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https://www.readbyqxmd.com/read/28538370/radiographic-anatomical-relationship-between-spinous-process-and-pedicle-in-thoracolumbar-and-lumbar-spine
#1
Xingang Cui, Guodong Wang
Pedicle screws are widely used in spinal surgeries, but it remains technically demanding to place. There are numerous studies on the anatomy of pedicle; however, there is very little insight on the relationship between the pedicle and the spinous process, which is an important part of the spinal posterior column.The aim of the study was to investigate the radiographic anatomical relationship between spinous processes and pedicles in the thoracolumbar and lumbar spine, in order to reveal a novel entrance point for pedicle screw insertion...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28533618/interrater-reliability-and-intrarater-reliability-of-lateral-scapular-slide-tests-of-females-in-their-20s
#2
Sang-Young Park
[Purpose] The purpose of the present study was to examine the intrarater reliability and intrarater reliability of lateral scapular slide tests among young females. [Subjects and Methods] A total of 60 female students in U University in Gyeongsangbuk-do, South Korea participated in this study. Lateral scapular slide tests (LSST) were conducted to identify interrater & intrarater reliability. In the LSSTs, the distance from the inferior angle of the scapula to thoracic vertebral spinous process T8 was measured in three positions (shoulder joint 0°, 45°, and 90° abduction) using tape measures...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533108/hyaluronidase-administered-with-xylazine-tiletamine-zolazepam-into-adipose-tissue-shortens-recovery-from-anesthesia-in-pigs
#3
Shayne P Bisetto, Adriano B Carregaro, André E S Nicolai, Thais F Bressan, William P Leal, Nathalia V Xavier, Diego F Leal, André F C Andrade
OBJECTIVE: To evaluate the effect of hyaluronidase on uptake, duration and speed of elimination of xylazine-tiletamine-zolazepam administered in the subcutaneous fat over the dorsal lumbar region of swine. STUDY DESIGN: Blinded, randomized, crossover study. ANIMALS: Six healthy Landrace/Large White pigs weighing 132±24 kg (mean±standard deviation). METHODS: Animals were administered xylazine (1 mg kg(-1)) and tiletamine-zolazepam (8 mg kg(-1)) (control treatment, CON), or xylazine-tiletamine-zolazepam at the same doses with hyaluronidase (400 IU) (treatment HYA)...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28525474/anatomy-of-lamina-in-the-subaxial-cervical-spine-with-the-special-reference-to-translaminar-screws-ct-and-cadaveric-analysis-with-screw-trajectory-simulation
#4
Woojin Cho, Jason T Le, Adam L Shimer, Brian C Werner, John A Glaser, Francis H Shen
STUDY DESIGN: A cadaveric study. SUMMARY OF BACKGROUND DATA: Translaminar screws were initially developed for C2 fixation. Since then, their usage has expanded to include the subaxial cervical spine, and thoracic and lumbar spine. To the best of our knowledge, special anatomy for inserting translaminar screws in the subaxial cervical spine has not been studied. OBJECTIVE: To report the special anatomy for inserting translaminar screws in the subaxial cervical spine...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28511289/human-enthesis-group-3-innate-lymphoid-cells
#5
Richard J Cuthbert, Evangelos M Fragkakis, Robert Dunsmuir, Zhi Li, Mark Coles, Helena Marzo-Ortega, Peter Giannoudis, Elena Jones, Yasser M El-Sherbiny, Dennis McGonagle
Objective Group 3 innate lymphoid cells (ILC3s) play a pivotal role in barrier tissues such as the gut and the skin, two important sites of disease in spondyloarthropathy (SpA). It was investigated whether normal and injured human enthesis, the key target tissue in early SpA, harboured ILC3s in entheseal soft tissue (EST) and adjacent peri-entheseal bone (PEB). Methods Interspinous ligament and spinous process bone was collected from donors with no systemic inflammatory disease, enzymatically digested and immunophenotyped...
