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Hip radiograph image evaluation

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https://www.readbyqxmd.com/read/29114626/postarthroscopy-imaging-in-femoroacetabular-impingement-persistent-pain-may-be-due-to-an-insufficient-correction-of-preoperative-abnormalities
#1
Cosimo Tudisco, Salvatore Bisicchia, Sandro Tormenta, Amedeo Taglieri, Ezio Fanucci
Purpose  The purpose of this study was to evaluate the effect of correction of abnormal radiographic parameters on postoperative pain in a group of patients treated arthroscopically for femoracetabular impingement (FAI). Methods  A retrospective study was performed on 23 patients affected by mixed-type FAI and treated arthroscopically. There were 11 males and 12 females with a mean age of 46.5 (range: 28-67) years. Center-edge (CE) and α angles were measured on preoperative and postoperative radiographic and magnetic resonance imaging (MRI) studies and were correlated with persistent pain at follow-up...
March 2017: Joints
https://www.readbyqxmd.com/read/29104842/concurrent-multiple-myeloma-and-metastatic-osteosarcoma-a-case-report-and-literature-review
#2
Ashley Ramirez, Vincent Grekoski, Michael Valente, Fiona Tissavirasingham, Alessandra Fahey, Nicole Guevara, John W Stelzer, M Joe Ma, Jeremy Burt
Multiple myeloma (MM) and osteosarcoma (OS) are two common bone malignancies, however, the simultaneous occurrence of both primary bone tumors in the same patient has not been reported in the United States to date. We present a unique case in which both malignancies present concurrently in a 72-year-old man. Results of spinal magnetic resonance imaging (MRI), radiographic skeletal survey, and hematological workup established the initial diagnosis of MM. Approximately three months later, the patient was admitted with severe right hip pain and shortness of breath and was evaluated with computed tomography (CT) of the right hip, abdomen, pelvis, and chest, revealing an osseous mass with a "sunburst" pattern in the right hip, and several calcified nodules in the lungs...
August 31, 2017: Curēus
https://www.readbyqxmd.com/read/29100768/computed-tomography-scans-in-patients-with-young-adult-hip-pain-carry-a-lifetime-risk-of-malignancy
#3
James D Wylie, Peter A Jenkins, James T Beckmann, Christopher L Peters, Stephen K Aoki, Travis G Maak
PURPOSE: To calculate the lifetime risk of malignancy in young adult patients with hip pain using 5 different imaging and radiation dose protocols with or without pre- and postoperative computed tomography (CT). METHODS: Radiographic and CT patient radiation doses were retrospectively reviewed. Imaging protocols for hip pain composed of radiographs with or without pre- and postoperative CT scans were modeled and radiation doses were estimated using the PCXMC computer code...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29066106/quantitative-effect-of-pelvic-position-on-radiographic-assessment-of-acetabular-component-position
#4
Dimitri E Delagrammaticas, Hasham M Alvi, Aaron J Kaat, Ryan R Sullivan, Michael D Stover, David W Manning
BACKGROUND: Intraoperative fluoroscopy aims to improve component position in total hip arthroplasty. Measurement bias related to image quality, however, has not been quantified. We aim to quantify measurement bias in the interpretation of acetabular component position as a function of pelvis and fluoroscopic beam position in a simulated supine total hip arthroplasty model. METHODS: Posterior-anterior pelvis and hip images were obtained using a previously described pelvic model with known acetabular component position...
September 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29018910/incidence-of-delayed-union-one%C3%A2-year-after-peri-acetabular-osteotomy-based-on-computed-tomography
#5
Shunsuke Akiho, Koichi Kinoshita, Ayumi Matsunaga, Satohiro Ishii, Hajime Seo, Jun Nishio, Takuaki Yamamoto
BACKGROUND: Pubic bone nonunion and delayed union are reported as post-operative complications after peri-acetabular osteotomy (PAO). However, few studies have determined the incidence of delayed union using computed tomography (CT) scans. This study aimed to determine the incidence of delayed union at one year after PAO using X-ray and CT scans. METHODS: We performed a retrospective review of 150 hips in 132 consecutive patients with acetabular dysplasia who underwent PAO between January 2012 and June 2016 and evaluated 107 hips for which pelvic CT scans taken at one year after PAO were available...
