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orthopedic MRI

Davis C Woodworth, Langston T Holly, Emeran A Mayer, Noriko Salamon, Benjamin M Ellingson
BACKGROUND: Advanced cervical spondylosis (CS) can cause structural damage to the spinal cord resulting in long-term neurological impairment including neck pain and motor weakness. We hypothesized long-term structural reorganization within the brain in patients with CS. OBJECTIVE: To explore the associations between cortical thickness, subcortical volumes, neurological symptoms, and pain severity in CS patients with or without myelopathy and healthy controls (HCs)...
March 14, 2018: Neurosurgery
Marc-Etienne Parent, François Vézina, Nathalie Carrier, Ariel Masetto
OBJECTIVE: To analyze the indications for and clinical procedures resulting from knee magnetic resonance imaging (MRI) in older patients. DESIGN: We retrospectively analyzed 215 medical records of patients 50 years of age and older who had undergone a unilateral knee MRI in 2009. SETTING: Centre hospitalier universitaire de Sherbrooke in Quebec. PARTICIPANTS: Patients 50 years of age and older who underwent a knee MRI in 2009...
March 2018: Canadian Family Physician Médecin de Famille Canadien
Feng Yang, Ming-Sheng Tan, Ping Yi, Xiang-Sheng Tang, Qing-Ying Hao, Ying-Na Qi
OBJECTIVE: To compare the clinical effect between spinal card decompression combined with traditional Chinese medicine and simple spinal card decompression for cervical spondylotic myelopathy. METHODS: From June 2012 to June 2015, 73 patients with cervical spondylotic myelopathy were treated, including 42 males and 31 females, aged from 29 to 73 years old with a mean of 50.9 years old. The patients were divided into the simple operation group (34 cases) and the operation combined with traditional Chinese medicine group(39 cases) according to the idea of themselves...
January 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Scott Meester, Sangil Lee
Spontaneous bilateral quadriceps tendon rupture is a rare finding in emergency departments. Thus, the pathophysiology is not well understood. Imaging for improved speed of diagnosis is rarely considered. We present a case of non-traumatic spontaneous bilateral quadriceps tendon rupture and examine current literature on the pathophysiology and imaging guidelines on the topic. The patient is a 49-year-old male that presented to the emergency department with bilateral thigh pain. He had been seen earlier with similar pain, but now presents with increased difficulty ambulating...
March 3, 2018: American Journal of Emergency Medicine
Jacob D Bolzenius, Benjamin S C Wade, Carmen S Velez, Ann Marie Drennon, Douglas B Cooper, Jan E Kennedy, Matthew W Reid, Amy O Bowles, Paul M Thompson, Boris Gutman, Jeffrey D Lewis, John L Ritter, Gerald E York, Erin D Bigler, David F Tate
OBJECTIVE: To assess interactions of subcortical structure with subjective symptom reporting associated with mild traumatic brain injury (mTBI), using advanced shape analysis derived from volumetric MRI. PARTICIPANTS: Seventy-six cognitively symptomatic individuals with mTBI and 59 service members sustaining only orthopedic injury. DESIGN: Descriptive cross-sectional study. MAIN MEASURES: Self-report symptom measures included the PTSD Checklist-Military, Neurobehavioral Symptom Inventory, and Symptom Checklist-90-Revised...
March 2018: Journal of Head Trauma Rehabilitation
Grzegorz Guzik
BACKGROUND: Thoracic spine cancer metastases is frequently the cause of neurological deficits. Despite the availability of diagnostics, delays in treatment are still quite common. The aim of this work is to analyze the reasons for delayed diagnostics and treatment, in patients with neurological deficits in the course of metastatic spine disease. METHODS: In our study patients medical data was analyzed from 2013 to 2015. The analysis covered the following aspects: symptoms of metastases, time of neurological deficits occurrence, where and when initial diagnostics were performed, time from diagnosis to proper surgical treatment in an oncological centre...
March 7, 2018: BMC Palliative Care
Paolo Missori, Maurizio Domenicucci, Daniele Marruzzo
BACKGROUND: Removing the posterior longitudinal ligament in cervical corpectomy is a controversial issue: it is unclear whether the risks are counterbalanced by clinical benefits. Another unexplored topic is whether the width of the corpectomy affects outcome. METHODS: This cross-sectional retrospective study included consecutive patients that underwent cervical corpectomy for spondylosis by 6 different neurosurgeons. We compared two groups, where the posterior longitudinal ligament was either removed (N=15 patients) or preserved (N=21 patients)...
