scholarly journals Relationship between magnetic resonance imaging lesions and knee symptoms in early knee osteoarthritis: A cross-sectional Japanese population study

2020 ◽  
Author(s):  
Seiya Ota ◽  
Eiji Sasaki ◽  
Shizuka Sasaki ◽  
Daisuke Chiba ◽  
Yuka Kimura ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Logistic Regression ◽  
Regression Analysis ◽  
Magnetic Resonance ◽  
Cartilage Damage ◽  
Resonance Imaging ◽  
Radiographic Evidence ◽  
Cross Sectional ◽  
Meniscal Lesions ◽  
Structural Abnormalities

Abstract Background: The prevalence of minute structural abnormalities in early knee osteoarthritis (KOA) and their association with knee symptoms remains unclear. We investigated the prevalence of abnormalities detected by magnetic resonance imaging (MRI) and their relation to knee symptoms in women without radiographic evidence of KOA.Methods: This cross-sectional cohort study in a Japanese population included 261 women without radiographic evidence of KOA, which was defined as a Kellgren‒Lawrence grade < 2. All participants underwent T2-weighted fat-suppressed MRI of their right knee. Structural abnormalities (cartilage damage, bone marrow lesions [BMLs], subchondral cysts, bone attrition, osteophytes, meniscal lesions, and synovitis) were scored according to the Whole-Organ MRI Scoring method. Knee symptoms were evaluated by the Knee injury and Osteoarthritis and Outcome Score (KOOS). Participants were divided into early KOA and non-KOA groups based on early KOA classification criteria. Logistic regression analysis was performed to evaluate the relationship between MRI abnormalities and knee symptoms.Results: Cartilage damage were the most common abnormality (53%), followed by osteophytes (43%), and BMLs (33%). The prevalence of BMLs (47%), meniscal lesions (26%), and synovitis (37%) was higher in early KOA than in non-KOA. On logistic regression analysis, synovitis (odds ratio [OR] = 1.901, P = 0.013) and meniscal lesions (OR = 1.410, P = 0.045) were positively associated with the presence of early KOA.Conclusions: The prevalence of BMLs, meniscal lesions, and synovitis was higher in symptomatic knees. Synovitis was most strongly associated with knee pain and might be a therapeutic target in patients with early KOA.

scholarly journals Relationship between abnormalities detected by magnetic resonance imaging and knee symptoms in early knee osteoarthritis

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Seiya Ota ◽  
Eiji Sasaki ◽  
Shizuka Sasaki ◽  
Daisuke Chiba ◽  
Yuka Kimura ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Knee Osteoarthritis ◽  
Cartilage Damage ◽  
Resonance Imaging ◽  
Mri Findings ◽  
Radiographic Evidence ◽  
Cross Sectional ◽  
Meniscal Lesions ◽  
Magnetic Resonance Imaging Mri

AbstractWe investigated the prevalence of magnetic resonance imaging (MRI) findings and their relationship with knee symptoms in women without radiographic evidence of knee osteoarthritis (KOA). This cross-sectional cohort study included 359 Japanese women without radiographic evidence of KOA (Kellgren‒Lawrence grade < 2). All participants underwent T2-weighted fat-suppressed MRI of their knees. Structural abnormalities (cartilage damage, bone marrow lesions [BMLs], subchondral cysts, bone attrition, osteophytes, meniscal lesions, and synovitis) were scored according to the whole-organ MRI score method. Knee symptoms were evaluated using the Knee Injury and Osteoarthritis Outcome Score. Participants were divided into early and non-KOA groups based on early KOA classification criteria. Logistic regression analysis was performed to evaluate the relationship between MRI abnormalities and knee symptoms. Cartilage damage was the most common abnormality (43.5%). The prevalences of cartilage damage, BMLs, subchondral cysts, bone attrition, meniscal lesions, and synovitis were higher in patients with early KOA than in those without. Synovitis (odds ratio [OR] 2.254, P = 0.002) and meniscal lesions (OR 1.479, P = 0.031) were positively associated with the presence of early KOA. Synovitis was most strongly associated with knee pain and might be a therapeutic target in patients with early KOA.

scholarly journals Synovitis in Knee Osteoarthritis Assessed by Contrast-enhanced Magnetic Resonance Imaging (MRI) is Associated with Radiographic Tibiofemoral Osteoarthritis and MRI-detected Widespread Cartilage Damage: The MOST Study

2014 ◽  
Vol 41 (3) ◽  
pp. 501-508 ◽  
Author(s):  
Ali Guermazi ◽  
Daichi Hayashi ◽  
Frank W. Roemer ◽  
Yanyan Zhu ◽  
Jingbo Niu ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Cartilage Damage ◽  
Resonance Imaging ◽  
Cross Sectional ◽  
Knee Oa ◽  
Synovitis Score ◽  
Contrast Enhanced ◽  
Tibiofemoral Osteoarthritis ◽  
Meniscal Damage

