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Li X, Chen W, Liu D, Chen P, Li P, Li F, Yuan W, Wang S, Chen C, Chen Q, Li F, Guo S, Hu Z. Radiomics analysis using magnetic resonance imaging of bone marrow edema for diagnosing knee osteoarthritis. Front Bioeng Biotechnol 2024; 12:1368188. [PMID: 38933540 PMCID: PMC11199411 DOI: 10.3389/fbioe.2024.1368188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
This study aimed to develop and validate a bone marrow edema model using a magnetic resonance imaging-based radiomics nomogram for the diagnosis of osteoarthritis. Clinical and magnetic resonance imaging (MRI) data of 302 patients with and without osteoarthritis were retrospectively collected from April 2022 to October 2023 at Longhua Hospital affiliated with the Shanghai University of Traditional Chinese Medicine. The participants were randomly divided into two groups (a training group, n = 211 and a testing group, n = 91). We used logistic regression to analyze clinical characteristics and established a clinical model. Radiomics signatures were developed by extracting radiomic features from the bone marrow edema area using MRI. A nomogram was developed based on the rad-score and clinical characteristics. The diagnostic performance of the three models was compared using the receiver operating characteristic curve and Delong's test. The accuracy and clinical application value of the nomogram were evaluated using calibration curve and decision curve analysis. Clinical characteristics such as age, radiographic grading, Western Ontario and McMaster Universities Arthritis Index score, and radiological features were significantly correlated with the diagnosis of osteoarthritis. The Rad score was constructed from 11 radiological features. A clinical model was developed to diagnose osteoarthritis (training group: area under the curve [AUC], 0.819; testing group: AUC, 0.815). Radiomics models were used to effectively diagnose osteoarthritis (training group,: AUC, 0.901; testing group: AUC, 0.841). The nomogram model composed of Rad score and clinical characteristics had better diagnostic performance than a simple clinical model (training group: AUC, 0.906; testing group: AUC, 0.845; p < 0.01). Based on DCA, the nomogram model can provide better diagnostic performance in most cases. In conclusion, the MRI-bone marrow edema-based radiomics-clinical nomogram model showed good performance in diagnosing early osteoarthritis.
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Affiliation(s)
- Xuefei Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wenhua Chen
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Dan Liu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Pinghua Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Pan Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fangfang Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Weina Yuan
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shiyun Wang
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chen Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qian Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fangyu Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Suxia Guo
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhijun Hu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Li X, Chen W, Liu D, Chen P, Wang S, Li F, Chen Q, Lv S, Li F, Chen C, Guo S, Yuan W, Li P, Hu Z. Pathological progression of osteoarthritis: a perspective on subchondral bone. Front Med 2024; 18:237-257. [PMID: 38619691 DOI: 10.1007/s11684-024-1061-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/17/2024] [Indexed: 04/16/2024]
Abstract
Osteoarthritis (OA) is a degenerative bone disease associated with aging. The rising global aging population has led to a surge in OA cases, thereby imposing a significant socioeconomic burden. Researchers have been keenly investigating the mechanisms underlying OA. Previous studies have suggested that the disease starts with synovial inflammation and hyperplasia, advancing toward cartilage degradation. Ultimately, subchondral-bone collapse, sclerosis, and osteophyte formation occur. This progression is deemed as "top to bottom." However, recent research is challenging this perspective by indicating that initial changes occur in subchondral bone, precipitating cartilage breakdown. In this review, we elucidate the epidemiology of OA and present an in-depth overview of the subchondral bone's physiological state, functions, and the varied pathological shifts during OA progression. We also introduce the role of multifunctional signal pathways (including osteoprotegerin (OPG)/receptor activator of nuclear factor-kappa B ligand (RANKL)/receptor activator of nuclear factor-kappa B (RANK), and chemokine (CXC motif) ligand 12 (CXCL12)/CXC motif chemokine receptor 4 (CXCR4)) in the pathology of subchondral bone and their role in the "bottom-up" progression of OA. Using vivid pattern maps and clinical images, this review highlights the crucial role of subchondral bone in driving OA progression, illuminating its interplay with the condition.
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Affiliation(s)
- Xuefei Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Wenhua Chen
- Research and Development Center of Chinese Medicine Resources and Biotechnology, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Dan Liu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Pinghua Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Shiyun Wang
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Fangfang Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Qian Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Shunyi Lv
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Fangyu Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Chen Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Suxia Guo
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Weina Yuan
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Pan Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Zhijun Hu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
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Maksymowych WP, Jaremko JL, Pedersen SJ, Eshed I, Weber U, McReynolds A, Bird P, Wichuk S, Lambert RG. Comparative validation of the knee inflammation MRI scoring system and the MRI osteoarthritis knee score for semi-quantitative assessment of bone marrow lesions and synovitis-effusion in osteoarthritis: an international multi-reader exercise. Ther Adv Musculoskelet Dis 2023; 15:1759720X231171766. [PMID: 37457557 PMCID: PMC10345937 DOI: 10.1177/1759720x231171766] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 04/05/2023] [Indexed: 07/18/2023] Open
Abstract
Background Bone marrow lesions (BMLs) and synovitis on magnetic resonance imaging (MRI) are associated with symptoms and predict degeneration of articular cartilage in osteoarthritis (OA). Validated methods for their semiquantitative assessment on MRI are available, but they all have similar scoring designs and questionable sensitivity to change. New scoring methods with completely different designs need to be developed and compared to existing methods. Objectives To compare the performance of new web-based versions of the Knee Inflammation MRI Scoring System (KIMRISS) with the MRI OA Knee Score (MOAKS) for quantification of BMLs and synovitis-effusion (S-E). Design Retrospective follow-up cohort. Methods We designed web-based overlays outlining regions in the knee that are scored for BML in MOAKS and KIMRISS. For KIMRISS, both BML and S-E are scored on consecutive sagittal slices. The performance of these methods was compared in an international reading exercise of 8 readers evaluating 60 pairs of scans conducted 1 year apart from cases recruited to the OA Initiative (OAI) cohort. Interobserver reliability for baseline status and baseline to 1 year change in BML and S-E was assessed by intra-class correlation coefficient (ICC) and smallest detectable change (SDC). Feasibility was assessed using the System Usability Scale (SUS). Results Mean change in BML and S-E was minimal over 1 year. Pre-specified targets for acceptable reliability (ICC ⩾ 0.80 and ⩾ 0.70 for status and change scores, respectively) were achieved more frequently for KIMRISS for both BML and synovitis. Mean (95% CI) ICC for change in BML was 0.88 (0.83-0.92) and 0.69 (0.60-0.78) for KIMRISS and MOAKS, respectively. KIMRISS mean SUS usability score was 85.7 and at the 95th centile of ranking for usability versus a score of 55.4 and 20th centile for MOAKS. Conclusion KIMRISS had superior performance metrics to MOAKS for quantification of BML and S-E. Both methods should be further compared in trials of new therapies for OA.
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Affiliation(s)
| | - Jacob L. Jaremko
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, AB, Canada
- Medical Imaging Consultants, Edmonton, AB, Canada
| | - Susanne J. Pedersen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen, Denmark
| | - Iris Eshed
- Sheba Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | | | - Andrew McReynolds
- Department of Radiology and Diagnostic Imaging, University of Alberta Hospital, Edmonton, AB, Canada
| | - Paul Bird
- Division of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Stephanie Wichuk
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - Robert G. Lambert
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, AB, Canada
- Medical Imaging Consultants, Edmonton, AB, Canada
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McKay RM, Vapniarsky N, Hatcher D, Carr N, Chen S, Verstraete FJM, Cissell DD, Arzi B. The Diagnostic Yield of Cone-Beam Computed Tomography for Degenerative Changes of the Temporomandibular Joint in Dogs. Front Vet Sci 2021; 8:720641. [PMID: 34422949 PMCID: PMC8371634 DOI: 10.3389/fvets.2021.720641] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/06/2021] [Indexed: 11/17/2022] Open
Abstract
Degenerative changes of the temporomandibular joint (DTMJ) may be diagnosed via cone - beam computed tomography (CBCT). However, despite advancement in CBCT imaging, correlation of DTMJ features identified on CBCT with gross and histological findings is currently limited. This study aimed to correlate CBCT findings of DTMJ of dogs with gross and histopathologic changes. Temporomandibular joints (TMJ) (n = 38) from fresh cadaver heads of asymptomatic dogs (n = 19) were examined radiologically, macroscopically, and microscopically. Association of CBCT - detected DTMJ changes with gross and histological findings were statistically evaluated via kappa statistics and ordinal logistic mixed-effects models. The radiological changes observed on CBCT included joint space narrowing, subchondral/cortical bone changes (i.e., erosions or lysis), osteophytes, and subchondral bone sclerosis. Upon macroscopic evaluation, the majority of examined specimens had mild changes with cartilage defects and osteophytes affecting <10% of the total articular surface area. Histopathologic changes comprised splitting and degeneration of the fibrous cartilage layers, subchondral bone exposure, subchondral bone sclerosis, focal subchondral bone lysis, and occasional cell death. Subchondral sclerosis was the most prevalent finding radiologically and histologically with a fair to excellent agreement. Importantly, the more severe the TMJ degenerative changes, the higher the agreement between CBCT and histology. Based on the correlative results of statistical analysis, CBCT was found to be a suitable modality to evaluate DTMJ.
