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Hip MRI

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https://www.readbyqxmd.com/read/28507643/imaging-of-complications-after-limb-prostheses-implantation-in-children-with-bone-tumors
#1
Beata Iwanowska, Hanna Brągoszewska, Jarosław Mądzik, Sylwia Szkudlińska-Pawlak, Izabela Kopyś-Wiszniewska, Małgorzata Jastrzębska, Barbara Kowalska, Maria Uliasz, Monika Bekiesińska-Figatowska
BACKGROUND: Tumors of the developmental age are an important problem in clinical practice. Primary bone tumors constitute 1-1.5% of all tumors, and 7% of all tumors diagnosed in the developmental age. The aim of the study was to assess the capabilities of imaging methods in diagnosing complications of limb endoprostheses in children with osteoarticular tumors. MATERIAL/METHODS: We included 155 patients with limb endoprostheses, aged 7-26 years. There were 113 patients with knee prostheses, 1 patient with bilateral knee prostheses, 16 patients with shoulder prostheses, 14 patients with hip prostheses, 11 patients with hip and knee prostheses, and 1 patient with a femoral prosthesis...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28507642/diagnostic-imaging-of-pregnant-women-the-role-of-magnetic-resonance-imaging
#2
Monika Bekiesińska-Figatowska, Anna Romaniuk-Doroszewska, Sylwia Szkudlińska-Pawlak, Agnieszka Duczkowska, Jarosław Mądzik, Martyna Szopa-Krupińska, Tomasz M Maciejewski
BACKGROUND: Presentation of magnetic resonance imaging (MRI) findings in pregnant women in the Department of Diagnostic Imaging, Institute of Mother and Child, Warsaw, Poland. MATERIAL/METHODS: Forty-three symptomatic pregnant women underwent MRI between 9 and 33 weeks of gestation (mean of 23 weeks). Moreover, we included 2 pregnant women who underwent fetal MRI and had incidental abnormalities. RESULTS: In 9 cases, we excluded the suspected brain abnormalities...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28506842/diagnostic-and-prognostic-value-of-delayed-gadolinium-enhanced-magnetic-resonance-imaging-of-cartilage-dgemric-in-early-osteoarthritis-of-the-hip
#3
Antony Palmer, Scott Fernquest, Ines Rombach, Daniel Park, Tom Pollard, John Broomfield, Neal Bangerter, Andrew Carr, Sion Glyn-Jones
BACKGROUND: Delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC) can detect glycosaminoglycan loss in the acetabular cartilage of asymptomatic individuals with cam morphology. The aims of this study were to explore the relationship between cam morphology and dGEMRIC values, and to explore whether baseline dGEMRIC can predict the development of radiographic hip osteoarthritis. METHODS: Prospective cohort (SibKids) study with clinical, radiographic, and MRI assessment at baseline and five-year follow-up (n=34)...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28479059/comparison-of-pre-revision-magnetic-resonance-imaging-and-operative-findings-in-mechanically-assisted-crevice-corrosion-in-symptomatic-metal-on-polyethylene-total-hip-arthroplasties
#4
Pavel P Morozov, Munib Sana, Brian J McGrory, Steven W Farraher, Tod G Abrahams
BACKGROUND: Failed total hip arthroplasty (THA) caused by mechanically assisted crevice corrosion (MACC) has serious consequences-notably, adverse local tissue reactions. Metal artifact reduction sequence (MARS) magnetic resonance imaging (MRI) has been used to evaluate failed THA for other reasons but has not been assessed for the analysis of cases of MACC in the setting of metal-on-polyethylene arthroplasties. METHODS: We examined the correlation between preoperative MARS MRI and surgical findings in a cohort of 20 consecutive patients undergoing revision THA for symptomatic MACC without other associated orthopedic diagnoses...
March 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28474152/free-vascularized-fibular-grafting-improves-vascularity-compared-with-core-decompression-in-femoral-head-osteonecrosis-a-randomized-clinical-trial
#5
Lu Cao, Changan Guo, Jifei Chen, Zenggan Chen, Zuoqin Yan
BACKGROUND: Management of osteonecrosis of the femoral head remains challenging. Core decompression and free vascularized fibular grafting are commonly used surgical procedures for treatment of osteonecrosis of the femoral head. Few studies, however, have compared these two procedures in a randomized controlled study, in terms of improved vascularity of the femoral head, progression of disease, or hip scores. QUESTION/PURPOSES: (1) What is the effect of core decompression and fibular grafting on vascularity of the femoral head as measured by single-photon emission CT (SPECT)/CT? (2) Does one of these two methods lead to greater progression of Association Research Circulation Osseous (ARCO) stage as determined by serial MRI? (3) What is the relationship between the change in vascularity of the femoral head and hip function as measured by the Harris hip score (HHS) and progression to THA as an endpoint? METHODS: A randomized controlled trial was performed between June 2010 and October 2012 at Zhongshan Hospital, Fudan University...
