The relationship between the travelling speed and motorcycle styles in urban settings: a case study in Belgrade.

This report examines the difference in the distribution of the speeds of different motorcycle styles and the difference in the distribution of speeds of particular motorcycle styles and cars. The relationship between the speed of motorcycles that possess and those that do not possess vehicle registration plates was also explored. The speed was measured at six different locations on main roads in the city of Belgrade, Serbia.

Evaluation of the tibial tunnel after intraoperatively administered platelet-rich plasma gel during anterior cruciate ligament reconstruction using diffusion weighted and dynamic contrast-enhanced MRI.

Purpose: To evaluate effect of platelet-rich plasma gel (PRPG), locally administered during the anterior cruciate ligament (ACL) reconstruction, with two MRI methods. The proximal tibial tunnel was assessed with diffusion weighted imaging (DWI) and with dynamic contrast-enhanced imaging (DCE-MRI).

Materials And Methods: In 50 patients, standard arthroscopic ACL reconstructions were performed.

Quantitative evaluation of the tibial tunnel after anterior cruciate ligament reconstruction using diffusion weighted and dynamic contrast enhanced MRI: a follow-up feasibility study.

Objective: The aim of the study was to evaluate the feasibility of two quantitative MRI methods: diffusion weighted imaging (DWI) and dynamic contrast enhanced imaging (DCEI), for follow-up assessment of the tibial tunnel after reconstruction of the anterior cruciate ligament (ACL).

Materials And Methods: Twenty-three patients were examined by MRI at 1 and 6 months following ACL reconstruction. DWI and DCEI were utilized for evaluating the region of interest (ROI) within the proximal part of the tibial tunnel.

Dynamic contrast enhanced MRI of mouse fibrosarcoma using small-molecular and novel macromolecular contrast agents.

The aim of the study was a comparison of 2 novel macromolecular contrast agents, Gadomer-17 and Polylysine-Gd-DTPA, with commercially available Gd-DTPA in determining the quality of tumor microvasculature by dynamic contrast enhanced MRI. Three groups of 5 mice with SA-1 tumors were studied. To each group of animals one contrast agent was administered; i.

Monitoring ankylosing spondylitis therapy by dynamic contrast-enhanced and diffusion-weighted magnetic resonance imaging.

Objective: The effects of different therapies on enthesitis/osteitis in active ankylosing spondylitis (AS) were evaluated by magnetic resonance imaging (MRI). The aim was to assess the role of quantitative MRI in the evaluation of AS treatment efficacy.

Materials And Methods: Thirty patients with active spondylitis or bilateral sacroiliitis were selected and followed up for 1 year.

Bone scintigraphy as a prognostic indicator for bone collapse in the early phases of femoral head osteonecrosis.

Objective: Destructive and reconstructive processes at the reactive interface in femoral head osteonecrosis (FHO) are not well defined or predictable. The objectives of our study were to analyze scintigraphic characteristics of the reactive interface in the early stages of FHO and to assess the prognostic value of the reactive interface on scintigraphy (SC).

Methods: Thirty-six hips in 27 patients (21 men, 6 women; mean age 41 years, range 20 64 years) with a final diagnosis of radiographic stage 1 (4 hips) or stage 2 FHO (32 hips) were evaluated by planar and pinhole SC.

Vertebral infection.

Vertebral infection represents 2-4% of all cases of osteomyelitis. An increase in the incidence of pyogenic as well as granulomatous spondylitis has been noticed. Early radiological diagnosis is of great importance for prompt treatment and prevention of clinically significant consequences which include neural compromise and late spinal deformities.