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Hip radiograph image evaluation

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https://www.readbyqxmd.com/read/28097109/accuracy-and-reliability-of-preoperative-on-screen-templating-using-digital-radiographs-for-total-hip-arthroplasty
#1
Jong Ki Shin, Seung Min Son, Tae Woo Kim, Won Chul Shin, Jung Sub Lee, Kuen Tak Suh
PURPOSE: Preoperative on-screen templating is a method of using acetate templates on digital images. The aim of the present study was to evaluate the accuracy, intra- and interobserver reliabilities of preoperative on-screen templating using digital radiographs for total hip arthroplasty (THA). MATERIALS AND METHODS: Two hundred patients with hip disease who were treated with primary cementless THA were retrospectively evaluated. The accuracy of on-screen templating was assessed by comparing the predicted prosthesis sizes with the actual sizes used operatively...
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28078371/acetabular-defect-classification-in-times-of-3d-imaging-and-patient-specific-treatment-protocols
#2
K Horas, J Arnholdt, A F Steinert, M Hoberg, M Rudert, B M Holzapfel
Parallel to the rising number of revision hip procedures, an increasing number of complex periprosthetic osseous defects can be expected. Stable long-term fixation of the revision implant remains the ultimate goal of the surgical protocol. Within this context, an elaborate preoperative planning process including anticipation of the periacetabular defect form and size and analysis of the remaining supporting osseous elements are essential. However, detection and evaluation of periacetabular bone defects using an unsystematic analysis of plain anteroposterior radiographs of the pelvis is in many cases difficult...
January 11, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28004173/no-difference-in-prevalence-of-radiographic-subspinal-impingement-of-the-hip-between-symptomatic-and-asymptomatic-subjects
#3
Jun-Il Yoo, Yong-Chan Ha, Han-Jun Lee, Jung-Yeop Lee, Young-Kyun Lee, Kyung-Hoi Koo
PURPOSE: The study determined the prevalence of subspinal impingement (SSI) in symptomatic and asymptomatic individuals, morphologic characteristics in symptomatic patients, and risk factors for SSI. METHODS: The study cohort consisted of 427 patients (427 hips; median age 33.4 years; range 19-50 years) with mechanical symptoms who underwent multi-detector computed tomography arthrography (symptomatic patients) and 259 control (asymptomatic) patients who underwent abdominopelvic three-dimensional CT because of a ureter stone or minor trauma...
December 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27919200/bony-ankylosis-of-the-facet-joint-of-the-cervical-spine-in-rheumatoid-arthritis-its-characteristics-and-relationship-to-the-clinical-findings
#4
Haku Iizuka, Yoichi Iizuka, Koichi Okamura, Yukio Yonemoto, Tokue Mieda, Kenji Takagishi
OBJECTIVES: The purpose of this study was to clarify the characteristics of bony ankylosis of the facet joint of the cervical spine in rheumatoid arthritis (RA) patients who required cervical spine surgery, and its relationship to the clinical findings. METHODS: Eighty consecutive RA patients with cervical spine disorder who received initial surgery were reviewed. The occurrence of bony ankylosis of the facet joint of the cervical spine was investigated using computed tomography (CT) before surgery...
December 21, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27919199/predictive-factors-associated-with-the-progression-of-large-joint-destruction-in-patients-with-rheumatoid-arthritis-after-biologic-therapy-a-post-hoc-analysis-using-fdg-pet-ct-and-the-arashi-assessment-of-rheumatoid-arthritis-by-scoring-of-large-joint-destruction
#5
Takahito Suto, Yukio Yonemoto, Koichi Okamura, Chisa Okura, Tetsuya Kaneko, Tsutomu Kobayashi, Masahiro Tachibana, Yoshito Tsushima, Kenji Takagishi
OBJECTIVE: To investigate the associations between large-joint damage and findings on fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) using the "assessment of rheumatoid arthritis by scoring of large-joint destruction and healing in radiographic imaging (ARASHI)" scoring system. METHODS: A total of 270 large joints (shoulders, elbows, hips, knees, and ankles) in 27 rheumatoid arthritis patients were assessed. FDG-PET/CT was performed at the initiation of biologics...
