four magnetic resonance images mris of the knee joint

... suspicion of HO, in the hip joints of patients with spinal cord injury [11] The purpose of the present study was to evaluate the MRI findings on clinical suspicion of HO in the knee joint of patients ... in the knee joint of 11 intensive care unit patients Increase of serum levels of alkaline phosphatase (ALP) was the earliest indication of HO MRI, magnetic resonance imaging tomic position of the ... signal on STIR images) This was the only part of the vastus medialis involved in the development of HO In previously reported cases of HO in the knee joint, precipitated by either trauma or neurogenic...

Ngày tải lên: 13/08/2014, 03:20

... arrow) and the tumour's extension into the vastus medialis muscle is seen Page of Figure Sagittal T2-weighted fat suppressed image of the left knee showing thin fibrofatty septae of low signal ... effusions [25] These recurrent spontaneous hemarthroses of the knee joint and normal coagulation parameters should direct attention to the possibility of a synovial hemangioma The clinical diagnosis ... without a history of intermittent effusions, as in our case Plain films are often of poor diagnostic value because they are normal in over half of patients, and in other cases they show soft tissue...

Ngày tải lên: 11/08/2014, 12:20

... FAST REGISTRATION OF CONTRAST-ENHANCED MAGNETIC RESONANCE IMAGES OF THE BREAST SUN YIN (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL & ... (FEM), and the results confirmed the reliability of the method The calculation of MI and NMI is a highly computationally intensive task It requires the formation of the joint histogram of corresponding ... shown that the joint probability density function (PDF) of the image voxel pairs can be modeled as a mixture of joint Gaussians [20] The computational complexity of estimating the joint Gaussian...

Ngày tải lên: 06/10/2015, 20:49

... implementations of snakes that have been used over the past years They applied their model on many different kinds of images, including: • CT images of the lungs • MR images of the brain • MR images of the ... of the thesis The outline of the thesis is as follows : 1.4 ORGANIZATION OF THE THESIS • Chapter We present a literature review firstly on the status of colonography (CT and MR) and then on the ... rather than CT colonography [24] In the present work, we focus on the processing of images in MR colonography 1.2 Aim of the Thesis One of the most important steps in the processing of the images...

Ngày tải lên: 16/10/2015, 15:38

... using the GE Signa Excite due to the use of two kinds of MR scanners On the workstation, the ADC value of each pixel was constantly displayed on the screen with a movement of a region of interest ... outcome The degree of the changes of the DWI and the ADC signal intensity correlates with the severity of neuronal injury because modest changes reflect signs of ongoing lesions, and a severe drop of ... not homogeneous in the different regions of Table Prediction of unfavourable outcome using the optimal cutoffs of the ADC and the percent ADC Grey matter structures Optimal cutoff ADC Sensitivity...

Ngày tải lên: 13/08/2014, 20:21

... fraction of the total number of slices in the data set Having built the patient-specific masticatory muscles models, the fourth objective of the thesis is to develop a technique which incorporates the ... extracting the background of the CT slice, the next task will be to obtain the surface data from the extracted background This is achieved by making use of the 3× Sobel filter to obtain the edges of the ... radiologist From these training sets, we determine the locations of the dominant slices for each of the muscles using a set of criteria which best captures the main features of the muscle shape...

Ngày tải lên: 12/09/2015, 08:20

... Organization of the thesis 1.6 Organization of the thesis The remaining chapters of the thesis is organized as follows Chapter surveys a variety of techniques proposed in the literature for the brain ... methods that extract the boundary of the tumor in 2D tumor slices while the other algorithms perform directly on the 3D images of the tumor In the last section we discuss the 3D segmentation approaches ... made at the final output nodes (Fig 2.3) The training phase for these models consists of determining the values of the parameters for the mathematical operations such that the error of predictions,...

Ngày tải lên: 08/11/2015, 17:33

... [3] Clinical manifestations of OA of the knee include pain in and around the joint, stiffness of the joint, crepitation on motion and limited joint motion, among others [4] Current recommendations ... observed in the active treatment groups when compared to the placebo (data not shown) These findings further demonstrate the safety of 5-Loxin® and Aflapin® in humans During the course of the 90-day ... [31] The pain subscale was the average of the first five questions of WOMAC and measured using the NU scale from ('no pain') to 100 ('extreme pain') for each question The stiffness subscale was the...

Ngày tải lên: 25/10/2012, 11:40

... arthritis or other types of pain) or is unwilling to stop taking other medications for the treatment of OA Any other condition that, in the opinion of the investigator, would adversely affect the subject's ... measures and blood measures of OA of the knee compared to G+C It was hypothesized that UC-II would reduce symptoms of OA of the knee to a greater extent than G+C A meta-analysis of 20 randomized control ... withdrawn from the study (without penalty) if, in the opinion of the treating physician, it was not in the patient’s best interest to continue For instance, if during the course of the study a patient...

Ngày tải lên: 26/10/2012, 09:48

... responses to knee- related questions Variable n Knee pain present during day: None of the time Some of the time All of the time Knee pain present at night: None of the time Some of the time All of the ... All of the time Knee pain worse on movement: None of the time Some of the time All of the time Knee stiff in morning: None of the time Some of the time All of the time Duration of morning stiffness: ... practice The lack of standardisation in the choice of instruments limits the generalisability of results Furthermore, of the five instruments included in the review that were based on the views of...

Ngày tải lên: 18/06/2014, 19:20

... complaints These patients were asked whether they understood all items and whether they had any problems with the formulation of the items on the Dutch version of the KOOS questionnaire None of the ... measurement error of a score, expressed in the unit of measurement of the instrument [19] The SEM was calculated as the square root of the sum of the between administration variance and the residual ... instruments The formulation of the hypotheses was based on the starting point that there is a clear distinction between the subscales of the KOOS questionnaire We defined the construct validity of the...