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Affiliation(s)
- Rachel Marie McKay
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Natalia Vapniarsky
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - David Hatcher
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Nicole Carr
- Department of Animal Sciences, University of California, Davis, Davis, CA, United States
| | - Shuai Chen
- Division of Biostatistics, Department of Public Health Sciences, University of California, Davis, Davis, CA, United States
| | - Frank J M Verstraete
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Derek D Cissell
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Boaz Arzi
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
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5
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Pasqualotto S, Sgroi AV, Causero A, Di Benedetto P, Zorzi C. Subchondroplasty in the Treatment of Bone Marrow Lesions of the Knee: Preliminary Experience on First 15 Patients. JOINTS 2021; 7:174-181. [PMID: 34235382 PMCID: PMC8253614 DOI: 10.1055/s-0041-1730984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/19/2021] [Indexed: 12/19/2022]
Abstract
Purpose The aim of this prospective study was to assess the effectiveness in terms of pain relief and functional improvement of the Subchondroplasty procedure in the treatment of osteoarthritis-related bone marrow lesions (BMLs) of the knee. Methods The study included first 15 consecutive patients undergone to Subchondroplasty procedure for the treatment of chronic degenerative BMLs in which previous conservative treatment have failed. Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores, Knee Injury and Osteoarthritis Outcome Scores (KOOS), and visual analog scale (VAS) pain scores were obtained preoperatively and at 1, 6, and 12 months of follow-up. Results WOMAC scores significantly improved from 39.7 ± 20.2 before surgery to 26.8 ± 16.1 at the 1-month follow-up ( p = 0.045). A further significant improvement to 15.5 ± 12.7 ( p = 0.02) and to 8.6 ± 3.1 ( p < 0.01) was obtained both at 6-month and at 1-year follow-up. KOOS scores improved significantly from 47.5 ± 16.6 before surgery to 65.4 ± 14.9 at 1 month ( p = 0.013) and to 80.4 ± 15.1 at 6-month follow-up ( p = 0.01). A further improvement to 85.6 ± 15.1 was recorded 1 year postoperatively, although nonsignificant. VAS score showed a significant improvement from 55.8 ± 20.5 preoperatively to 36.2 ± 16.9 at 1 month ( p = 0.008) and to 18.2 ± 17.3 at 6-month follow-up ( p = 0.005). This further improved to 12.8 ± 17.9 at 1-year follow-up, although not significantly. Conclusion Subchondroplasty procedure represents a safe and valid surgical option in the treatment of osteoarthritis-related BMLs of the knee, providing an improvement in terms of pain relief and functional recovery. Longer studies are required to evaluate how long these improvements may last. Level of Evidence Therapeutic case-series, Level IV study.
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Affiliation(s)
- Stefano Pasqualotto
- Divisione di Ortopedia e Traumatologia, IRCCS Ospedale Classificato Equiparato Sacro Cuore - Don Calabria, Negrar (Verona), Italy
| | - Andrea Vincenzo Sgroi
- Divisione di Ortopedia e Traumatologia, IRCCS Ospedale Classificato Equiparato Sacro Cuore - Don Calabria, Negrar (Verona), Italy
| | - Araldo Causero
- DAME Università degli studi di Udine, Clinica Ortopedica, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy
| | - Paolo Di Benedetto
- DAME Università degli studi di Udine, Clinica Ortopedica, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy
| | - Claudio Zorzi
- Divisione di Ortopedia e Traumatologia, IRCCS Ospedale Classificato Equiparato Sacro Cuore - Don Calabria, Negrar (Verona), Italy
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6
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Maraghelli D, Brandi ML, Matucci Cerinic M, Peired AJ, Colagrande S. Edema-like marrow signal intensity: a narrative review with a pictorial essay. Skeletal Radiol 2021; 50:645-663. [PMID: 33029648 PMCID: PMC7875957 DOI: 10.1007/s00256-020-03632-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 02/02/2023]
Abstract
The term edema-like marrow signal intensity (ELMSI) represents a general term describing an area of abnormal signal intensity at MRI. Its appearance includes absence of clear margins and the possibility of exceeding well-defined anatomical borders (for example, physeal scars). We can define "ELMSI with unknown cause" an entity where the characteristic MR appearance is associated with the absence of specific signs of an underlying condition. However, it is more often an important finding indicating the presence of an underlying disease, and we describe this case as "ELMSI with known cause." It presents a dynamic behavior and its evolution can largely vary. It initially corresponds to an acute inflammatory response with edema, before being variably replaced by more permanent marrow remodeling changes such as fibrosis or myxomatous connective tissue that can occur over time. It is important to study ELMSI variations over time in order to evaluate the activity state and therapeutic response of an inflammatory chronic joint disease, the resolution of a trauma, and the severity of an osteoarthritis. We propose a narrative review of the literature dealing with various subjects about this challenging topic that is imaging, temporal evolution, etiology, differential diagnoses, and possible organization, together with a pictorial essay.
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Affiliation(s)
- Davide Maraghelli
- Department of Experimental and Clinical Biomedical Sciences, Radiodiagnostic Unit n. 2, University of Florence - Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, Florence, 50134, Italy
| | - Maria Luisa Brandi
- Department of Experimental and Clinical Medicine, Unit of Bone and Mineral Diseases, University of Florence - Azienda Ospedaliero- Universitaria Careggi, Largo Brambilla 3, Florence, 50134, Italy
| | - Marco Matucci Cerinic
- Department of Experimental and Clinical Biomedical Sciences Division of Rheumatology, University of Florence - Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, Florence, 50134, Italy
| | - Anna Julie Peired
- Department of Experimental and Clinical Biomedical Sciences, Radiodiagnostic Unit n. 2, University of Florence - Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, Florence, 50134, Italy
| | - Stefano Colagrande
- Department of Experimental and Clinical Biomedical Sciences, Radiodiagnostic Unit n. 2, University of Florence - Azienda Ospedaliero-Universitaria Careggi, Largo Brambilla 3, Florence, 50134, Italy.
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7
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Zhu X, Chan YT, Yung PSH, Tuan RS, Jiang Y. Subchondral Bone Remodeling: A Therapeutic Target for Osteoarthritis. Front Cell Dev Biol 2021; 8:607764. [PMID: 33553146 PMCID: PMC7859330 DOI: 10.3389/fcell.2020.607764] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 12/28/2020] [Indexed: 12/21/2022] Open
Abstract
There is emerging awareness that subchondral bone remodeling plays an important role in the development of osteoarthritis (OA). This review presents recent investigations on the cellular and molecular mechanism of subchondral bone remodeling, and summarizes the current interventions and potential therapeutic targets related to OA subchondral bone remodeling. The first part of this review covers key cells and molecular mediators involved in subchondral bone remodeling (osteoclasts, osteoblasts, osteocytes, bone extracellular matrix, vascularization, nerve innervation, and related signaling pathways). The second part of this review describes candidate treatments for OA subchondral bone remodeling, including the use of bone-acting reagents and the application of regenerative therapies. Currently available clinical OA therapies and known responses in subchondral bone remodeling are summarized as a basis for the investigation of potential therapeutic mediators.
