T. Bek

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AIM To investigate the prognostic effect of a delayed interval between neoadjuvant chemoradiotherapy (CRT) and surgery in locally advanced rectal cancer. METHODS We evaluated 87 patients with locally advanced mid- or distal rectal cancer undergoing total mesorectal excision following an interval period after neoadjuvant CRT at Şişli Hamidiye Etfal(More)
Pumose. The influence of the widely used test of human autonomic functions-the Valsalva maneuver (VhQ, on the parameters of a pupillaq light reflex, were stodied in nine normal volunteers (mean age 21 .O years) Methods. The consensual pupillary reactions to light were recorded by infrared-reflecting pupillograph, the pupillogram (PC) records on the type(More)
Puroose: Proliferative diabetic retinopathy is assumed to develop because vasogenic factors are released from retinal areas that are ischaemic and hypoxic secondary to occlusion of the retinal vascular bed. It has been propclsed that vascular occlusion in diabetic retinopethy may be due to the deposition of periodic acid Schiff positive glycoprotein(More)
Twenty areas of retinal vascular occlusion from ten eyes of 6 diabetic patients were studied by immunohistochemistry to type IV collagen (basement membranes), von Willebrand factor (endothelial cells), and to glial fibrillary acid protein (glial cells) on serial sections. In all studied lesions immunoreactivity to type IV collagen and von Willebrand factor(More)
Purpose. To develop a mathematical tool for decomposition of comeal topographic data into comprehensive optical components. Methods. The polar data values arising from each mire of the TM>1 cornea1 topographer were separated into spherical (average power), regdar astigmatic (2' harmonic), and non-regular astigmatic components (l', 3', and higher harmonics)(More)
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