May 4, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28466650/t2-mapping-for-hip-joint-cartilage-assessment-pre-mri-exercise-and-time-of-imaging-do-not-bias-the-t2-measurement-in-asymptomatic-volunteers
#6
Tobias Hesper, Harish S Hosalkar, Christoph Schleich, Gerald Antoch, Götz H Welsch, Rüdiger Krauspe, Christoph Zilkens, Bernd Bittersohl
Objective To identify if the time of day and pre-imaging exercise matter while performing T2* mapping of hip joint cartilage at 3 T. Design Nine asymptomatic healthy volunteers (mean age 27.4 ± 4.0 years) with no obvious morphological evidence of cartilage damage were enrolled. The MRI protocol included a double-echo steady state (DESS) sequence for morphological cartilage assessment and a multi-echo data image combination sequence for the T2* measurement. T2* values were obtained between 8 and 11 a.m., between 3 and 6 p...
August 1, 2016: Cartilage
https://www.readbyqxmd.com/read/28458901/the-management-of-metastatic-radioiodine-refractory-differentiated-thyroid-cancer-requires-an-integrated-approach-including-both-directed-and-systemic-therapies
#7
Shamil D Cooray, Duncan J Topliss
SUMMARY: A 58-year-old man with metastatic radioiodine-refractory differentiated thyroid cancer (DTC) presented with left thigh and right flank numbness. He had known progressive and widespread bony metastases, for which he received palliative radiotherapy, and multiple bilateral asymptomatic pulmonary metastases. CT scan and MRI of the spine revealed metastases at right T10-L1 vertebrae with extension into the central canal and epidural disease at T10 and T11 causing cord displacement and canal stenosis but retention of spinal cord signal...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28456672/muscle-localization-of-heterotopic-ossification-following-spinal-cord-injury
#8
Malte Ohlmeier, Eduardo M Suero, Mirko Aach, Renate Meindl, Thomas A Schildhauer, Mustafa Citak
BACKGROUND: Heterotopic Ossification (HO) is a known complication especially in people suffering traumatic spinal cord injury (SCI). Though some risk factors have already been described, the pathophysiology of HO is still unknown. The pelvis is the most common region for HO occurrence. However, the prevalence of HO by muscle groups about the hip is not well described. PURPOSE: To analyze the prevalence of early HO in muscle groups about the hip in 267 patients with SCI...
April 26, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28455719/valgus-slipped-capital-femoral-epiphysis-with-contralateral-pre-slip
#9
Dana E Amiraian, Zahir Sarwar, William R Bireley, Elizabeth Moran
Slipped capital femoral epiphysis (SCFE) is a common hip disorder in older children and adolescents, classically with medial and posterior slippage of the proximal femoral epiphysis. However, valgus SCFE is a very rare entity, where the proximal femoral epiphysis slips laterally and posteriorly. To our knowledge, valgus SCFE with magnetic resonance imaging (MRI) features of contralateral pre-slip has not yet been reported. We present a case of a 9 year old girl with symptomatic valgus SCFE on the left and asymptomatic contralateral pre-slip on the right with concurrent radiographic, sonographic, and MRI findings...
April 28, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28451863/variations-in-knee-kinematics-after-acl-injury-and-after-reconstruction-are-correlated-with-bone-shape-differences
#10
Drew A Lansdown, Valentina Pedoia, Musa Zaid, Keiko Amano, Richard B Souza, Xiaojuan Li, C Benjamin Ma
BACKGROUND: The factors that contribute to the abnormal knee kinematics after anterior cruciate ligament (ACL) injury and ACL reconstruction remain unclear. Bone shape has been implicated in the development of hip and knee osteoarthritis, although there is little knowledge about the effects of bone shape on knee kinematics after ACL injury and after ACL reconstruction. QUESTIONS/QUESTIONS: (1) What is the relationship between bony morphology with alterations in knee kinematics after ACL injury? (2) Are baseline bone shape features related to abnormal knee kinematics at 12 months after ACL reconstruction? METHODS: Thirty-eight patients (29 ± 8 years, 21 men) were prospectively followed after acute ACL injury and before ligamentous reconstruction...