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Affiliation(s)
- Xiaobo Zhu
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Yau Tsz Chan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Patrick S H Yung
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Rocky S Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Yangzi Jiang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
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8
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Kijima H, Yamada S, Konishi N, Kubota H, Tazawa H, Tani T, Suzuki N, Kamo K, Okudera Y, Fujii M, Sasaki K, Kawano T, Iwamoto Y, Nagahata I, Miura T, Miyakoshi N, Shimada Y. The Differences in Imaging Findings Between Painless and Painful Osteoarthritis of the Hip. CLINICAL MEDICINE INSIGHTS-ARTHRITIS AND MUSCULOSKELETAL DISORDERS 2020; 13:1179544120946747. [PMID: 32821189 PMCID: PMC7412622 DOI: 10.1177/1179544120946747] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 07/06/2020] [Indexed: 11/22/2022]
Abstract
Purpose: In osteoarthritis of the hip, the pain may be strong even if the deformity is mild, but the pain may be mild even if the deformity is severe. If the factors related to the pain can be identified on imaging, reducing such factors can alleviate the pain, and effective measures can be taken for cases where surgery cannot be performed. In addition, imaging findings related to the pain are also important information for determining the procedures and the timing of surgery. Thus, the purpose of this study was to identify the differences in features of osteoarthritis seen on imaging between painless and painful osteoarthritis of the hip. Methods: The subjects were the patients with hip osteoarthritis who visited our department in 2015 and who underwent x-ray, computed tomography (CT), and magnetic resonance imaging (MRI), a total of 29 patients (54 hip joints; mean age 63 years; 8 males and 21 females). The degree of osteoarthritis was determined using the Tönnis grade from the x-ray image. The cartilage morphology, intensity changes of bone marrow on MRI (subchondral bone marrow lesions [BMLs]), osteophytes, joint effusions, and paralabral cysts were scored based on the Hip Osteoarthritis MRI Scoring System (HOAMS). The cross-sectional area of the psoas major muscle at the level of the iliac crest was measured on CT, and the psoas index (PI; the cross-sectional area ratio of the psoas major muscle to the lumbar 4/5 intervertebral disc) was calculated to correct for the difference in physique. Then, the relationships between these and visual analog scale (VAS) scores of pains were evaluated. Results: The average VAS was 55.4 ± 39 mm. The PI and all items of HOAMS correlated with the VAS. The average VAS of Tönnis grade 3 osteoarthritis was 75.8 ± 26 mm. When investigating only Tönnis grade 3 osteoarthritis, the differences between cases with less than average pain and those with above average pain were the BML score in the central-inferior femoral head (P = .0213), the osteophyte score of the inferomedial femoral head (P = .0325), and the PI (P = .0292). Conclusion: Investigation of the differences between painless and painful osteoarthritis of the hip showed that the cases with more pain have BMLs of the femoral head on MRI that extend not only to the loading area, but also to the central-inferior area. Even with the same x-ray findings, the pain was stronger in patients with severe psoas atrophy. Thus, the instability due to muscle atrophy may also play a role in the pain of hip osteoarthritis.
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Affiliation(s)
- Hiroaki Kijima
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.,Akita Hip Research Group, Akita, Japan
| | | | | | | | | | | | | | | | | | - Masashi Fujii
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.,Akita Hip Research Group, Akita, Japan
| | | | | | - Yosuke Iwamoto
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.,Akita Hip Research Group, Akita, Japan
| | - Itsuki Nagahata
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.,Akita Hip Research Group, Akita, Japan
| | | | - Naohisa Miyakoshi
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan
| | - Yoichi Shimada
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, Akita, Japan.,Akita Hip Research Group, Akita, Japan
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9
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Stumpp P, Roth A. [Bone marrow edema-differential diagnosis of the femoral head necrosis]. DER ORTHOPADE 2019; 47:717-721. [PMID: 30128596 DOI: 10.1007/s00132-018-3621-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In patients with hip pain, clinical examination is of only restricted value in the differential diagnosis. Besides a patient's age, their medical history is often helpful in finding the correct diagnosis. Additionally, imaging can give valuable hints for excluding or validating a differential diagnosis. Nowadays, magnetic resonance imaging (MRI) is often used as a primary imaging modality in Germany. These MRIs show a bone marrow edema (BME) in many different pathologies. BME occurs in transitory bone marrow edema and outside of the atraumatic femoral head necrosis, concomitant with coxarthrosis, arthritis, herniation pit, and osteoid osteoma, amongst other conditions. This article describes several frequent differential diagnoses and gives hints on how to find the correct diagnosis.
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Affiliation(s)
- P Stumpp
- Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Leipzig AöR, Liebigstraße 20, 04103, Leipzig, Deutschland.
| | - A Roth
- Klinik und Poliklinik für Orthopädie, Unfallchirurgie und Plastische Chirurgie Bereich Endoprothetik/Orthopädie, Universitätsklinik Leipzig AöR, Leipzig, Deutschland
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10
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11
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Kolb AR, Patsch JM, Vogl WD, Benca E, Stelzeneder D, Windhager R, Hofstaetter JG. The role of the subchondral layer in osteonecrosis of the femoral head: analysis based on HR-QCT in comparison to MRI findings. Acta Radiol 2019; 60:501-508. [PMID: 29979104 DOI: 10.1177/0284185118786070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Non-traumatic avascular osteonecrosis of the femoral head (ONFH) is a severe disease causing destruction of the hip joint, often necessitating total hip arthroplasty (THA) even in young patients. Magnetic resonance imaging (MRI) is commonly used for diagnosis of ONFH, but provides limited insight into the subchondral bone microstructure. PURPOSE To analyze routine MRI findings in comparison to high-resolution quantitative computed tomography (HR-QCT) with a special focus on the subchondral layer and to estimate the importance of differences determining the indication for THA. MATERIAL AND METHODS Twelve patients with ONFH were included before THA. Preoperative MRI and HR-QCT of the retrieved femoral heads were aligned using a registration algorithm. Pathological findings and trabecular bone parameters in matched areas were analyzed by two readers. McNemar, marginal homogeneity test, and Pearson's correlation coefficient were used for comparison. RESULTS Subchondral delamination was found in nine cases on HR-QCT, but missed or underestimated in all but one case on MRI ( P = 0.016). Chondral discontinuity was found in all cases on HR-QCT and in two cases on MRI ( P = 0.016). Areas of complete bone resorption on HR-QCT were linked to high signal intensity on 3D gradient-echo MRI sequences with water-selective excitation, while there was no correlation between trabecular bone parameters and MRI signal intensities in other areas ( P = 0.304). CONCLUSION Subchondral delamination, subchondral resorption, and chondral discontinuity are found frequently in advanced stages of ONFH. These lesions tend to be underestimated on conventional MRI. Our results support the importance of CT imaging in the evaluation of ONFH.
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Affiliation(s)
- Alexander R Kolb
- Department of Orthopedics, Medical University of Vienna, 1090 Vienna, Austria
| | - Janina M Patsch
- Department of Radiology and Nuclear Medicine, Medical University of Vienna, Vienna, Austria
| | - Wolf-Dieter Vogl
- CIR Computational Imaging Research Lab, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Emir Benca
- Department of Orthopedics, Medical University of Vienna, 1090 Vienna, Austria
| | - David Stelzeneder
- Department of Orthopedics, Medical University of Vienna, 1090 Vienna, Austria
| | - Reinhard Windhager
- Department of Orthopedics, Medical University of Vienna, 1090 Vienna, Austria
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Rovel T, Audigié F, Coudry V, Jacquet-Guibon S, Bertoni L, Denoix JM. Evaluation of standing low-field magnetic resonance imaging for diagnosis of advanced distal interphalangeal primary degenerative joint disease in horses: 12 cases (2010–2014). J Am Vet Med Assoc 2019; 254:257-265. [DOI: 10.2460/javma.254.2.257] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Loef M, van Beest S, Kroon FPB, Bloem JL, Dekkers OM, Reijnierse M, Schoones JW, Kloppenburg M. Comparison of histological and morphometrical changes underlying subchondral bone abnormalities in inflammatory and degenerative musculoskeletal disorders: a systematic review. Osteoarthritis Cartilage 2018; 26:992-1002. [PMID: 29777863 DOI: 10.1016/j.joca.2018.05.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 03/22/2018] [Accepted: 05/01/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Subchondral bone abnormalities (SBAs) on magnetic resonance imaging (MRI) are observed frequently and associated with disease course in various musculoskeletal disorders. This review aims to map the existing knowledge of their underlying histological features, and to identify needs for future research. DESIGN We conducted a systematic review following PRISMA guidelines until September 2017, including all studies correlating histological features to on MRI defined SBAs in patients with osteoarthritis (OA), rheumatoid arthritis (RA), spondyloarthritis (SpA) and degenerative disc disease (DDD). Two authors independently retrieved articles and assessed study quality. RESULTS A total of 21 studies (466 patients) correlated histological features to SBAs in OA (n = 13), RA (n = 3), ankylosing spondylitis (AS) (n = 1) and DDD (n = 4). Reported changes in OA were substitution of normal subchondral bone with fibrosis and necrosis, and increased bone remodeling. In contrast, in RA, AS or DDD fibrosis was not reported and SBAs correlated to an increase in inflammatory cell number. In DDD necrosis was observed. Similar to OA, increased bone remodeling was shown in RA and DDD. The risk of bias assessment showed a lack in described patient criteria, blinding and/or adequate topographic correlation in approximately half of studies. There was heterogeneity regarding the investigated histological features between the different disorders. CONCLUSIONS Current studies suggest that SBAs correlate to various histological features, including fibrosis, cell death, inflammation and bone remodeling. In the majority of studies most quality criteria were not met. Future studies should aim for high quality research, and consistency in investigated features between different disorders.
