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introduction: the use of stereological methods in evaluation of volume changes in vital organs such as kidney is very important. in this study, the volume of glomeruli in glycerol-induced acute renal failure in rats was determined. methods: 48 sprague-dawley male rats were divided into 2 groups (1control, 1experiment). experimental group was injected 10ml/kg of 50% glycerol intramuscularly, whi...

objective(s): considering the fact that the standardized uptake value (suv) of a normal lung tissue is expressed as x±sd, x+3×sd could be considered as the threshold value to outline the internal tumor volume (itv) of a lung neoplasm. methods: three hollow models were filled with 55.0 kbq/ml fluorine18- fluorodeoxyglucose (18f-fdg) to represent tumors. the models were fixed to a barrel filled w...

background: to determine which radiotherapy parameters are associated with the tumor response of locally advanced non-small cell lung cancer (nsclc) patients undergoing concurrent chemoradiotherapy. materials and methods: thirty one patients with iiia/iiib nsclc underwent chemoradiotherapy with a median dose of 63 gy. on our actual treatments, we made radiotherapy planning to cover the planning...

purpose : to investigate the validity of pentacam derived parameters like corneal volume distribution and percentage increase in volume in differentiation of mild to moderate keratoconus from normal corneas methods : forty eyes with mild to moderate keratoconus and 200 normal eyes were studied by pentacam. corneal volume was calculated within diameters from 1.0 to 7.0 mm with 0.5 mm steps cente...