December 23, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27889923/normal-radiological-unossified-hip-joint-space-and-femoral-head-size-development-during-growth-in-675-children-and-adolescents
#6
Veronika Wegener, Gabriele Jorysz, Andreas Arnoldi, Sandra Utzschneider, Bernd Wegener, Volkmar Jansson, Bernhard Heimkes
Evaluation of hip joint space width during child growth is important to aid in the early diagnosis of hip pathology in children. We established reference values for hip joint space and femoral head size for each age. Hip joint space development during growth was retrospectively investigated medial and cranial in 1350 hip joints of children using standard anteroposterior supine plain pelvic radiographs. Maximum capital femoral epiphysis diameter and femoral radii were further more investigated. Hip joint space values show a slow decline during growth...
November 7, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27853838/pre-procedural-scout-radiographs-are-unnecessary-for-routine-pediatric-fluoroscopic-examinations
#7
Sean G Creeden, Anil G Rao, Meryle J Eklund, Jeanne G Hill, Paul G Thacker
BACKGROUND: Although practice patterns vary, scout radiographs are often routinely performed with pediatric fluoroscopic studies. However few studies have evaluated their utility in routine pediatric fluoroscopy. OBJECTIVE: To evaluate the value of scout abdomen radiographs in routine barium or water-soluble enema, upper gastrointestinal (GI) series, and voiding cystourethrogram pediatric fluoroscopic procedures. MATERIALS AND METHODS: We retrospectively evaluated 723 barium or water-soluble enema, upper GI series, and voiding cystourethrogram fluoroscopic procedures performed at our institution...
November 17, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27852907/scoring-the-current-risk-stratification-guidelines-in-follow-up-evaluation-of-patients-after-metal-on-metal-hip-arthroplasty-a-proposal-for-a-metal-on-metal-risk-score-supporting-clinical-decision-making
#8
Daniel K Hussey, Rami Madanat, Gabrielle S Donahue, Ola Rolfson, Charles R Bragdon, Orhun K Muratoglu, Henrik Malchau
BACKGROUND: In the follow-up evaluation of patients with metal-on-metal (MoM) hip replacements, current evidence suggests that orthopaedic surgeons should avoid reliance on any single investigative tool. Current risk stratification guidelines can be difficult to interpret because they do not provide guidance when there are several risk factors in different groups (high and low risk). To improve the clinical utility of risk stratification guidelines, we designed a scoring system to assess the risk of revision...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27800574/periprosthetic-occult-fractures-of-the-acetabulum-occur-frequently-during-primary-tha
#9
Kazuhiro Hasegawa, Tamon Kabata, Yoshitomo Kajino, Daisuke Inoue, Hiroyuki Tsuchiya
BACKGROUND: Periprosthetic fractures of the acetabulum occurring during primary THA are rare. Periprosthetic occult fractures are defined as those not identified by the surgeon during the procedure which might be missed on a routine postoperative radiograph. However, it is unclear how frequently these fractures occur and whether their presence affects functional recovery. QUESTIONS/PURPOSES: In this study, using routine CT scans that were obtained as part of another primary hip arthroplasty study protocol, we retrospectively assessed (1) the prevalence of occult fractures of the acetabulum occurring during primary THA, (2) the location of occult fractures of the acetabulum during THA, and (3) risk factors contributing to such occult fractures...
February 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27789098/analysis-of-the-pelvic-functional-orientation-in-the-sagittal-plane-a-radiographic-study-with-eos-2d-3d-technology
#10
Mattia Loppini, Umile Giuseppe Longo, Pasquala Ragucci, Nicoletta Trenti, Luca Balzarini, Guido Grappiolo
BACKGROUND: We investigated the relationship between pelvic incidence (PI) with anterior pelvic plane angle (APPA), pelvic tilt (PT) angle, and sacral slope (SS) in standing and sitting positions to identify the best parameter expressing the pelvic functional orientation in the sagittal plane. METHODS: We enrolled 109 consecutive patients (M:F = 43:66) eligible for a primary total hip arthroplasty (THA) with an average age of 63.4 years (15-85). EOS 2D/3D radiography was performed in standing and sitting positions before THA to evaluate the functional pelvic orientation...