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Affiliation(s)
- M Loef
- Department of Rheumatology, Leiden University Medical Center, The Netherlands.
| | - S van Beest
- Department of Rheumatology, Leiden University Medical Center, The Netherlands
| | - F P B Kroon
- Department of Rheumatology, Leiden University Medical Center, The Netherlands
| | - J L Bloem
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - O M Dekkers
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | - M Reijnierse
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - J W Schoones
- Walaeus Library, Leiden University Medical Center, Leiden, The Netherlands
| | - M Kloppenburg
- Department of Rheumatology, Leiden University Medical Center, The Netherlands; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
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Muratovic D, Findlay DM, Cicuttini FM, Wluka AE, Lee YR, Kuliwaba JS. Bone matrix microdamage and vascular changes characterize bone marrow lesions in the subchondral bone of knee osteoarthritis. Bone 2018; 108:193-201. [PMID: 29331302 DOI: 10.1016/j.bone.2018.01.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 12/06/2017] [Accepted: 01/09/2018] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Bone marrow lesions (BMLs) in the subchondral bone in osteoarthritis (OA) are suggested to be multifactorial, although the pathogenic mechanisms are unknown. Bone metabolism and cardiovascular risk factors associate with BML in epidemiologic studies. However, there are no studies at the tissue level investigating the relationship between these processes and BML. The aim of this study was to investigate the relationship between BMLs in the tibial plateau (TP) of knee OA and bone matrix microdamage, osteocyte density and vascular changes. METHODS TP were obtained from 73 patients at total knee replacement surgery and BMLs were identified ex vivo in TP tissue using MRI. Comparator 'No BML' tissue was from matched anatomical sites to the BMLs. Quantitative assessment was made of subchondral bone microdamage, bone resorption indices, osteocyte cellularity, and vascular features. RESULTS Several key parameters were different between BML and No BML tissue. These included increased microcrack burden (p = .01, p = .0001), which associated positively with bone resorption and negatively with cartilage volume, and greater osteocyte numerical density (p = .02, p = .01), in the subchondral bone plate and subchondral trabeculae, respectively. The marrow tissue within BML zones contained increased arteriolar density (p = .04, p = .0006), and altered vascular characteristics, in particular increased wall thickness (p = .007) and wall:lumen ratio (wall thickness over internal lumen area) (p = .001), compared with No BML bone. CONCLUSIONS Increased bone matrix microdamage and altered vasculature in the subchondral bone of BMLs is consistent with overloading and vascular contributions to the formation of these lesions. Given the important role of BMLs in knee OA, these contributing factors offer potential targets for the treatment and prevention of knee OA.
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Affiliation(s)
- Dzenita Muratovic
- Discipline of Orthopaedics and Trauma, The University of Adelaide, Adelaide, Australia; Bone and Joint Research Laboratory, SA Pathology, Adelaide, Australia.
| | - David M Findlay
- Discipline of Orthopaedics and Trauma, The University of Adelaide, Adelaide, Australia.
| | - Flavia M Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia.
| | - Anita E Wluka
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia.
| | - Yea-Rin Lee
- Discipline of Orthopaedics and Trauma, The University of Adelaide, Adelaide, Australia; Bone and Joint Research Laboratory, SA Pathology, Adelaide, Australia.
| | - Julia S Kuliwaba
- Discipline of Orthopaedics and Trauma, The University of Adelaide, Adelaide, Australia; Bone and Joint Research Laboratory, SA Pathology, Adelaide, Australia.
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Kuttapitiya A, Assi L, Laing K, Hing C, Mitchell P, Whitley G, Harrison A, Howe FA, Ejindu V, Heron C, Sofat N. Microarray analysis of bone marrow lesions in osteoarthritis demonstrates upregulation of genes implicated in osteochondral turnover, neurogenesis and inflammation. Ann Rheum Dis 2017; 76:1764-1773. [PMID: 28705915 PMCID: PMC5629942 DOI: 10.1136/annrheumdis-2017-211396] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 06/05/2017] [Accepted: 06/05/2017] [Indexed: 12/12/2022]
Abstract
Objective Bone marrow lesions (BMLs) are well described in osteoarthritis (OA) using MRI and are associated with pain, but little is known about their pathological characteristics and gene expression. We evaluated BMLs using novel tissue analysis tools to gain a deeper understanding of their cellular and molecular expression. Methods We recruited 98 participants, 72 with advanced OA requiring total knee replacement (TKR), 12 with mild OA and 14 non-OA controls. Participants were assessed for pain (using Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)) and with a knee MRI (using MOAKS). Tissue was then harvested at TKR for BML analysis using histology and tissue microarray. Results The mean (SD) WOMAC pain scores were significantly increased in advanced OA 59.4 (21.3) and mild OA 30.9 (20.3) compared with controls 0.5 (1.28) (p<0.0001). MOAKS showed all TKR tissue analysed had BMLs, and within these lesions, bone marrow volume was starkly reduced being replaced by dense fibrous connective tissue, new blood vessels, hyaline cartilage and fibrocartilage. Microarray comparing OA BML and normal bone found a significant difference in expression of 218 genes (p<0.05). The most upregulated genes included stathmin 2, thrombospondin 4, matrix metalloproteinase 13 and Wnt/Notch/catenin/chemokine signalling molecules that are known to constitute neuronal, osteogenic and chondrogenic pathways. Conclusion Our study is the first to employ detailed histological analysis and microarray techniques to investigate knee OA BMLs. BMLs demonstrated areas of high metabolic activity expressing pain sensitisation, neuronal, extracellular matrix and proinflammatory signalling genes that may explain their strong association with pain.
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Affiliation(s)
- Anasuya Kuttapitiya
- Institute for Infection & Immunity, St George's, University of London, London, UK
| | - Lena Assi
- Institute for Infection & Immunity, St George's, University of London, London, UK
| | - Ken Laing
- Institute for Infection & Immunity, St George's, University of London, London, UK
| | - Caroline Hing
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Philip Mitchell
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Guy Whitley
- Institute for Molecular and Clinical Sciences, St George's, University of London, London, UK
| | - Abiola Harrison
- Institute for Infection & Immunity, St George's, University of London, London, UK
| | - Franklyn A Howe
- Institute for Molecular and Clinical Sciences, St George's, University of London, London, UK
| | - Vivian Ejindu
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Christine Heron
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Nidhi Sofat
- Institute for Infection & Immunity, St George's, University of London, London, UK
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Ando W, Yamamoto K, Koyama T, Hashimoto Y, Tsujimoto T, Ohzono K. Radiologic and Clinical Features of Misdiagnosed Idiopathic Osteonecrosis of the Femoral Head. Orthopedics 2017; 40:e117-e123. [PMID: 27755641 DOI: 10.3928/01477447-20161013-03] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 08/25/2016] [Indexed: 02/03/2023]
Abstract
Idiopathic osteonecrosis of the femoral head (ONFH) can be correctly diagnosed in accordance with the established criteria. However, some general orthopedic physicians have misdiagnosed patients as having ONFH. The goal of this study was to clarify the radiologic and clinical features of misdiagnosed patients. This study included 50 patients who were referred to the authors' hospital by general physicians with a diagnosis of ONFH. The correct diagnosis was made based on the Japanese Investigation Committee diagnostic criteria for ONFH. Demographic data were compared between patients with and without ONFH. Of the 50 patients, 24 were diagnosed with other diseases: 10 with osteoarthritis, 7 with transient osteoporosis of the femoral head, 4 with rapidly destructive coxopathy, and 3 with subchondral insufficiency fracture. Seventeen patients who did not have ONFH had magnetic resonance imaging findings that showed a bone marrow edema pattern at the femoral head. The mean age of 62.9 years among patients without ONFH was significantly higher than that of 45.2 years among patients with ONFH. There were 18 female patients in the non-ONFH group and 5 female patients in the ONFH group. Bilateral disease was found in 1 patient in the non-ONFH group and 17 patients in the ONFH group. No patients in the non-ONFH group had a history of systemic steroid administration compared with 11 patients in the ONFH group. Clinical features associated with the non-ONFH group were female sex, older age, unilateral disease, and no history of systemic steroid administration. For patients with these features, the diagnosis of ONFH should be made carefully. [Orthopedics. 2017; 40(1):e117-e123.].