October 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28972793/potential-discrepancy-between-plain-films-and-ct-scans-in-brooker-classification-of-heterotopic-ossification
#6
Tao Mary Jiayi, Probyn Linda, Poon Michael, Kreder Hans, Nousiainen Markku, Jenkinson Richard, Wan Bo Angela, Tsao May, Barnes Elizabeth, Chow Edward
OBJECTIVES: The Brooker classification is a commonly used tool to characterize the extent of heterotopic ossification (HTO), which is the dystrophic formation of mature lamellar bone in non-osseous tissues such as muscles, connective tissue or nerves. We aim to provide illustrative cases to describe the limitations and challenges of this system. METHODS: A retrospective review was conducted in all patients who had retrieved hip and/or pelvic radiotherapy for HTO prophylaxis at Sunnybrook Health Sciences Centre between July 1998 and August 2016...
December 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28971082/open-versus-arthroscopic-approach-in-the-treatment-of-femoroacetabular-impingement-a-case-control-study-with-two-years-follow-up
#7
Bruno Dutra Roos, Milton Valdomiro Roos, Antero Camisa Júnior, Ezequiel Moreno Ungaretti Lima, Maurício Domingos Betto
OBJECTIVE: To compare clinical and imaging results and complications between patients treated for femoroacetabular impingement (FAI) who underwent either anterior open surgery or an arthroscopic approach, with a minimum follow-up of two years. METHODS: This retrospective case-control study included patients submitted to FAI surgical treatment between November 2007 and March 2012. Patients treated with open surgery were compared with those treated with arthroscopy...
2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28947452/a-hospital-based-observational-cohort-study-exploring-pain-and-biomarkers-in-patients-with-hand-osteoarthritis-in-norway-the-nor-hand-protocol
#8
Marthe Gløersen, Elisabeth Mulrooney, Alexander Mathiessen, Hilde Berner Hammer, Barbara Slatkowsky-Christensen, Karwan Faraj, Thore Isaksen, Tuhina Neogi, Tore K Kvien, Karin Magnusson, Ida Kristin Haugen
INTRODUCTION: We have limited knowledge about the underlying disease mechanisms and causes of pain in hand osteoarthritis (OA). Consequently, no disease-modifying drug exists, and more knowledge about the pathogenesis of hand OA is needed, as well as a validation of different outcome measures. Our first aim of this study is to explore the validity of various imaging modalities for the assessment of hand OA. Second, we want to gain a better understanding of the disease processes, with a special focus on pain mechanisms...
September 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28931340/lessons-learnt-from-early-failure-of-a-patient-trial-with-a-polymer-on-polymer-resurfacing-hip-arthroplasty
#9
Job L C Van Susante, Nico Verdonschot, L Paul A Bom, Pawel Tomaszewski, Pat Campbell, Edward Ebramzadeh, B Wim Schreurs
Background and purpose - Hip resurfacing (HR) is a treatment option promoted for hip arthritis in young and active patients. However, adverse reactions to metal are a concern and the search for non-metallic bearing options proceeds. We present the first clinical study performed in patients using a newly developed hydrophilic polymer-on-polymer hip resurfacing device. Patients and methods - After performing extensive hip simulator tests, biocompatibility testing and animal tests (ISO 14242-1,3; 10993-3,4,5,10,11), approval was obtained from the IRB committee to enroll 15 patients in the first clinical study in humans using this experimental polymer-on-polymer hip resurfacing device...
September 21, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28913395/simultaneous-bilateral-total-hip-arthroplasty-in-morquio-syndrome
#10
Imran Ilyas, Syed Kashif, Samar Rabbani, Husam A Alrumaih
A 16-year-old girl who had Morquio syndrome presented with severe bilateral hip pain and limited mobility because of bilateral hip osteoarthritis and fixed flexion deformities. She was wheelchair bound for the previous 6 months. Cervical spine flexion-extension views showed mild subluxation (<3 mm), and there was thoracolumbar spine kyphosis. Magnetic resonance imaging of the cervical and thoracolumbar spine showed hypoplasia of the odontoid and vertebral bodies, but no spinal cord compression. Bilateral cemented total hip arthroplasty was performed through a posterior approach under general anesthesia with fiberoptic intubation...
