We have reviewed the literature data regarding the spectrum of tumors including solitary fibrous tumor and hemangiopericytoma with special focus on definition of the disease, discussion of the criteria for malignancy, and the key elements of standard treatment of localized disease. We have discussed the emerging concepts on the tumor biology and the different systemic treatments (chemotherapy a...

BACKGROUND The Program for All-inclusive Care of the Elderly (PACE) has been hailed as successful but of limited appeal. This study contrasts the effects on hospital utilization of PACE and a more liberal variant, the Wisconsin Partnership Program (WPP). METHODS Hospital and emergency room (ER) utilization data from two sites that used both PACE and WPP to serve elderly clients were compared....

Water retention and hydremia have attracted considerable attention in the last decade. In 1921 Miller and Williams (1) reported observations on three patients with hypertension and nephritis who were given 5 to 10 liters of water in 24 hours by Rehfuss tube. Two of these patients developed headache, dizziness, general depression, increased blood pressure and cramps in the legs. The third patien...

Abst rac t . The role of perception and action in current AI systems is analyzed and some points concerning present AI methodologies are discussed. It is argued that if we accept as a central goal for AI to build artificial systems that behave in an intelligent way in the real world, then additional evaluation criteria for intelligent systems should be used. Finally, some of these criteria are ...

Go is an ancient game, for which it has proven to be very difficult to create an artificial player. Go81 is yet another try in that direction. The main idea is as follows: firstly, create a so called ant that tries to play as well as possible, given that it has to be very fast and slightly randomized. Secondly, use these ants to play the game from the current state to the end several times and ...

Real hypersexuality is rare in demented subjects. Most inappropriate sexual behaviors are related to disinhibition or lack of taking into account contextual environment and feelings of others. Four dimensions should be taken into account for their analysis: research of intimacy, libido enhancement, disinhibition, and cognitive factors. An integrative model is proposed to adequately adapt their ...

Ferguson and Henderson (1947) described the isolation of a motile coliform organism possessing the major somatic antigen of Shigella sonnei, form I, from the feces of a patient whose clinical history was not available. They called the organism strain C27. It was also found in man and animals by Wheeler (1947), van de Pitt (1953), and Schmid, Velaudapilli and Niles (1954). Recently, similar orga...

But the Lord came down to see. .. the tower which the sons of men had built. And the Lord said, ''Indeed the people are one and they all have one language, and this is what they begin to do;. .. Come, let Us go down and there confuse their language, that they may not understand one another's speech.''. .. Therefore its name is called Babel, because there the Lord confused the language of all th...