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Abstract
Osteoarthritis (OA) is the most common joint disorder, is associated with an increasing socioeconomic impact owing to the ageing population and mainly affects the diarthrodial joints. Primary OA results from a combination of risk factors, with increasing age and obesity being the most prominent. The concept of the pathophysiology is still evolving, from being viewed as cartilage-limited to a multifactorial disease that affects the whole joint. An intricate relationship between local and systemic factors modulates its clinical and structural presentations, leading to a common final pathway of joint destruction. Pharmacological treatments are mostly related to relief of symptoms and there is no disease-modifying OA drug (that is, treatment that will reduce symptoms in addition to slowing or stopping the disease progression) yet approved by the regulatory agencies. Identifying phenotypes of patients will enable the detection of the disease in its early stages as well as distinguish individuals who are at higher risk of progression, which in turn could be used to guide clinical decision making and allow more effective and specific therapeutic interventions to be designed. This Primer is an update on the progress made in the field of OA epidemiology, quality of life, pathophysiological mechanisms, diagnosis, screening, prevention and disease management.
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Changes in the osteochondral unit during osteoarthritis: structure, function and cartilage-bone crosstalk. Nat Rev Rheumatol 2016; 12:632-644. [PMID: 27652499 DOI: 10.1038/nrrheum.2016.148] [Citation(s) in RCA: 515] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In diarthrodial joints, the articular cartilage, calcified cartilage, and subchondral cortical and trabecular bone form a biocomposite - referred to as the osteochondral unit - that is uniquely adapted to the transfer of load. During the evolution of the osteoarthritic process the compositions, functional properties, and structures of these tissues undergo marked alterations. Although pathological processes might selectively target a single joint tissue, ultimately all of the components of the osteochondral unit will be affected because of their intimate association, and thus the biological and physical crosstalk among them is of great importance. The development of targeted therapies against the osteoarthritic processes in cartilage or bone will, therefore, require an understanding of the state of these joint tissues at the time of the intervention. Importantly, these interventions will not be successful unless they are applied at the early stages of disease before considerable structural and functional alterations occur in the osteochondral unit. This Review describes the changes that occur in bone and cartilage during the osteoarthritic process, and highlights strategies for how this knowledge could be applied to develop new therapeutic interventions for osteoarthritis.
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Quack V, Betsch M, Schenker H, Beckmann J, Rath B, Lüring C, Tingart M. [Pathophysiology of traumatic bone marrow edema]. Unfallchirurg 2015; 118:199-205. [PMID: 25783688 DOI: 10.1007/s00113-014-2688-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Morphologically, bone marrow edema (BME) is an accumulation of fluid in the bone marrow. The BME is per se non-specific but can be identified at an early stage with magnetic resonance imaging (MRI). The underlying pathomechanism remains unclear. The BME can occur as an individual entity and as an accompanying condition of many diseases. The BME can be divided into three groups, ischemic, reactive and mechanical BME. Mechanical BME occurs after trauma or repetitive strain. Typical histological changes are present and there is no clear boundary between edema and microfracture. Some forms of trauma show BME in typical localizations. Both the trauma and the possible accompanying injuries can be indirectly indicated in this way in cases with an unknown trauma mechanism. CONCLUSION The BME can be present as an isolated entity or as a comorbidity. For initiation of therapy, a comprehensive medical history and targeted diagnostics are indispensable. In some cases BME is indicative of the trauma mechanism and possible further accompanying injuries.
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Affiliation(s)
- V Quack
- Klinik für Orthopädie, RWTH Aachen, Universitätsklinikum Aachen, Pauwelsstr. 30, 52074, Aachen, Deutschland,
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Comparison of 18F-fluoride positron emission tomography and magnetic resonance imaging in evaluating early-stage osteoarthritis of the hip. Nucl Med Commun 2015; 36:84-9. [DOI: 10.1097/mnm.0000000000000214] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Driban JB, Price L, Lo GH, Pang J, Hunter DJ, Miller E, Ward RJ, Eaton CB, Lynch JA, McAlindon TE. Evaluation of bone marrow lesion volume as a knee osteoarthritis biomarker--longitudinal relationships with pain and structural changes: data from the Osteoarthritis Initiative. Arthritis Res Ther 2014; 15:R112. [PMID: 24020939 PMCID: PMC3978948 DOI: 10.1186/ar4292] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 04/15/2013] [Accepted: 09/10/2013] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Bone marrow lesion (BML) size may be an important imaging biomarker for osteoarthritis-related clinical trials and reducing BML size may be an important therapeutic goal. However, data on the interrelationships between BML size, pain, and structural progression are inconsistent and rarely examined in the same cohort. Therefore, we evaluated the cross-sectional and longitudinal associations of BML volume with knee pain and joint space narrowing (JSN). METHODS A BML volume assessment was performed on magnetic resonance images of the knee collected at the 24- and 48-month Osteoarthritis Initiative visits from a convenience sample of 404 participants in the progression cohort. During the same visits, knee pain was assessed with WOMAC pain scores and knee radiographs were acquired and scored for JSN. BML volume was summed to generate a total knee volume and an index tibiofemoral compartment volume (compartment with greater baseline JSN). Primary analyses included multiple linear regressions (outcome = pain, predictor = total knee BML volume) and logistic regressions (outcome = JSN, predictor = index tibiofemoral compartment BML volume). RESULTS This sample was 49% female with a mean age of 63 (9.2 standard deviation (SD)) years, and 71% had radiographic osteoarthritis in the study knee. Larger baseline BMLs were associated with greater baseline knee pain (P = 0.01), the presence of JSN at baseline (odds ratio (OR) = 1.50, 95% confidence interval (CI) = 1.23 to 1.83), and JSN progression (OR = 1.27, 95%CI = 1.11 to 1.46). Changes in total knee BML volume had a positive association with changes in knee pain severity (P = 0.004) and this association may be driven by knees that were progressing from no or small baseline BMLs to larger BMLs. In contrast, we found no linear positive relationship between BML volume change and JSN progression. Instead, regression of medial tibiofemoral BML volume was associated with JSN progression compared to knees with no or minimal changes in BML volume (OR = 3.36, 95%CI = 1.55 to 7.28). However, follow-up analyses indicated that the association between JSN progression and BML volume change may primarily be influenced by baseline BML volume. CONCLUSION Large baseline BMLs are associated with greater baseline knee pain, the presence of JSN at baseline, and disease progression. Additionally, BML regression is associated with decreased knee pain but not a reduced risk of concurrent JSN progression.
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Yuan XL, Meng HY, Wang YC, Peng J, Guo QY, Wang AY, Lu SB. Bone-cartilage interface crosstalk in osteoarthritis: potential pathways and future therapeutic strategies. Osteoarthritis Cartilage 2014; 22:1077-89. [PMID: 24928319 DOI: 10.1016/j.joca.2014.05.023] [Citation(s) in RCA: 189] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 05/22/2014] [Accepted: 05/28/2014] [Indexed: 02/02/2023]
Abstract
Currently, osteoarthritis (OA) is considered a disease of the entire joint, which is not simply a process of wear and tear but rather abnormal remodelling and joint failure of an organ. The bone-cartilage interface is therefore a functioning synergistic unit, with a close physical association between subchondral bone and cartilage suggesting the existence of biochemical and molecular crosstalk across the OA interface. The crosstalk at the bone-cartilage interface may be elevated in OA in vivo and in vitro. Increased vascularisation and formation of microcracks associated with abnormal bone remodelling in joints during OA facilitate molecular transport from cartilage to bone and vice versa. Recent reports suggest that several critical signalling pathways and biological factors are key regulators and activate cellular and molecular processes in crosstalk among joint compartments. Therapeutic interventions including angiogenesis inhibitors, agonists/antagonists of molecules and drugs targeting bone remodelling are potential candidates for this interaction. This review summarised the premise for the presence of crosstalk in bone-cartilage interface as well as the current knowledge of the major signalling pathways and molecular interactions that regulate OA progression. A better understanding of crosstalk in bone-cartilage interface may lead to development of more effective strategies for treating OA patients.
