pattern propagating over the image - a technique that makes the model unusually insensitive to noisy input sequences. The model is based on a neural network and requires spontaneous activation of the nodes in order to be operative. The model has been tested in computer simulations with over 300 000 nodes and

The Tree Theme Method(®) (TTM), an occupational therapy intervention for treating depression and anxiety: study protocol of a randomized controlled trial.

Depression and anxiety disorders are increasing among the general population in the Western world. Individuals may need several kinds of treatment in order to maintain health, such as cognitive behavioural therapy (CBT) and drug treatment. However, having an everyday life that "works" is also important, suggesting a need for interventions based on activities that facilitate a satisfying everyday l

Mercury Emissions Into the Atmosphere From A Chlor-alkali Complex Measured With the Lidar Technique

Data are reported on atmospheric mercury flux measured by a lidar system at a chlor-alkali plant located in central Italy. Two mercury sources were identified over the electrolytic cell rooms. A flux value of 36 g h-1 was determined during the daytime while at night the value increase to 56 g h-1. The mercury emitted into the atmosphere was found to be 4 g per 1000 kg of chlorine produced. Atmosph

Deposition of Airborne Particles onto the Human Eye - Wind Tunnel Studies of the Deposition Velocity onto the Eyes of a Mannequin

Abstract In the field of occupational hygiene much consideration is devoted to the uptake through the human airways, but there are also reports of irritations, complaints and hazards or potential hazards due to particle deposition onto the eyes. There is a need for data regarding the dependence of the deposition rate on particle size and environmental parameters in order to formulate sampling crit

PIV measurement of separated flow in a square channel with streamwise periodic ribs on one wall

In. this study, particle image velocimetry (PIV) is used to investigate the physical process of separated flow in a square channel roughened with periodically transverse ribs on one wall. The ribs obstruct the channel by 15% of its height and are arranged 12 rib heights apart. The Reynolds number based on the bulk-mean velocity and the corresponding hydraulic diameter of the channel, is fixed at 2

Review Article: End-of-Life Care for Old People: A Review of the Literature.

The aim of this study was to make an inventory of various aspects of end-of-life care of the old people. An additional aim was to illuminate gaps in existing knowledge. A systematic literature review focusing on intervention studies was carried out. Three concepts were of special interest: end-of-life care, palliative care, and terminal care. The result encompassed 29 studies, and the articles wer

Chapter 28 future perspective in peripheral nerve reconstruction.

Nerve injuries induce severe disability and suffering for patients. Profound alterations in nerve trunks, neurons, and the central nervous system are induced rapidly after injury. This includes activation of intracellular signal transduction mechanisms aiming at the transfer of the cells into a regenerative state through the induction of the appropriate gene programs. The understanding of the neur

Cytokine levels in the blood may distinguish suicide attempters from depressed patients.

Elevated plasma cytokines is a common finding in Major Depressive Disorder (MDD), although not consistent. It is currently not known whether the inflammatory changes are confined to any specific subgroup of depressive patients. We here analyzed three inflammatory markers in suicidal and non-suicidal depressive patients, as well as healthy controls. Plasma interleukin (IL)-2, IL-6 and tumor necrosi