Koenraad Verstraete

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OBJECTIVE The aim of this study was to compare the image quality and radiation dose in chest imaging using an amorphous silicon flat-panel detector system and an amorphous selenium flat-panel detector system. In addition, the low-contrast performance of both systems with standard and low radiation doses was compared. MATERIALS AND METHODS In two groups of(More)
We describe a method for diagnosing dural ectasia (DE) and spinal canal widening (SCW) using CT. We examined 23 patients with Marfan's syndrome (MFS), 17 with Ehlers-Danlos syndrome (EDS) and 29 normal subjects, using six axial slices at the level of the L1-S1 pedicles. Transverse diameters of the vertebral bodies, spinal canal and dural sac were measured(More)
Recently, the general finding of increased ankle cartilage stiffness to loading has been challenged, suggesting the need for the investigation of different in vivo loading conditions. Therefore, the objectives of the present study were to determine ankle (talar) cartilage deformation after in vivo loading using 3D volume change calculation and to establish(More)
BACKGROUND No consensus exists on how rehabilitation programs for lumbar discectomy patients with persistent complaints after surgery should be composed. A better understanding of normal and abnormal postoperative trunk muscle condition might help direct the treatment goals. METHODS A three-dimensional CT scan of the lumbar spine was obtained in 18(More)
The trigeminal nerve is the largest cranial nerve with both a sensory and motor function. MRI is an excellent technique to evaluate the trigeminal nerve. We report the MRI findings and illustrate the normal and diseased trigeminal nerve at Meckel's cave, the cavernous sinus, the skull base foramina, the pterygopalatine fossa and the peripheral branches.
The aim of the study is to develop a clinically useful and reproducible method for evaluating lateral meniscal extrusion in normal and transplanted knees under different axial loading conditions. Magnetic resonance imaging (MRI) and ultrasound (US) were used to assess meniscal extrusion. Both types of imaging were performed at least 6 months postoperatively(More)
STUDY DESIGN Mixed model analysis of muscle functional magnetic resonance imaging (MRI) and electromyography (EMG) changes in lumbar muscles during trunk extension exercise at varying intensities. OBJECTIVE To gain insight within the relationship between muscle functional MRI and activity of the lumbar back muscles, which is related to exercise intensity.(More)
OBJECTIVES The purpose of the present study is to determine in what way a conventional versus a modern medical curriculum influences teaching delivery in formal radiology education. METHODS A web-based questionnaire was distributed by the ESR to radiology teaching staff from 93 European teaching institutions. RESULTS Early exposure to radiology in(More)
BACKGROUND Peroneal nerve lesions are not common and are often exclusively assessed clinically and electromyographically. METHODS On a routine MR examination without dedicated MR-neurography sequences the peroneal nerve can readily be assessed. Axial T1-weighted sequences are especially helpful as they allow a good differentiation between the nerve and(More)
BACKGROUND In this pilot study we wanted to evaluate the kinematics of a knee implanted with an artificial polycarbonate-urethane meniscus device, designed for medial meniscus replacement. The static kinematic behavior of the implant was compared to the natural medial meniscus of the non-operated knee. A second goal was to evaluate the motion pattern, the(More)