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Affiliation(s)
- X L Yuan
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
| | - H Y Meng
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
| | - Y C Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
| | - J Peng
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
| | - Q Y Guo
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
| | - A Y Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China.
| | - S B Lu
- Institute of Orthopedics, Chinese PLA General Hospital, Fuxing 28# Road, Beijing, China
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Fukui K, Kaneuji A, Fukushima M, Matsumoto T. Imaging and histopathological evaluation of a cystlike formation in subchondral insufficiency fracture of the femoral head: A case report and literature review. Int J Surg Case Rep 2014; 5:324-9. [PMID: 24794026 PMCID: PMC4066577 DOI: 10.1016/j.ijscr.2014.03.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 01/20/2014] [Accepted: 03/25/2014] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION In the majority of subchondral insufficiency fractures (SIFs) of the femoral head, T1-weighted magnetic resonance imaging shows an irregular, serpiginous, low-intensity band that is convex to the articular surface. We report a case of a cystlike formation in SIF of the femoral head in an elderly woman. PRESENTATION OF CASE A 71-year-old woman reported right hip pain without any history of antecedent trauma. The initial radiograph showed a slight narrowing of the joint space in the right hip. The patient was treated with conservative therapy for 2 months. Radiographs obtained 3 months after the onset of pain showed non-progressive joint-space narrowing. T1-weighted magnetic resonance images obtained 2 months after pain onset revealed a round, cystlike, low-intensity area just beneath the articular cartilage. The patient underwent total hip arthroplasty. Histopathological examination showed fracture callus and granulation tissue in the subchondral area, surrounded by vascular-rich granulation tissue and fibrous tissue, which corresponded to the round, low-intensity band observed on the T1-weighted image. DISCUSSION This case was a rare SIF of the femoral head which had a cystlike formation with a low signal intensity on T1-weighted images and a very high signal intensity on STIR sequences in the superolateral portion of the femoral head, surrounded by a pattern of edema in the bone marrow. To our knowledge, no similar cases were cited in the literature. CONCLUSION It is important for surgeons to keep in mind that sometimes SIFs of the femoral head can appear as a round cystlike formation.
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Affiliation(s)
- Kiyokazu Fukui
- Department of Orthopaedic Surgery, Kanazawa Medical University, Kahokugun, Japan.
| | - Ayumi Kaneuji
- Department of Orthopaedic Surgery, Kanazawa Medical University, Kahokugun, Japan
| | - Mana Fukushima
- Department of Pathology and Medical Laboratory, Kanazawa Medical University, Kahokugun, Japan
| | - Tadami Matsumoto
- Department of Orthopaedic Surgery, Kanazawa Medical University, Kahokugun, Japan
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Maksymowych WP, Cibere J, Loeuille D, Weber U, Zubler V, Roemer FW, Jaremko JL, Sayre EC, Lambert RG. Preliminary Validation of 2 Magnetic Resonance Image Scoring Systems for Osteoarthritis of the Hip According to the OMERACT Filter. J Rheumatol 2013; 41:370-8. [DOI: 10.3899/jrheum.131083] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Objective.Development of a validated magnetic resonance image (MRI) scoring system is essential in hip OA because radiographs are insensitive to change. We assessed the feasibility and reliability of 2 previously developed scoring methods: (1) the Hip Inflammation MRI Scoring System (HIMRISS) and (2) the Hip Osteoarthritis MRI Scoring System (HOAMS).Methods.Six readers (3 radiologists, 3 rheumatologists) participated in 2 reading exercises. In Reading Exercise 1, MRI of the hip of 20 subjects were read at a single time point followed by further standardization of methodology. In Reading Exercise 2, MRI of the hip of 18 subjects from a randomized controlled trial, assessed at 2 timepoints, and 27 subjects from a cross-sectional study were read for HIMRISS and HOAMS bone marrow lesions (BML) and synovitis. Reliability was assessed using intraclass correlation coefficient (ICC) and kappa statistics.Results.Both methods were considered feasible. For Reading 1, HIMRISS ICC were 0.52, 0.61, 0.70, and 0.58 for femoral BML, acetabular BML, effusion, and total scores, respectively; and for HOAMS, summed BML and synovitis ICC were 0.52 and 0.46, respectively. For Reading 2, HIMRISS and HOAMS ICC for BML and synovitis-effusion improved substantially. Interobserver reliability for change scores was 0.81 and 0.71 for HIMRISS femoral and HOAMS summed BML, respectively. Responsiveness and discrimination was moderate to high for synovitis-effusion. Significant associations were noted between BML or synovitis scores and Western Ontario and McMaster Universities Osteoarthritis Index pain scores for baseline values (p ≤ 0.001).Conclusion.The BML and synovitis-effusion components of both HIMRISS and HOAMS scoring systems are feasible and reliable, and should be validated further.
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Jaremko JL, Lambert RGW, Zubler V, Weber U, Loeuille D, Roemer FW, Cibere J, Pianta M, Gracey D, Conaghan P, Ostergaard M, Maksymowych WP. Methodologies for semiquantitative evaluation of hip osteoarthritis by magnetic resonance imaging: approaches based on the whole organ and focused on active lesions. J Rheumatol 2013; 41:359-69. [PMID: 24241486 DOI: 10.3899/jrheum.131082] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE As a wider variety of therapeutic options for osteoarthritis (OA) becomes available, there is an increasing need to objectively evaluate disease severity on magnetic resonance imaging (MRI). This is more technically challenging at the hip than at the knee, and as a result, few systematic scoring systems exist. The OMERACT (Outcome Measures in Rheumatology) filter of truth, discrimination, and feasibility can be used to validate image-based scoring systems. Our objective was (1) to review the imaging features relevant to the assessment of severity and progression of hip OA; and (2) to review currently used methods to grade these features in existing hip OA scoring systems. METHODS A systematic literature review was conducted. MEDLINE keyword search was performed for features of arthropathy (such as hip + bone marrow edema or lesion, synovitis, cyst, effusion, cartilage, etc.) and scoring system (hip + OA + MRI + score or grade), with a secondary manual search for additional references in the retrieved publications. RESULTS Findings relevant to the severity of hip OA include imaging markers associated with inflammation (bone marrow lesion, synovitis, effusion), structural damage (cartilage loss, osteophytes, subchondral cysts, labral tears), and predisposing geometric factors (hip dysplasia, femoral-acetabular impingement). Two approaches to the semiquantitative assessment of hip OA are represented by Hip OA MRI Scoring System (HOAMS), a comprehensive whole organ assessment of nearly all findings, and the Hip Inflammation MRI Scoring System (HIMRISS), which selectively scores only active lesions (bone marrow lesion, synovitis/effusion). Validation is presently confined to limited assessment of reliability. CONCLUSION Two methods for semiquantitative assessment of hip OA on MRI have been described and validation according to the OMERACT Filter is limited to evaluation of reliability.
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Affiliation(s)
- Jacob L Jaremko
- From the Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Alberta, Canada; Department of Radiology and Department of Rheumatology, Balgrist University Hospital, Zurich, Switzerland; Department of Medicine, CHU de NANCY-Brabois, Vandoeuvre, France; Department of Radiology, Klinikum Augsburg, Augsburg, Germany; Quantitative Imaging Center (QIC), Department of Radiology, Boston University School of Medicine, Boston, Massachusetts, USA; Department of Medicine, University of British Columbia and Research Scientist, Arthritis Research Centre of Canada, Vancouver, British Columbia, Canada; St. Vincent's Hospital, Victoria, Australia; Radiology Department, Craigavon Area Hospital, Southern Health and Social Care Trust, Portadown, Northern Ireland; National Institute for Health Research (NIHR) Leeds Musculoskeletal Biomedical Research Unit, Chapel Allerton Hospital, Leeds, UK; Department of Rheumatology, Copenhagen University Hospital at Glostrup, Copenhagen, Denmark; Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Pivec R, Johnson AJ, Harwin SF, Mont MA. Differentiation, diagnosis, and treatment of osteoarthritis, osteonecrosis, and rapidly progressive osteoarthritis. Orthopedics 2013; 36:118-25. [PMID: 23379734 DOI: 10.3928/01477447-20130122-04] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Osteoarthritis, osteonecrosis, and rapidly progressive osteoarthritis are hip arthropathies that result in marked pain and disability. Although these diseases share features of arthritis-like symptoms and are all treated with total hip arthroplasty, they are separate diseases with distinct epidemiologic, radiographic, and histopathologic findings. In this article, the authors present clinical tips and techniques that will aid the surgeon in diagnosing and treating these different entities.