March 3, 2018: World Neurosurgery
Xianda Gao, Linfeng Wang, Jingtao Zhang, Peng Wang, Yong Shen
STUDY DESIGN: This is retrospective study. OBJECTIVE: Our purpose is to examine the state of the L5-S1 disk after long fusion arthrodesis stopping at L5 in adult scoliosis, and to identify the risk factors for disk degeneration. SUMMARY OF BACKGROUND DATA: The long fusion arthrodesis surgery for adult scoliosis has shown to have good clinical results. However, there is still some controversy with reference to the potential caudal extents of the fusion, that is, L5 or S1...
March 2, 2018: Clinical Spine Surgery
Paul Harkey, Richard Duszak, Soterios Gyftopoulos, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to identify the specialty characteristics of providers referring musculoskeletal (MSK) extremity imaging examinations to radiologists, so as to better understand the drivers of MSK imaging utilization and potentially improve the appropriateness of such imaging examinations. MATERIALS AND METHODS: Data on provider referral for MSK extremity imaging services were extracted from the 2014 Medicare Referring Provider Utilization for Procedures public use file, which aggregates data on diagnostic procedures according to referring provider identities and service codes...
February 28, 2018: AJR. American Journal of Roentgenology
Matteo Baldassarri, Luca Perazzo, Marco Ricciarelli, Simone Natali, Francesca Vannini, Roberto Buda
OBJECTIVES: Osteochondral lesions of the distal tibial plafond (OLTP) are rare and far less common than osteochondral lesions of the talus. Literature data do not report clinical records with significant number of cases and follow-up. The aim of our study was to evaluate clinical and MRI outcomes following arthroscopic treatment of distal tibia osteochondral lesions and to report our results with treating these rare lesions. METHODS: Between October 2010 and November 2011, a consecutive series of 27 patients, 15 males and 12 females, were treated arthroscopically with the one-step BMDCT for OLTPs...
February 23, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Aria Nouri, Lindsay Tetreault, Satoshi Nori, Allan R Martin, Anick Nater, Michael G Fehlings
BACKGROUND: Congenital spinal stenosis (CSS) of the cervical spine is a risk factor for acute spinal cord injury and development of degenerative cervical myelopathy (DCM). OBJECTIVE: To develop magnetic resonance imaging (MRI)-based criteria to diagnose preexisting CSS and evaluate differences between patients with and without CSS. METHODS: A secondary analysis of international prospectively collected data between 2005 and 2011 was conducted...
February 16, 2018: Neurosurgery
Simona D Marino, Laura Schiavone, Flavia M C La Mendola, Tiziana Timpanaro, Maria Elena Cucuzza, Filippo Greco, Pierluigi Smilari, Agata Fiumara, Andrea Domenico Praticò
Unilateral palsy of the hypoglossal nerve is a rare complication of orthodontic procedures. The main reported causes of HNP are: orthopedic and otorhinolaryngology surgical interventions, and in particular maneuvers involving compression or overstretching of the hypoglossal nerve, dental procedures and traumas, and also infections, motoneuron disorders, tumors, vascular diseases. Diagnosis is usually performed by electrophysiology studies (EMG-VCN), and brain magnetic resonance imaging (MRI) is useful to exclude other causes...
February 6, 2018: Neurologia i Neurochirurgia Polska
Renaud Lafage, Sébastien Pesenti, Virginie Lafage, Frank J Schwab
PURPOSE: In past decades, the role of sagittal alignment has been widely demonstrated in the setting of spinal conditions. As several parameters can be affected, identifying the driver of the deformity is the cornerstone of a successful treatment approach. Despite the importance of restoring sagittal alignment for optimizing outcome, this task remains challenging. Self-learning computers and optimized algorithms are of great interest in spine surgery as in that they facilitate better planning and prediction of postoperative alignment...