September 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/28840285/osseous-spurs-at-the-fovea-capitis-femoris-a-frequent-finding-in-asymptomatic-volunteers
#11
Susanne Bensler, Christoph A Agten, Christian W A Pfirrmann, Reto Sutter
OBJECTIVE: To investigate the different morphologic types of the fovea capitis femoris and the spectrum of osseous spurs/osteophytes of the fovea in asymptomatic volunteers and patients with hip osteoarthritis. MATERIAL AND METHODS: Sixty-five patients (mean age 63.6 years) with radiographically confirmed osteoarthritis of the hip and 59 asymptomatic healthy volunteers (mean age 33.9 years) underwent non-contrast MRI of the hip joint. Two radiologists independently evaluated all images...
August 24, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28836028/prevalence-and-clinical-outcomes-of-hip-fractures-and-subchondral-insufficiency-fractures-of-the-femoral-head-in-patients-with-tumour-induced-osteomalacia
#12
Hiroshi Kobayashi, Nobuaki Ito, Toru Akiyama, Tomotake Okuma, Yuka Kinoshita, Masachika Ikegami, Yusuke Shinoda, Seiji Fukumoto, Sakae Tanaka, Hirotaka Kawano
PURPOSE: Tumour-induced osteomalacia (TIO) is a rare paraneoplastic syndrome usually caused by phosphaturic mesenchymal tumours, leading to great distress due to bone pain and affecting quality of life (QoL). This study aimed to investigate the prevalence and clinical outcomes of hip fractures and subchondral insufficiency fractures (SIF) of the femoral head. METHODS: Twelve TIO patients were treated between January 2000 and December 2016 at our hospital. All underwent surgery for the tumour causing TIO, and complete removal of the tumour was accomplished in nine of 12 cases...
December 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28822791/acute-unilateral-hip-pain-in-fibrodysplasia-ossificans-progressiva-fop
#13
Frederick S Kaplan, Mona Al Mukaddam, Robert J Pignolo
BACKGROUND: Flare-ups of the hips are among the most feared and disabling complications of fibrodysplasia ossificans progressiva (FOP) and are poorly understood. In order to better understand the nature of hip flare-ups in FOP, we evaluated 25 consecutive individuals with classic FOP (14 males, 11 females; 3-56years old, median age, 17years old) who presented with acute unilateral hip pain. RESULTS: All 25 individuals were suspected of having a flare-up of the hip based on clinical history and a favorable response to a four day course of high-dose oral prednisone...
August 16, 2017: Bone
https://www.readbyqxmd.com/read/28820271/cam-deformities-and-limited-hip-range-of-motion-are-associated-with-early-osteoarthritic-changes-in-adolescent-athletes-a-prospective-matched-cohort-study
#14
Cody C Wyles, Germán A Norambuena, Benjamin M Howe, Dirk R Larson, Bruce A Levy, Brandon J Yuan, Robert T Trousdale, Rafael J Sierra
BACKGROUND: The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE: To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls...