Objective.To examine the cross-sectional association of whole-knee synovitis assessed by contrast-enhanced magnetic resonance imaging (CEMRI) with radiographic tibiofemoral osteoarthritis (OA), non-CEMRI-assessed cartilage damage, and meniscal status.Methods.Multicenter Osteoarthritis Study (MOST) is a cohort study of people with or at high risk of knee OA. Subjects are a subset of MOST who volunteered for both CEMRI and non-CEMRI. Using CEMRI, synovitis was assessed at 11 sites and graded 0–2 at each site. Presence of “whole-knee synovitis” was defined as the synovitis score of ≥ 1 at any site from each knee. Cartilage and meniscal damage was evaluated using non-CEMRI based on the Whole Organ MRI Score. Logistic regression was used to assess associations of synovitis with radiographic OA (Kellgren-Lawrence grade ≥ 2), widespread cartilage damage, and meniscal damage, adjusting for age, sex, and body mass index (BMI). Additional analyses were performed excluding subjects who had chondrocalcinosis on radiography and those taking antiinflammatory medications.Results.Four hundred four subjects were included (mean age 58.8 ± 7.0 yrs, BMI 29.6 ± 4.9 kg/m2, 45.5% women). On CEMRI, the maximum synovitis score across 11 sites in each knee was 0 in 106 knees (26.2%), 1 in 135 (33.4%), and 2 in 163 (40.4%). Synovitis was associated with radiographic OA [adjusted OR (aOR) 3.25, 95% CI 1.98–5.35] and widespread cartilage damage (aOR 1.91, 95% CI 1.24–2.92). Severe meniscal damage showed a borderline significant association with synovitis (aOR 1.74, 95% CI 0.99–3.04). Additional analyses as described did not notably change the results.Conclusion.CEMRI-detected synovitis is strongly associated with tibiofemoral radiographic OA and MRI-detected widespread cartilage damage.

CHARACTERISTICS OF KNEE JOINT’S ULTRASOUND AND MAGNETIC RESONANCE IMAGING ON PATENTS WITH PRIMARY KNEE OSTEOARTHRITIS

2021 ◽  
Vol 62 (5) ◽  
Author(s):  
Nguyen Thi Thuy Linh
Keyword(s):  
Magnetic Resonance Imaging ◽  
Articular Cartilage ◽  
Magnetic Resonance ◽  
Knee Osteoarthritis ◽  
Cartilage Damage ◽  
Cross Sectional Study ◽  
Meniscus Tear ◽  
Resonance Imaging ◽  
Cross Sectional ◽  
Articular Cartilage Damage

Objectives: Describing the characteristics of ultrasound and magnetic resonance imaging of knee joints in patients with primary knee osteoarthritis.Subjects and methods: Prospective, descriptive, cross-sectional study on patients diagnosed with primary knee osteoarthritis who were examined as an outpatient or inpatient at 108 Military CentralHospital.Results: Ultrasound features: 100% articular cartilage damage, 87.8% bone spurs, 73.0% effusion, 9.3% popliteal cocoon, 3.4% synovial thickening. Degree of cartilage damage according toSaarakkala: grade 1: 2.1%, grade 2A: 63.7%, grade 2B: 29.1%, grade 3: 5.1%. Magnetic resonance characteristics: 100% articular cartilage damage, 96.3% bone spurs, 90.6% effusion, 84.1% bonemarrow edema, 69.2% bone cocoon, 61.7% meniscus tear, popliteal cocoon 11.3%. osteoarthritis lesions were more common in the medial femoral and tibial joints than in the lateral tibial and patellar joints.Conclusion: Cartilage damage, bone spurs, and effusion were common lessions on ultrasound and magnetic resonance imaging on patients with knee osteoarthritis.

scholarly journals Self-Reported Weather Sensitivity is Associated with Clinical Symptoms and Structural Abnormalities in Patients with Knee Osteoarthritis: A Cross-Sectional Study

2021 ◽  
Author(s):  
Yan Xue ◽  
Yan Chen ◽  
Ding Jiang ◽  
Lin Wang ◽  
Xuezong Wang ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Knee Osteoarthritis ◽  
Clinical Symptoms ◽  
Blood Levels ◽  
Resonance Imaging ◽  
Cross Sectional ◽  
Weather Sensitivity ◽  
Functional Scores ◽  
Structural Abnormalities