September 28, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27782728/automatic-segmentation-of-the-glenohumeral-cartilages-from-magnetic-resonance-images
#11
A Neubert, Z Yang, C Engstrom, Y Xia, M W Strudwick, S S Chandra, J Fripp, S Crozier
PURPOSE: Magnetic resonance (MR) imaging plays a key role in investigating early degenerative disorders and traumatic injuries of the glenohumeral cartilages. Subtle morphometric and biochemical changes of potential relevance to clinical diagnosis, treatment planning, and evaluation can be assessed from measurements derived from in vivo MR segmentation of the cartilages. However, segmentation of the glenohumeral cartilages, using approaches spanning manual to automated methods, is technically challenging, due to their thin, curved structure and overlapping intensities of surrounding tissues...
October 2016: Medical Physics
https://www.readbyqxmd.com/read/27761578/one-stage-revision-of-an-infected-cementless-total-hip-replacement
#12
Michael G Ficklin, Michael P Kowaleski, Kevin A R Kunkel, Jonathan T Suber
A two-year-old, 44 kg dog with a right Helica cementless total hip replacement (THR) was radiographically diagnosed with implant loosening eight months after the index total hip replacement procedure. Subsequent synoviocentesis and synovial fluid culture revealed a methicillin-resistant coagulase-negative Staphylococcus spp infection of the right THR. A one-stage revision using a hybrid BFX cementless acetabular cup and CFX cemented femoral stem was performed. Vancomycin and micro-silver antimicrobial powder impregnated cement were used in the revision...
November 23, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27743204/the-cranial-sagittal-vertical-axis-crsva-is-a-better-radiographic-measure-to-predict-clinical-outcomes-in-adult-spinal-deformity-surgery-than-the-c7-sva-a-monocentric-study
#13
Yong-Chan Kim, Lawrence G Lenke, Seon-Jong Lee, Jeffrey L Gum, Sirichai Wilartratsami, Kathy M Blanke
PURPOSE: Our study aimed to confirm the correlation between the Cranial Sagittal Vertical Axis (CrSVA) and patient-reported outcomes and to compare clinical correlation between CrSVA and C7 SVA in adult spinal deformity (ASD) patients. METHODS: 108 consecutive ASD patients were evaluated using the EOS(®) 2D/3D radio-imaging device. A vertical plumb line from the cranial center was utilized to measure the distance to the posterior corner of S1 (CrSVA-S), and to the centers of the hip (CrSVA-H), the knee (CrSVA-K), and ankle (CrSVA-A), as well as measuring the standard C7 SVA...
October 14, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27726744/sports-injuries-about-the-hip-what-the-radiologist-should-know
#14
Tarek M Hegazi, Jeffrey A Belair, Eoghan J McCarthy, Johannes B Roedl, William B Morrison
Injuries of the hip and surrounding structures represent a complex and commonly encountered scenario in athletes, with improper diagnosis serving as a cause of delayed return to play or progression to a more serious injury. As such, radiologists play an essential role in guiding management of athletic injuries. Familiarity with hip anatomy and the advantages and limitations of various imaging modalities is of paramount importance for accurate and timely diagnosis. Magnetic resonance (MR) imaging is often the modality of choice for evaluating many of the injuries discussed, although preliminary evaluation with conventional radiography and use of other imaging modalities such as ultrasonography (US), computed tomography, and bone scintigraphy may be supplementary or preferred in certain situations...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27686411/management-of-a-patient-with-acute-acetabular-labral-tear-and-femoral-acetabular-impingement-with-intra-articular-steroid-injection-and-a-neuromotor-training-program
#15
Joel R Narveson, Matthew D Haberl, Patrick J Grabowski
Study Design Case report. Background Intra-articular hip pathologies can be difficult to diagnose, and evidence to guide physical therapy interventions is lacking. The purpose of this case report is to describe a clinical pathway for conservative management of a patient with an acute acetabular labral tear and femoroacetabular impingement. Case Description The patient was an 18-year-old woman with recent onset of right groin pain who underwent intra-articular corticosteroid injection and therapeutic exercise for the management of an acute acetabular labral tear identified on radiographic imaging...