April 27, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28448712/-quadratus-femoris-muscle-tear
#11
L G Domínguez-Gasca, J L Alcocer-Maldonado, J Magaña-Reyes, L G Domínguez-Carrillo
BACKGROUND: Quadratus femoris tear is an uncommon injury that usually cause hip pain, it incidence is unknown. The patient can suffer of posterior gluteal pain or groin pain or both, which makes accurate diagnosis difficult, because the differential diagnosis of hip pain is broad. CLINICAL CASE: A 65 years old male, with gluteal and groin pain presented during tennis; evaluated by neurologist with lumbosacral magnetic resonance imaging (MRI) (normal) and referred to physical therapy, a pelvic MRI was required, finding an unsuspected quadratus femoris tear...
September 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28444453/bizarre-soft-tissue-tumour-on-the-gluteus-muscle-a-case-report-of-spontaneous-chronic-expanding-haematoma
#12
Yasuaki Tohma, Yoshio Mii, Yasuhito Tanaka
Chronic expanding haematoma (CEH) is rare and refers to a gradually increasing haematoma that is not absorbed after surgery and trauma. This report highlights unusual mass occurring on the gluteus muscle, and the aim is to indicate the diagnostic method. It is necessary to consider the mechanism of the occurrence and to know the characters of CEH. The patient was a 51-year-old man who had noticed a soft mass on his right hip. The mass had gradually increased to 10 cm in size over the year. CT images revealed a haematoma...
April 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28435744/diagnosis-of-spinal-epidural-abscess-a-case-report-and-literature-review
#13
Chidinma Chima-Melton, Michelle Pearl, Marni Scheiner
INTRODUCTION: Spinal epidural abscess (SEA) is a rare but serious cause of back pain in the critical care setting. It occurs most commonly in adults in their fifth and sixth decades of life. Risk factors include diabetes mellitus, alcoholism, AIDS or other immunocompromised states, cancer, intravenous drug use, trauma and spinal surgery. The clinical presentation can be non-specific but the classical triad includes back pain, fever and neurological deficits. Magnetic resonance imaging (MRI) with gadolinium is the diagnostic imaging modality of choice...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28435582/transient-osteoporosis-of-the-hip-a-case-report
#14
K Pande, T T Aung, J F Leong, I Bickle
Transient osteoporosis of the hip (TOH) is a benign, selflimiting condition characterised by acute onset groin pain in adults. Early diagnosis is important to differentiate it from progressive conditions such as osteonecrosis. We report on a middle-aged male who presented with right groin pain without any prior trauma. The diagnosis of transient osteoporosis of hip was confirmed by Magnetic Resonance Imaging (MRI) and he was successfully treated with a course of Alendronate sodium, anti-inflammatory analgesics and a period of non-weight bearing ambulation...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28432505/3d-double-echo-steady-state-sequence-assessment-of-hip-joint-cartilage-and-labrum-at-3-tesla-comparative-analysis-of-magnetic-resonance-imaging-and-intraoperative-data
#15
Christoph Schleich, Tobias Hesper, Harish S Hosalkar, Fanni Rettegi, Christoph Zilkens, Rüdiger Krauspe, Gerald Antoch, Bernd Bittersohl
OBJECTIVES: To assess the diagnostic accuracy of a high-resolution, three-dimensional (3D) double-echo steady-state (DESS) sequence with radial imaging at 3 Tesla (T) for evaluating cartilage and labral alterations in the hip. METHODS: Magnetic resonance imaging (MRI) data obtained at 3 T, including radially reformatted DESS images and intraoperative data of 45 patients (mean age 42 ± 13.7 years) who underwent hip arthroscopy, were compared. The acetabular cartilage and labrum of the upper hemisphere of the acetabulum and the central femoral head cartilage were evaluated...