February 9, 2018: European Spine Journal
Ziqi Zhu, Dingjun Hao, Biao Wang, Wenjie Gao, Ruize Yang, Hua Guo, Yongyi Wang, Lingbo Kong
BACKGROUND: Cervicothoracic spinal tuberculosis is a rare disease. Due to its difficult and challenging surgical exposure, its surgical treatment approach remains inconclusive. Long-term follow-up studies to address this puzzling issue are rarely seen in the literature. The purpose of this study was to explore the selection of surgical treatment approaches for cervicothoracic spinal tuberculosis through a 10-year case review. METHODS: From January 2003 to January 2013, 45 patients suffering from cervicothoracic spinal tuberculosis were treated surgically...
2018: PloS One
João Ellera Gomes, Arthur F Soares, Carlos E Bastiani, Jacqueline Vieira de Castro
BACKGROUND: The anterior drawer test is traditionally used to assess ankle instability, but we believe that there is room for a small but effective improvement by adding digital palpation of the talus. We aimed to determine the accuracy of anterolateral talar palpation (ATP) in the diagnosis of ankle instability by comparing it with the traditional anterior drawer test. METHODS: Fourteen symptomatic and 10 asymptomatic patients were examined for excessive mobility through comparison of both ankles by two blinded orthopedic surgeons, each one using one of the above-mentioned tests...
June 6, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
Qianru Li, Kui Ma, Hongyue Tao, Yinghui Hua, Shuang Chen, Shiyi Chen, Yutong Zhao
PURPOSE: To compare the results of anatomical lateral ankle ligament (LAL) reconstruction with tendon allograft and autograft using clinical scores and ultrashort echo time (UTE) sequence of MRI. METHODS: A total of 26 patients with LAL reconstruction were recruited in this study, including 16 using semitendinosus allografts and 10 using semitendinosus autograft. All of them were diagnosed as chronic ankle instability and accepted anatomic reconstruction. The American Orthopedic Foot and Ankle Society (AOFAS) score, Karlsson score, and radiological evaluation using MRI UTE scanning were extracted from each patient...
February 5, 2018: International Orthopaedics
Guangdong Chen, Yifan Wang, Zhidong Wang, Ruofu Zhu, Huilin Yang, Zongping Luo
BACKGROUND: Little data is available about comparison of the incidence and clinical characteristics of the C5 palsy between patients of cervical myelopathy with occupying ratio greater than 50% and those with occupying ratio less than 50% following laminoplasty. METHODS: One-hundred eighteen patients with cervical myelopathy who underwent open door laminoplasty were reviewed in this study. The patients were divided into two groups: group A comprising 55 patients with an anterior occupying ratio greater than 50% and group B comprising 63 patients with an anterior occupying less than 50%...
February 2, 2018: Journal of Orthopaedic Surgery and Research
Hirotoshi Takahashi, Maya Uno, Kazuya Miyoshi
While skull base metastases from breast cancer are not uncommon, there are relatively few reported cases in the literature. We report a case of skull base metastasis of breast cancer that resulted in dysphasia, odynophagia, and dysarthria. The case involved a woman in her 50 s who was diagnosed with cancer of the right breast(cT4N1M0, cStage III B)at another medical institution 9 years previously and who underwent a partial mastectomy and an axillary lymph node dissection following neoadjuvant chemotherapy...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
C Smeekes, B J M Schouten, M Nix, B F Ongkiehong, R Wolterbeek, B C H van der Wal, R G H H Nelissen
OBJECTIVE: Pseudotumors, a well-known complication of metal-on-metal total hip arthroplasty (MoM THA), are well identified on metal artifact-reducing sequences magnetic resonance imaging (MARS-MRI). Several MRI grading systems are described in the orthopedic literature, but their validity is unknown in large clinical studies. Our study was undertaken to describe the classification of pseudotumors in a preselected cohort divided into high- and low-risk patients, using three pseudotumor grading systems applied on MARS-MRI, and to determine the interobserver reliability of the grading systems...
February 1, 2018: Skeletal Radiology
Marc O'Donnell, William F Lavelle, Mike H Sun
Spondylolysis is frequently seen in adolescents, typically at the L5 vertebral level. While there may be a congenital predisposition for spondylolysis, it has long been suggested that the defect results from a fatigue or stress fracture of the pars interarticularis. Spondylolisthesis may result from a bilateral spondylolytic defect and is frequently asymptomatic. There is a paucity of literature on infant and toddler spondylolysis, as the focus is primarily on school-aged children, typically those over ten years of age...
December 2017: Journal of Spine Surgery (Hong Kong)
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