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Affiliation(s)
- Robert Pivec
- Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland, USA
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29
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Vlychou M, Koutroumpas A, Alexiou I, Fezoulidis I, Sakkas LI. High-resolution ultrasonography and 3.0 T magnetic resonance imaging in erosive and nodal hand osteoarthritis: high frequency of erosions in nodal osteoarthritis. Clin Rheumatol 2013; 32:755-62. [DOI: 10.1007/s10067-013-2166-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Revised: 12/26/2012] [Accepted: 01/03/2013] [Indexed: 11/29/2022]
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Raynauld JP, Wildi LM, Abram F, Moser T, Pelletier JP, Martel-Pelletier J. Reliability and sensitivity to change of IW-TSE versus DESS magnetic resonance imaging sequences in the assessment of bone marrow lesions in knee osteoarthritis patients: Longitudinal data from the Osteoarthritis Initiative (OAI) cohort. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/jbise.2013.63a043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Bugatti S, Manzo A, Caporali R, Montecucco C. Inflammatory lesions in the bone marrow of rheumatoid arthritis patients: a morphological perspective. Arthritis Res Ther 2012; 14:229. [PMID: 23270711 PMCID: PMC3674615 DOI: 10.1186/ar4115] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2012] [Accepted: 12/11/2012] [Indexed: 12/25/2022] Open
Abstract
The synovial tissue stands at the epicenter of joint pathology in rheumatoid arthritis (RA). As a primary target of the disease, studies on the synovium have provided invaluable insights into the mechanisms involved in disease pathogenesis. Recent work has, however, revealed the importance of a previously unseen anatomic compartment in direct contact with the joint space, namely the subchondral bone marrow. Bone marrow edema (BME) visible on magnetic resonance imaging (MRI) is clinically meaningful in both early and late RA as it associates with future development of bone erosions and poor functional outcomes. Although the histopathologic correlates of MRI-based BME in early RA remain obscure, studies in advanced disease are consistent in describing lymphocytic inflammatory infiltrates within the subchondral marrow cavity of affected joints. In this review, we discuss the nature of bone marrow lesions in patients with RA, analyze their relationship with synovitis, and explore their potential contribution to the pathological processes of the disease.
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Driban JB, Tassinari A, Lo GH, Price LL, Schneider E, Lynch JA, Eaton CB, McAlindon TE. Bone marrow lesions are associated with altered trabecular morphometry. Osteoarthritis Cartilage 2012; 20:1519-26. [PMID: 22940708 PMCID: PMC3478500 DOI: 10.1016/j.joca.2012.08.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Revised: 08/07/2012] [Accepted: 08/22/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Bone marrow lesions (BMLs) are a common magnetic resonance (MR) feature in patients with osteoarthritis, however their pathological basis remains poorly understood and has not been evaluated in vivo. Our aim was to evaluate the trabecular structure associated with the presence and size of BMLs present in the same regions of interest (ROI) using quantitative MR-based trabecular morphometry. DESIGN 158 participants in the Osteoarthritis Initiative (OAI) were imaged with a coronal 3D fast imaging with steady state precession (FISP) sequence for trabecular morphometry in the same session as the OAI 3 T MR knee evaluation. The proximal medial tibial subchondral bone in the central weight-bearing ROI on these knee 3D FISP images were quantitatively evaluated for apparent bone volume fraction, trabecular number, spacing, and thickness. BMLs were also evaluated in the subchondral bone immediately adjacent to the articular cartilage. BML volume was also evaluated within the same trabecular morphometry ROI and semi-quantitatively classified as none, small, or large. Kruskal-Wallis test was used to determine if mean apparent bone volume fraction, trabecular number, spacing, or thickness differed by BML score. RESULTS Compared to knees with ROIs containing no BMLs, knees with small or large BMLs had statistically higher apparent bone volume fraction (P < 0.01), trabecular number (P < 0.01), and thickness (P = 0.02), and lower trabecular spacing (P < 0.01). CONCLUSIONS Compared to knees with ROIs containing no BMLs, knees with ROIs containing small or large BMLs had higher apparent bone volume fraction, trabecular number and thickness, but lower trabecular spacing. These findings may represent areas of locally increased bone remodeling or compression.
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Affiliation(s)
- Jeffrey B Driban
- Division of Rheumatology, Tufts Medical Center, 800 Washington Street, Box #406, Boston, MA 02111
| | - Anna Tassinari
- Division of Rheumatology, Tufts Medical Center, 800 Washington Street, Box #406, Boston, MA 02111
| | - Grace H Lo
- Medical Care Line and Research Care Line; Houston Health Services Research and Development (HSR&D) Center of Excellence Michael E. DeBakey VAMC, Houston, TX. Section of Immunology, Allergy, and Rheumatology, Baylor College of Medicine, Houston, TX. 1 Baylor Plaza, BCM-285, Houston, TX 77030
| | - Lori Lyn Price
- Biostatistics Research Center, Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, 800 Washington Street, Box #63, Boston, MA 02111
| | - Erika Schneider
- Imaging Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue HB6, Cleveland, OH 44195
| | - John A Lynch
- Department of Epidemiology and Biostatistics, University of California at San Francisco, 185 Berry Street, Lobby 5, Suite 5700, San Francisco, CA 94107
| | - Charles B. Eaton
- Departments of Family Medicine and Epidemiology, Alpert Medical School of Brown University, Center for Primary Care and Prevention, Second Floor, Memorial Hospital of Rhode Island, 111 Brewster Street, Pawtucket, RI 02864
| | - Timothy E. McAlindon
- Division of Rheumatology, Tufts Medical Center, 800 Washington Street, Box #406, Boston, MA 02111
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Goldring SR. Alterations in periarticular bone and cross talk between subchondral bone and articular cartilage in osteoarthritis. Ther Adv Musculoskelet Dis 2012; 4:249-58. [PMID: 22859924 DOI: 10.1177/1759720x12437353] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The articular cartilage and the subchondral bone form a biocomposite that is uniquely adapted to the transfer of loads across the diarthrodial joint. During the evolution of the osteoarthritic process biomechanical and biological processes result in alterations in the composition, structure and functional properties of these tissues. Given the intimate contact between the cartilage and bone, alterations of either tissue will modulate the properties and function of the other joint component. The changes in periarticular bone tend to occur very early in the development of OA. Although chondrocytes also have the capacity to modulate their functional state in response to loading, the capacity of these cells to repair and modify their surrounding extracellular matrix is relatively limited in comparison to the adjacent subchondral bone. This differential adaptive capacity likely underlies the more rapid appearance of detectable skeletal changes in OA in comparison to the articular cartilage. The OA changes in periarticular bone include increases in subchondral cortical bone thickness, gradual decreases in subchondral trabeular bone mass, formation of marginal joint osteophytes, development of bone cysts and advancement of the zone of calcified cartilage between the articular cartilage and subchondral bone. The expansion of the zone of calcified cartilage contributes to overall thinning of the articular cartilage. The mechanisms involved in this process include the release of soluble mediators from chondrocytes in the deep zones of the articular cartilage and/or the influences of microcracks that have initiated focal remodeling in the calcified cartilage and subchondral bone in an attempt to repair the microdamage. There is the need for further studies to define the pathophysiological mechanisms involved in the interaction between subchondral bone and articular cartilage and for applying this information to the development of therapeutic interventions to improve the outcomes in patients with OA.