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28819611/acute-stress-fracture-of-the-pelvis-after-total-hip-arthroplasty-a-case-report
#15
Oluwaseun Akinbo, Vineet Tyagi
INTRODUCTION: Acute hip pain following total hip arthroplasty (THA) could have numerous causes to include stress fracture of the pelvis. Stress fractures of the pelvis are rare and have been reported to involve the medial wall and the pubic ramus. A unique case is presented demonstrating the clinical presentation and management of an acute stress fracture of ilium and anterior column following a THA. CASE REPORT: A 72-year-old man underwent an uncomplicated right THA...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28777285/3d-modeling-of-lower-extremities-with-biplanar-radiographs-reliability-of-measures-on-subsequent-examinations
#16
David E Westberry, Ashley M Carpenter
BACKGROUND: Biplanar radiography with 3-dimensional (3D) modeling (EOS) provides a comprehensive assessment of lower limb alignment in an upright weight-bearing position with less radiation than conventional radiography. A study was performed to assess the consistency and reliability of 2 lower extremity 3D biplanar radiograph models created at least 1 year apart in a pediatric population. METHODS: All patients who had 2 lower extremity radiographic evaluations with EOS performed at visits a minimum of 1 year apart were reviewed...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28737077/systematic-screening-of-adverse-reactions-to-metal-debris-after-recap-m2a-magnum-metal-on-metal-total-hip-arthroplasty
#17
H Mäntymäki, M Junnila, P Lankinen, M Seppänen, T Vahlberg, K T Mäkelä
BACKGROUND AND AIMS: An adverse reaction to metal debris is a known complication after large diameter head metal-on-metal total hip arthroplasty. However, the failure rate varies depending on the implant design. Therefore, we investigated the prevalence of adverse reaction to metal debris, as well as the symptoms and risk factors after undergoing a ReCap-M2a-Magnum large diameter head metal-on-metal total hip arthroplasty. MATERIALS AND METHODS: Between 2005 and 2012, 1188 patients (1329 hips) underwent ReCap-M2a-Magnum total hip arthroplasty at our institution...
March 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28730243/a-52-year-old-man-with-gouty-arthritis-and-erosive-lesion-in-the-hip
#18
Vitorino Modesto Dos Santos, Viviane Vieira Passini Soares, Priscilla Souza de Faria, Francisca Germanya Morais Borges Viana, Mayza Lemes Duarte
The case study of peripheral and axial gouty arthritis is described in a 52-year-old man without concomitant clinical evidence of tophaceus gout on physical evaluation on admission. Gout is a metabolic disorder related to excess of uric acid in the extracellular compartment, and deposition of monosodium urate crystals in the joints and other sites. Arthritis and tophi are major manifestations, which more often involve the peripheral joints asymmetrically. Chronic tophaceous gout commonly develops after a decade of recurrent polyarticular gout...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28722766/comparative-analysis-of-the-radiology-of-osteoporotic-vertebral-fractures-in-women-and-men-cross-sectional-and-longitudinal-observations-from-the-canadian-multicentre-osteoporosis-study-camos
#19
Brian C Lentle, Claudie Berger, Linda Probyn, Jacques P Brown, Lisa Langsetmo, Ben Fine, Kevin Lian, Arvind K Shergill, Jacques Trollip, Stuart Jackson, William D Leslie, Jerilynn C Prior, Stephanie M Kaiser, David A Hanley, Jonathan D Adachi, Tanveer Towheed, K Shawn Davison, Angela M Cheung, David Goltzman
We compared two methods for osteoporotic vertebral fracture (VF) assessment on lateral spine radiographs, the Genant semiquantitative (GSQ) technique and a modified algorithm-based qualitative (mABQ) approach. We evaluated 4465 women and 1771 men aged ≥50 years from the Canadian Multicentre Osteoporosis Study with available X-ray images at baseline. Observer agreement was lowest for grade 1 VFs determined by GSQ. Among physician readers, agreement was greater for VFs diagnosed by mABQ (ranging from 0.62 [95% confidence interval (CI) 0...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28675977/the-reliability-of-measuring-acetabular-component-position-on-radiographs-using-everyday-diagnostic-imaging-software
#20
Jack Lahy, Jarrad Stevens, Dean McKenzie, Richard de Steiger
BACKGROUND: It is standard practice for total hip arthroplasty (THA) patients to have post-operative imaging, and one of the reasons is to assess the adequacy of acetabular component position. Correct positioning of the acetabular component is important for successful outcome in THA. Acetabular component position can be measured from either computed tomography (CT) or plain radiographs. While CT is the gold standard for accurately measuring acetabular component position, radiographs are routinely used for post-operative evaluation...
May 2017: Journal of Orthopaedic Surgery
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