Abstract Background Patients with knee osteoarthritis (KOA) often complain about clinical symptoms affected by weather-related factors. The purpose of the present study was to use cross-sectional analysis to determine whether weather sensitivity was associated with clinical symptoms, as well as structure abnormalities, in KOA patients.Methods Data from 80 participants were obtained from the Feng Hans Shi Effects on OA (FHS) study, an OA cohort study initiated in China in 2015. The weather sensitivity of each participant was determined by a self-reported questionnaire. The following measurements were used to assess clinical and biological outcomes: a visual analog scale (VAS) for pain; Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC); and blood levels of tumor necrosis factor α (TNF-α), interleukin 6 (IL-6), and interleukin 1(IL-1). Structural changes identified via magnetic resonance imaging (MRI) were also evaluated. Independent sample t-tests, chi-square tests, Fisher’s exact tests, Cochran-Armitage tests for linear trends, and binary linear regression were used to evaluate the clinical characteristics, biomarkers, WOMAC, and Whole-Organ Magnetic Resonance Imaging Score (WORMS) of weather-sensitive KOA patients and non-weather-sensitive KOA patients.Results Most of the KOA participants (57.5%) perceived the weather as affecting their knee-joint clinical symptoms. Through logistic regression analysis, the presence of weather sensitivity was found to increase the risk of KOA participants reporting higher levels of WOMAC pain scores [OR = 3.3 (95% CI: 1.1, 9.9), P > 0.032], functional scores [OR = 5.5 (95% CI: 1.8,16.8), P > 0.003], total scores [OR = 3.3 (95% CI: 1.1, 10.2), P = 0.034], WORMS cartilage scores [OR = 3.1 (95% CI: 1.1, 8.5), P < 0.027], and marrow abnormality scores [OR = 3.0 (95% CI: 1.1, 8.1), P > 0.029].Conclusions Weather-sensitive KOA patients were prone to show more serious clinical symptoms and structural abnormalities in their knee joints. Therefore, the existence of weather sensitivity may accelerate the progress of KOA.

scholarly journals Cross-sectional anatomy, computed tomography, and magnetic resonance imaging of the banded houndshark (Triakis scyllium)

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Sang Wha Kim ◽  
Adams Hei Long Yuen ◽  
Cherry Tsz Ching Poon ◽  
Joon Oh Hwang ◽  
Chang Jun Lee ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Computed Tomography ◽  
Magnetic Resonance ◽  
Soft Tissues ◽  
Imaging Techniques ◽  
Evolutionary Developmental Biology ◽  
Phylogenetic Position ◽  
Ct Scanner ◽  
Resonance Imaging ◽  
Cross Sectional

AbstractDue to their important phylogenetic position among extant vertebrates, sharks are an invaluable group in evolutionary developmental biology studies. A thorough understanding of shark anatomy is essential to facilitate these studies and documentation of this iconic taxon. With the increasing availability of cross-sectional imaging techniques, the complicated anatomy of both cartilaginous and soft tissues can be analyzed non-invasively, quickly, and accurately. The aim of this study is to provide a detailed anatomical description of the normal banded houndshark (Triakis scyllium) using computed tomography (CT) and magnetic resonance imaging (MRI) along with cryosection images. Three banded houndsharks were scanned using a 64-detector row spiral CT scanner and a 3 T MRI scanner. All images were digitally stored and assessed using open-source Digital Imaging and Communications in Medicine viewer software in the transverse, sagittal, and dorsal dimensions. The banded houndshark cadavers were then cryosectioned at approximately 1-cm intervals. Corresponding transverse cryosection images were chosen to identify the best anatomical correlations for transverse CT and MRI images. The resulting images provided excellent detail of the major anatomical structures of the banded houndshark. The illustrations in the present study could be considered as a useful reference for interpretation of normal and pathological imaging studies of sharks.

scholarly journals Magnetic resonance imaging template to standardize reporting of anal fistulas

2021 ◽  
Author(s):  
I. Sudoł-Szopińska ◽  
G. A. Santoro ◽  
M. Kołodziejczak ◽  
A. Wiaczek ◽  
U. Grossi
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Treatment Strategies ◽  
Cross Sectional Study ◽  
Resonance Imaging ◽  
Anal Fistulas ◽  
Cross Sectional ◽  
Radiology Reports ◽  
Colorectal Surgeons ◽  
Magnetic Resonance Imaging Mri

AbstractAnal fistula (AF) is a common referral to colorectal surgeons. Management remains challenging and sometimes controversial. Magnetic resonance imaging (MRI) is commonly performed in initial workup for AF. However, reports often lack key information for guiding treatment strategies. It has been shown that with structured radiology reports, there is less missing information. We present a structured MRI template report including 8 key descriptors of anal fistulas, whose effectiveness and acceptability are being assessed in a cross-sectional study (NCT04541238).

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