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OBJECTIVE Myostatin, a negative regulator of skeletal muscle growth, may modulate grip strength, an indicator of muscle function. Its serum levels could be modulated by maintenance haemodialysis (MHD). DESIGN A descriptive cross-sectional study. PATIENTS Forty-one normal controls and 60 MHD patients using different dialyzers at a medical centre. (More)
PURPOSE To dosimetrically evaluate the importance of timely reviewing daily CBCTs for patients with head and neck cancer. METHODS After each fraction daily cone-beam CT (CBCT) for head and neck patients are reviewed by physicians prior to next treatment. Physician rejected image registrations of CBCT were identified and analyzed for 17 patients. These(More)
PURPOSE To calculate the delivered dose for head and neck SBRT patients using pre-treatment images. This delivered dose was then used to determine the viability of 2.5 mm margins. METHODS Daily cone beam CTs (CBCTs) were collected for 20 patients along with a planning CT, planned dose, and planning structures. The day 1 CBCT was aligned to the planning CT(More)
PURPOSE To compare mean lung dose (MLD) estimates from 99mTc macroaggregated albumin (MAA) SPECT/CT using two published methodologies for patients treated with 90 Y radioembolization for liver cancer. METHODS MLD was estimated retrospectively using two methodologies for 40 patients from SPECT/CT images of 99mTc-MAA administered prior to radioembolization.(More)
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