April 21, 2017: European Radiology
https://www.readbyqxmd.com/read/28420932/sporadic-actinomycosis-of-the-hip-complicated-by-central-nervous-system-infection
#16
Mohammad Aamer Saleem, Zain Ul Abideen, Iram Shakir Kiani, Anum Yousaf, Amna Rasheed, Raja Wajid Shabbir
Actinomycosis is caused by the Gram positive filamentous Actinomyces bacterial species that are normal commensals of the oral cavity. Due to their low virulence, disease is rare in the immune competent patient. Although it may afflict any system in the body, involvement of the musculoskeletal system is uncommon. Here in, we describe the case of a 60 year old lady presenting with low grade fever, left hip pain and drowsiness. She was diagnosed as left hip actinomycosis on Computed tomogram (CT) guided biopsy and histopathological analysis of infiltrative lesions identified on Magnetic Resonance Imaging (MRI)...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28411966/ultrasound-screening-for-adverse-local-tissue-reaction-after-hip-arthroplasty
#17
David J Robinson, Steven Lee, Paul Marks, Michal E Schneider
Early detection of adverse local tissue reaction (ALTR) to prosthetic hip wear debris is vital to improve the success of revision surgery. Magnetic resonance imaging with metal artefact reduction sequencing (MARS MRI) is considered the modality of choice to provide cross-sectional imaging of the soft tissues. The areas adjacent to the prosthesis are, however, not readily imaged using these protocols. Ultrasound has also been recommended as an imaging modality in the follow-up of hip replacement surgery. We decided to characterise the typical ultrasound findings in a group of patients undergoing routine biennial review of arthroplastic hips with particular reference to the hip capsule, femoral neck and iliopsoas bursa and tendon adjacent to the implant...
April 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28405471/mri-based-hip-cartilage-measures-in-osteoarthritic-and-non-osteoarthritic-individuals-a-systematic-review
#18
REVIEW
Hector N Aguilar, Michele C Battié, Jacob L Jaremko
Osteoarthritis is a common hip joint disease, involving loss of articular cartilage. The prevalence and prognosis of hip osteoarthritis have been difficult to determine, with various clinical and radiological methods used to derive epidemiological estimates exhibiting significant heterogeneity. MRI-based methods directly visualise hip joint cartilage, and offer potential to more reliably define presence and severity of osteoarthritis, but have been underused. We performed a systematic review of MRI-based estimates of hip articular cartilage in the general population and in patients with established osteoarthritis, using MEDLINE, EMBASE and SCOPUS current to June 2016, with search terms such as 'hip', 'femoral head', 'cartilage', 'volume', 'thickness', 'MRI', etc...
2017: RMD Open
https://www.readbyqxmd.com/read/28389885/anatomical-evaluation-of-lumbar-nerves-using-diffusion-tensor-imaging-and-implications-of-lateral-decubitus-for-lateral-transpsoas-approach
#19
Yasuhiro Oikawa, Yawara Eguchi, Atsuya Watanabe, Sumihisa Orita, Kazuyo Yamauchi, Miyako Suzuki, Yoshihiro Sakuma, Go Kubota, Kazuhide Inage, Takeshi Sainoh, Jun Sato, Kazuki Fujimoto, Masao Koda, Takeo Furuya, Koji Matsumoto, Yoshitada Masuda, Yasuchika Aoki, Kazuhisa Takahashi, Seiji Ohtori
PURPOSE: Recently, lateral interbody fusion (LIF) has become more prevalent, and evaluation of lumbar nerves has taken on new importance. We report on the assessment of anatomical relationships between lumbar nerves and vertebral bodies using diffusion tensor imaging (DTI). METHODS: Fifty patients with degenerative lumbar disease and ten healthy subjects underwent DTI. In patients with lumbar degenerative disease, we studied nerve courses with patients in the supine positions and with hips flexed...
April 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28389554/eular-recommendations-for-the-use-of-imaging-in-the-clinical-management-of-peripheral-joint-osteoarthritis
#20
Garifallia Sakellariou, Philip G Conaghan, Weiya Zhang, Johannes W J Bijlsma, Pernille Boyesen, Maria Antonietta D'Agostino, Michael Doherty, Daniela Fodor, Margreet Kloppenburg, Falk Miese, Esperanza Naredo, Mark Porcheret, Annamaria Iagnocco
The increased information provided by modern imaging has led to its more extensive use. Our aim was to develop evidence-based recommendations for the use of imaging in the clinical management of the most common arthropathy, osteoarthritis (OA). A task force (including rheumatologists, radiologists, methodologists, primary care doctors and patients) from nine countries defined 10 questions on the role of imaging in OA to support a systematic literature review (SLR). Joints of interest were the knee, hip, hand and foot; imaging modalities included conventional radiography (CR), MRI, ultrasonography, CT and nuclear medicine...
April 7, 2017: Annals of the Rheumatic Diseases
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