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Affiliation(s)
- Steven R Goldring
- The Hospital for Special Surgery, 535 East 70th Street, New York, USA
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Li J, Gorski DJ, Anemaet W, Velasco J, Takeuchi J, Sandy JD, Plaas A. Hyaluronan injection in murine osteoarthritis prevents TGFbeta 1-induced synovial neovascularization and fibrosis and maintains articular cartilage integrity by a CD44-dependent mechanism. Arthritis Res Ther 2012; 14:R151. [PMID: 22721434 PMCID: PMC3446537 DOI: 10.1186/ar3887] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 05/22/2012] [Accepted: 06/21/2012] [Indexed: 12/12/2022] Open
Abstract
Introduction The mechanism by which intra-articular injection of hyaluronan (HA) ameliorates joint pathology is unknown. Animal studies have shown that HA can reduce synovial activation, periarticular fibrosis and cartilage erosion; however, its specific effects on the different cell types involved remain unclear. We have used the TTR (TGFbeta1 injection and Treadmill Running) model of murine osteoarthritis (OA), which exhibits many OA-like changes, including synovial activation, to examine in vivo tissue-specific effects of intra-articular HA. Methods The kinetics of clearance of fluorotagged HA from joints was examined with whole-body imaging. Naïve and treated knee joints were examined macroscopically for cartilage erosion, meniscal damage and fibrosis. Quantitative histopathology was done with Safranin O for cartilage and with Hematoxylin & Eosin for synovium. Gene expression in joint tissues for Acan, Col1a1, Col2a1, Col3a1, Col5a1, Col10a1, Adamts5 and Mmp13 was done by quantitative PCR. The abundance and distribution of aggrecan, collagen types I, II, III, V and X, ADAMTS5 and MMP13 were examined by immunohistochemistry. Results Injected HA showed a half-life of less than 2 h in the murine knee joint. At the tissue level, HA protected against neovascularization and fibrosis of the meniscus/synovium and maintained articular cartilage integrity in wild-type but not in Cd44 knockout mice. HA injection enhanced the expression of chondrogenic genes and proteins and blocked that of fibrogenic/degradative genes and proteins in cartilage/subchondral bone, whereas it blocked activation of both groups in meniscus/synovium. In all locations it reduced the expression/protein for Mmp13 and blocked Adamts5 expression but not its protein abundance in the synovial lining. Conclusions The injection of HA, 24 h after TGFbeta1 injection, inhibited the cascade of OA-like joint changes seen after treadmill use in the TTR model of OA. In terms of mechanism, tissue protection by HA injection was abrogated by Cd44 ablation, suggesting that interaction of the injected HA with CD44 is central to its protective effects on joint tissue remodeling and degeneration in OA progression.
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Affiliation(s)
- Jun Li
- Department of Internal Medicine (Rheumatology), Rush University Medical Center, 1611 West Harrison Street Suite 510, Chicago, IL 60612, USA
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Xu L, Hayashi D, Roemer FW, Felson DT, Guermazi A. Magnetic resonance imaging of subchondral bone marrow lesions in association with osteoarthritis. Semin Arthritis Rheum 2012; 42:105-18. [PMID: 22542276 DOI: 10.1016/j.semarthrit.2012.03.009] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Revised: 03/13/2012] [Accepted: 03/18/2012] [Indexed: 01/16/2023]
Abstract
OBJECTIVES This nonsystematic literature review provides an overview of magnetic resonance imaging (MRI) of subchondral bone marrow lesions (BMLs) in association with osteoarthritis (OA), with particular attention to the selection of MRI sequences and semiquantitative scoring systems, characteristic morphology, and differential diagnosis. Histologic basis, natural history, and clinical significance are also briefly discussed. METHODS PubMed was searched for articles published up to 2011, using the keywords bone marrow lesion, osteoarthritis, magnetic resonance imaging, bone marrow edema, histology, pain, and subchondral. RESULTS BMLs in association with OA correspond to fibrosis, necrosis, edema, and bleeding of fatty marrow as well as abnormal trabeculae on histopathology. Lesions may fluctuate in size within a short time and are associated with the progression of articular cartilage loss and fluctuation of pain in knee OA. The characteristic subchondral edema-like signal intensity of BMLs should be assessed using T2-weighted, proton density-weighted, intermediate-weighted fat-suppressed fast spin echo or short tau inversion recovery. Several semiquantitative scoring systems are available to characterize and grade the severity of BMLs. Quantitative approaches have also been introduced. Differential diagnoses of degenerative BMLs include a variety of traumatic or nontraumatic pathologies that may appear similar to OA-related BMLs on MRI. CONCLUSIONS Subchondral BMLs are a common imaging feature of OA with clinical significance and typical signal alteration patterns, which can be assessed and graded by semiquantitative scoring systems using sensitive MRI sequences.
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Affiliation(s)
- Li Xu
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
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Hayashi D, Roemer FW, Guermazi A. Osteoarthritis year 2011 in review: imaging in OA--a radiologists' perspective. Osteoarthritis Cartilage 2012; 20:207-14. [PMID: 22266236 DOI: 10.1016/j.joca.2011.12.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Revised: 11/23/2011] [Accepted: 12/14/2011] [Indexed: 02/02/2023]
Abstract
With major technological advances and application of magnetic resonance imaging (MRI) to large longitudinal osteoarthritis (OA) studies the role of imaging has become increasingly important for OA research over the last years. Currently, radiography, MRI and ultrasound are the most established imaging tools applied in a research setting. MRI assessment of OA features can be morphologic, compositional and can be applied in non-loaded and loaded conditions. Morphologic assessment includes semiquantitative and quantitative analyses. Novel semiquantitative scoring methods for knee, hip and hand OA using MRI were introduced. A series of key reports were published this year, reviewing the importance of radiography and MRI as a research tool. Although radiography is insensitive for the detection of OA-related structural pathology when compared to MRI, it still has been widely used for subject inclusion in observational and interventional studies due also to a straight forward disease definition that was established more than 50 years ago. In an attempt to generate an MRI-based definition of structural disease, a Delphi exercise was performed to develop a testable MRI definition of structural OA. This presentation reviews publications related to imaging of OA, published in English between September 2010 and October 2011, excluding animal studies or in vitro data. This is not a systematic or comprehensive review and the selection of papers included is based on the expert opinions of the presenter, from a musculoskeletal radiologist's perspective.
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Affiliation(s)
- D Hayashi
- Department of Radiology, Boston University School of Medicine, Boston, MA 02118, USA
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Hamer OW, Kriegsmann J. [Bone marrow edema in magnetic resonance imaging. A misleading term?]. Z Rheumatol 2012; 71:12-6. [PMID: 22286350 DOI: 10.1007/s00393-011-0937-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Magnetic resonance imaging (MRI) is a mainstay in musculoskeletal imaging. The term"bone marrow edema" is frequently used for describing the radiological findings, especially with respect to rheumatic diseases. The referring physician should be aware that this term has a purely descriptive character and the pathophysiology of signal alterations in MRI shows a broad spectrum certainly not always corresponding to increased liquid contents. The recommendations therefore tend towards the use of the neutral terms"osteitis","bone marrow edema-like lesion" or"bone marrow lesion" instead of the misleading term"bone marrow edema".
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Affiliation(s)
- O W Hamer
- Institut für Röntgendiagnostik, Universitätsklinik Regenburg, Franz-Josef-Strauss-Allee 11, 93046, Regensburg, Deutschland.
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Doré D, de Hoog J, Giles G, Ding C, Cicuttini F, Jones G. A longitudinal study of the association between dietary factors, serum lipids, and bone marrow lesions of the knee. Arthritis Res Ther 2012; 14:R13. [PMID: 22257370 PMCID: PMC3392803 DOI: 10.1186/ar3689] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 12/20/2011] [Accepted: 01/18/2012] [Indexed: 01/23/2023] Open
Abstract
Introduction Bone marrow lesions (BMLs) play an important role in knee osteoarthritis, but their etiology is not well understood. The aim of this longitudinal study was to describe the association between dietary factors, serum lipids, and BMLs. Methods In total, 394 older men and women (mean age, 63 years; range, 52 to 79) were measured at baseline and approximately 2.7 years later. BMLs were determined by using T2-weighted fat-saturation magnetic resonance imaging (MRI) by measuring the maximal area of the lesion. Nutrient intake (total energy, fat, carbohydrate, protein, and sugar) and serum lipids were assessed at baseline. Results Cross-sectionally, dietary factors and lipids were not significantly associated with BMLs. Energy, carbohydrate, and sugar intake (but not fat) were positively associated with a change in BML size (β = 15.44 to 19.27 mm2 per 1 SD increase; all P < 0.05). High-density lipoprotein (HDL) cholesterol tended to be negatively associated with BML change (β = -11.66 mm2 per 1 SD increase; P = 0.088). Conclusions Energy, carbohydrate, and sugar intake may be risk factors for BML development and progression. HDL cholesterol seems protective against BMLs. These results suggest that macronutrients and lipids may be important in BML etiology and that dietary modification may alter BML natural history.
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Affiliation(s)
- Dawn Doré
- Menzies Research Institute Tasmania, University of Tasmania, Private Bag 23, Hobart, Tasmania, 7000, Australia.
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Current world literature. Curr Opin Rheumatol 2011; 23:497-503. [PMID: 21844756 DOI: 10.1097/bor.0b013e32834a96c0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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