November 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27679733/internal-snapping-hip-syndrome-in-dynamic-ultrasonography
#16
REVIEW
Małgorzata Piechota, Jarosław Maczuch, Jarosław Skupiński, Karolina Kukawska-Sysio, Wojciech Wawrzynek
Snapping hip syndrome is an audible or palpable snap in a hip joint during movement which may be accompanied by pain or locking. It is typically seen in young athletes performing activities requiring repeated extreme movements of the hip. It may also follow a physical trauma, intramuscular injections or surgeries. There are two main forms of snapping hip: extra- or intra-articular. Extra-articular snapping hip is elicited by an abnormal movement of specific tendons and is divided into two forms: internal and external...
September 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/27664561/dosage-effects-of-extracorporeal-shockwave-therapy-in-early-hip-necrosis
#17
Ching-Jen Wang, Chung-Cheng Huang, Hon-Kan Yip, Ya-Ju Yang
BACKGROUND: This study investigated the effects of different dosages of extracorporeal shockwave therapy (ESWT) in early osteonecrosis of the femoral head (ONFH). MATERIALS AND METHODS: Thirty-three patients (42 hips) were randomly divided into three groups. Group A (10 patients with 16 hips) received 2000 impulses of ESWT at 24 Kv to the affected hip. Group B (11 patients with 14 hips) and Group C (12 patients with 12 hips) received 4000 and 6000 impulses of ESWT respectively...
November 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27650993/iatrogenic-hip-instability-is-a-devastating-complication-after-the-modified-dunn-procedure-for-severe-slipped-capital-femoral-epiphysis
#18
Vidyadhar V Upasani, Oliver Birke, Kevin E Klingele, Michael B Millis
BACKGROUND: The modified Dunn procedure facilitates femoral capital realignment for slipped capital femoral epiphysis (SCFE) through a surgical hip dislocation approach. Iatrogenic postoperative hip instability after this procedure has not been studied previously; however, we were concerned when we observed several instances of this serious complication, and we wished to study it further. QUESTIONS/PURPOSES: The purpose of this study was to evaluate the frequency, timing, and clinical presentation (including complications) associated with iatrogenic instability after the modified Dunn procedure for SCFE...
September 20, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27626787/longitudinal-study-using-voxel-based-relaxometry-association-between-cartilage-t1%C3%AF-and-t2-and-patient-reported-outcome-changes-in-hip-osteoarthritis
#19
Valentina Pedoia, Matthew C Gallo, Richard B Souza, Sharmila Majumdar
PURPOSE: To study the local distribution of hip cartilage T1ρ and T2 relaxation times and their association with changes in patient reported outcome measures (PROMs) using a fully automatic, local, and unbiased method in subjects with and without hip osteoarthritis (OA). MATERIALS AND METHODS: The 3 Tesla MRI studies of the hip were obtained for 37 healthy controls and 16 subjects with radiographic hip OA. The imaging protocol included a three-dimensional (3D) SPGR sequence and a combined 3D T1ρ and T2 sequence...
September 14, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27583164/unrecognized-osteoid-osteoma-of-the-proximal-femur-with-associated-cam-impingement
#20
REVIEW
Justin A Ly, Erin M Coleman, Gary S Cohen, Eric J Kropf
Femoro-acetabular impingement is a common cause of hip pain in young athletes. Evaluation typically includes radiographs and magnetic resonance imaging. It is important to appreciate uncommon diagnoses and the role of complimentary imaging. This clinical vignette emphasizes the need complete imaging with CT in select case of atypical hip pain. We present a 19-year old soccer player who underwent seemingly successful arthroscopic FAI surgery but returned with pain. Computed tomography (CT) revealed osteoid osteoma of the lesser trochanter...
August 2016: Journal of Hip Preservation Surgery
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