The objective of this study was to assess the effectiveness of a previously described technique of regional analgesia (continuous infusion of local anesthetic through a catheter placed at the time of amputation within the exposed sciatic or posterior tibial nerve) on relieving the postoperative pain in a heterogeneous group of patients who underwent lower extremity amputations. A second objecti...

OBJECTIVES The aim of this study was to construct an anatomically correct phantom for visualization of anal sphincter complex structures. METHODS To ake an endoanal ultrasound phantom, we experimented with a variety of commercially available materials to simulate hyperechoic, hypoechoic, and isoechoic tissue consistency. We created external anal sphincter muscle and the levator plate using st...

An important step in the verification of the reliability of portal films as in vivo dosemeters is the evaluation of the agreement between exit dose profiles and optical density profiles measured on the portal film. To test the possibilities of a conventional portal film system in 60Co beams suitable for head and neck irradiation, we verified the agreement between relative exit doses (measured b...

We have studied the normal and superconductive state characteristics (resistivity, Hall coefficient, heat capacity, magnetization) of model strongly correlated electronic systems ${\mathrm{Lu}}_{x}{\mathrm{Zr}}_{1\ensuremath{-}x}{\mathrm{B}}_{12}$ with cooperative Jahn-Teller instability boron rigid cage dynamic charge stripes. It was found that these metals are s-wave dirty limit superconducto...

PURPOSE Fiber carbon is the most common material used in treating couch as it causes less beam attenuation than other materials. Beam attenuation replaces build-up region, reduces skin-sparing effect and causes target volume under dosage. In this study, we aimed to evaluate beam attenuation and variation of build-up region in 550 TxT radiotherapy couch. MATERIALS AND METHODS In this study, we...

Key applications of quantum computing, including error correction, rely critically on the capability to measure (read out) state selected bits, without disturbing other qubits or terminating computation. Such $m\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}d\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}r\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}u\phantom{\rule{0}{...

The aim of this report is to present a new two-piece thyroid-neck phantom produced by the concurrent use of epoxy resin and poly(methyl methacrylate) (PMMA: plexiglass) soft tissue equivalent materials. Accordingly, mass attenuation coefficients of the epoxy resin and the plexiglass compounds were obtained from simulation (NIST XCOM 3.1) and measurements (practical dosimetry) and compared to th...

OBJECTIVE To determine the frequency of phantom limb sensation (PLS) and phantom limb pain (PLP) in children and young adults suffering landmine-related amputation. MATERIALS & METHODS All youths with amputation due to landmine explosions participated in this study. The proportions of patients with phantom limb sensation/pain, intensity and frequency of pain were reported. Chi square test was...

A new anthropometric phantom having the shape of the adult human knee and containing a removable femur, patella, tibia, and fibula, has been developed for use in calibrating in vivo measurements of bone-seeking radionuclides. The shell of the phantom is assembled in three interlocking sections so that the skeletal components can easily be exchanged. All the materials used in the phantom have th...