The residence time distribution (RTD), the mean residence time ((t)

over bar), the dimensionless variance (sigma(2)(theta)), the Peclet number learn more (Pe) and the fluorescence peak intensity distribution of pure polymers and binary polymer systems were investigated and interpreted in terms of polymers rheological properties. It was observed that polymers presenting higher viscosity or higher pressure showed longer residence time. A difference in behavior was also observed for the RTD of miscible and immiscible blends. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 120: 2304-2312, 2011″
“Angiosarcoma is a rare malignant vascular neoplasm which can arise in any part of the body. Specific recognition of this neoplasm in cytological specimens is difficult in the absence of an ancillary method. Herein, we present the cytologic findings of two cases of angiosarcomas diagnosed on fine needle aspiration cytology. One case is a recurred angiosarcoma in the left chest wall and the other case is a lymphedema-associated angiosarcoma AZ 628 ic50 in the left lower leg. The cytologic findings of both cases are similar. Cytologic features that identified this neoplasm as an angiosarcoma included arborizing microtissue fragments, irregular

anastomosing vascular spaces lined by atypical cells, microacini, intracytoplasmic lumen, and intracellular red blood cells, marked cell discohesiveness, GDC-0994 in vivo spindle to ovoid, irregular, hyperchromatic nuclei, and elongated cytoplasmic processes with indistinct borders. This report emphasizes that when aspiration smears show vasoformative features in a bloody background, angiosarcoma should be included in the differential diagnosis.”
“Aims: Patients

with advanced squamous carcinoma of the head and neck who are treated with concurrent chemoradiotherapy schedules are often referred for gastrostomy tube (G-tube) insertion. Decision making to select appropriate patients is inconsistent and the factors that lead healthcare workers to make this recommendation are not well understood. Therefore, by means of a web-based questionnaire we sought the views of a variety of healthcare professionals as to their current practice with regard to various issues surrounding the recommendation of G-tube insertion use in these patients and analysed the responses with regard to decision making.

Materials and methods: Questions were generated after discussion among and agreement from all members of a single National Health Service Trust head and neck multidisciplinary team and were hosted on a website. Appropriate individuals were identified through their governing body organisations and invited by e-mail to complete the questionnaire. The results were pooled and analysed.

Results: Recommendations for gastrostomy were not based on tumour subsite.