Ngày tải lên: 18/06/2014, 22:20

... single ring was applied to the femur and was connected to the tibial rings using threaded rods (Figure 7) The soft tissues in the front of the knee were repaired in layers The patient was allowed ... cases involving the knee joint the treatment involves radical joint resection to prevent local recurrence and metastatic disease [5] As with other tumors occurring around the knee, the residual ... Merritt WM: Chondroblastoma of the pelvis suggestive of malignancy J Bone Joint Surg [Am] 1975, 57(4):549-51 Page of 17 Assor B: Chondroblastoma of the rib J Bone Joint Surg [Am] 1973, 55:208-10...

Ngày tải lên: 20/06/2014, 04:20

... to the major ligaments of the knee J Bone Joint Surg Am 1950, 32(A:4):721-38 18 Brantigan OC, Voshell AF: The mechanics of the ligaments and menisci of the knee joint The Journal of Bone and Joint ... attached to the dMCL (Fig 4) The length of the MTL was defined from the centroid of its tibial insertion to the center of its insertion on the medial meniscus The insertion areas of the dMCL on the femur ... attached to the medial meniscus of the knee (right knee) ; (B) the anterior portion of the sMCL was cut and everted, the posterior portion of the sMCL was connect to the meniscus Discussion The study...

Ngày tải lên: 20/06/2014, 04:20

... to the major ligaments of the knee J Bone Joint Surg Am 1950, 32(A:4):721-38 18 Brantigan OC, Voshell AF: The mechanics of the ligaments and menisci of the knee joint The Journal of Bone and Joint ... attached to the dMCL (Fig 4) The length of the MTL was defined from the centroid of its tibial insertion to the center of its insertion on the medial meniscus The insertion areas of the dMCL on the femur ... attached to the medial meniscus of the knee (right knee) ; (B) the anterior portion of the sMCL was cut and everted, the posterior portion of the sMCL was connect to the meniscus Discussion The study...

Ngày tải lên: 20/06/2014, 07:20

... bottom of the screen) The top and bottom thresholds were equally set at 1/3 of the test screen (i.e., circles turn red at the top 1/3 of the screen and at the bottom 1/3 of the screen) The speed ... being the active periods of the tasks and the 30-s 'off' trials with participants instructed to 'rest' while maintaining visual attention to the screen The 'off' trials for all conditions had the ... pressing if the target letter (located in the centre of the screen) matched any of the five flanking letters (see Figure 1) The target letter (middle square) changed every 20 s and the five letters...

Ngày tải lên: 08/08/2014, 23:21

... phase The three main hypotheses of the primary efficacy variable (APID between the baseline pain assessment and the mean of the 3-hour and 5-hour actual pain assessments after the first dose of ... al.: Development of criteria for the classification and reporting of osteoarthritis Classification of osteoarthritis of the knee Diagnostic and Therapeutic Criteria Committee of the American Rheumatism ... record the date and time of rescue acetaminophen use after randomization Efficacy assessments In the single-dose pain assessment phase of the study, the analgesic efficacy of a single dose of study...

Ngày tải lên: 09/08/2014, 07:20

... per SI joint in the subchondral region (the region adjacent to the cortical lamella, extending 0.5 cm into the bone marrow cavity), the bone marrow, the joint capsule (the transition of the joint ... findings Readers agreed on the presence of inflammation at any site in 85% of the cases in the right SI joint, and in 78% of the cases in the left SI joint Kappa values reflecting the agreement for detecting ... site of the joint For the other abnormalities, the grading for the entire joint per observer is presented and structural changes per site and per type of lesion It can be concluded that the agreement...

Ngày tải lên: 09/08/2014, 07:20

... with the patients' preoperative status Evaluating the outcome measures according to the impact of the degree of osteoarthritic degeneration of the knee showed an improvement in the mean scores of ... the quality of life section According to the impact of the degree of osteoarthritic degeneration, patients with osteoarthritis of the knee reported impairment in four subclasses of the SF-36 score ... osteoarthritic defects of the knee Magnetic resonance imaging (MRI) and histological analyses of the cartilage repair tissue as well as the clinical evaluation of a series of 40 patients with a...

Ngày tải lên: 09/08/2014, 10:20

... Clinical manifestations of OA of the knee include pain in and around the joint, stiffness of the joint after rest, crepitating on motion and limited joint motion, among others [4] Current recommendations ... published Therefore, in the present double-blind and placebo-controlled clinical study, we sought to evaluate the efficacy and safety of 5-Loxin® in treatment of OA of the knee We assessed the effectiveness ... history of gout Recent injury in the area affected by osteoarthritis of the knee (past months) and expectation of surgery in the next months Intra-articular corticosteroid injections within the preceding...

Ngày tải lên: 09/08/2014, 10:23

... set of common symptoms, and their symptoms may correlate with size and the location within the knee joint [4] Knee pain, clicks, stiffness, incomplete extension of the knee, and pain at the extremes ... follow-up MRI of both knees (A) Magnetic resonance imaging (MRI) of left knee six months after surgery shows the absence of cystic lesion with a mild increase of signal intensity of Hoffa’s fat ... Journal of Medical Case Reports 2011, 5:351 http://www.jmedicalcasereports.com/content/5/1/351 Page of A B C D Figure Coronal magnetic resonance images of the anterior aspect of the knee (A,...

Ngày tải lên: 10/08/2014, 23:22