May 16, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28509432/feasibility-assessment-of-shear-wave-elastography-to-lumbar-back-muscles-a-radioanatomic-study
#6
Maud Creze, Krystel Nyangoh Timoh, Olivier Gagey, Laurence Rocher, Marie-France Bellin, Marc Soubeyrand
INTRODUCTION: Low back pain is often associated with tensional changes in the paraspinal muscles detected by palpatory procedures. Shear wave elastography (SWE), recently introduced, allows the stiffness of muscles to be assessed non-invasively. The aim of our work was to study the feasibility of using SWE on the three main lumbar back muscles (multifidus, longissimus and iliocostalis) in vivo after analyzing their muscular architecture ex vivo. MATERIALS AND METHODS: We determined the orientation of fibers in the multifidus, longissimus and iliocotalis muscles in seven fresh cadavers using gross anatomy and B-Mode ultrasound imaging...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28508663/-18-f-fdg-pet-ct-in-polymyalgia-rheumatica-a-pictorial-review
#7
Zdenek Rehak, Andrea Sprlakova-Pukova, Tomas Kazda, Zdenek Fojtik, Lenka Vargova, Petr Nemec
Polymyalgia rheumatica (PMR) is one of the inflammatory rheumatic diseases that can potentially be detected by PET/CT. High (18)F-FDG accumulation around the shoulders, sternoclavicular and hip joints are the most common pre-treatment features of PMR patients. Another common sign is increased (18)F-FDG uptake in extraarticular regions between columnal spinous processes, near ischial tuberosities and in the praepubic area. Some patients also present with high (18)F-FDG uptake in main arteries, corresponding to the characteristics of giant cell arteritis...
May 16, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28479684/redefining-epithelial-characterization-in-oral-submucous-fibrosis-using-morphometric-analysis
#8
Ajit Singh Rathore, Amit Gupta, Devi Charan Shetty, Kiran Kumar, Raghu Dhanapal
BACKGROUND: Oral submucous fibrosis (OSMF) is a chronic oral mucosal disease characterized by progressive deposition of collagen in subepithelial connective tissue and epithelial atrophy. The present study was conducted to evaluate the changes in epithelial thickness and cellular and nuclear morphometric characteristics of parabasal and spinous compartments of the epithelium in various stages of OSMF in comparison to normal epithelium. MATERIALS AND METHODS: Sample included 30 cases of OSMF of various stages and five cases of normal buccal mucosa...
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28474111/ct-guided-transosseous-soft-tissue-biopsy-techniques-outcomes-and-complications-in-50-cases
#9
Monzer Chehab, Stephen Zintsmaster, Syed Zafar Jafri, Mark Richards, Anindya Roy
PURPOSE: To describe the techniques, outcomes and complications of CT-guided transosseous biopsy of soft tissue lesions via multiple different routes. MATERIALS AND METHODS: Clinical and radiologic data from all consecutive soft tissue biopsies performed via a transosseous approach between April 2009 and July 2015 were retrospectively compiled. Fifty biopsies performed in 50 patients (n = 17 males, n = 33 females) were included. Biopsies were performed using a 13-gauge biopsy needle which was advanced through the selected bone to the lesion margin followed by coaxial placement of either an 18- or 20-gauge biopsy gun...
May 4, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28453451/sensitivity-for-palpating-lumbopelvic-soft-tissues-and-bony-landmarks-and-its-associated-factors-a-single-blinded-diagnostic-accuracy-study
#10
Ana Paula Antunes Ferreira, Luciana Cid Póvoa, José Fernando Cardona Zanier, Dequitier Carvalho Machado, Arthur de Sá Ferreira
BACKGROUND: Evidence on the diagnostic performance of palpatory methods and possible confounding factors is scarce. OBJECTIVES: To examine the sensitivity of palpatory methods for location of lumbopelvic landmarks and to assess its association with personal characteristics. METHODS: Eighty-three participants (41 men, 55.6 (16.5) years, 25.9 (4.8) kg/m2 [mean (SD)]) were enrolled in this single-blinded study. Fourteen body and softy-tissue landmarks were sequentially palpated from the spinous process of L4 to the ischial tuberosity...
April 21, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28446938/minimally-invasive-surgery-for-resection-of-ossification-of-the-ligamentum-flavum-in-the-thoracic-spine
#11
Wei Zhao, Chaoxiong Shen, Ranze Cai, Jianfeng Wu, Yuandong Zhuang, Zhaowen Cai, Rui Wang, Chunmei Chen
INTRODUCTION: Thoracic ossification of the ligamentum flavum (TOLF) is a common cause of progressive thoracic myelopathy. Surgical decompression is commonly used to treat TOLF. AIM: To evaluate the clinical outcomes of microsurgical decompression of TOLF via a paraspinal approach, using a percutaneous tubular retractor system. MATERIAL AND METHODS: First, three-dimensional (3D) image reconstruction and printed models were made from thin computed tomography scans for each patient...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28444475/vertebral-abnormality-without-spine-curvature-deformity-on-prenatal-ultrasonography-sonographic-findings-and-postnatal-radiographic-correlations
#12
Mi Jin Song, Young-Hwa Kim
PURPOSE: To evaluate prenatal US features and postnatal radiographic findings of fetuses with a sonographically detected vertebral abnormality (VA) without spine-curvature deformity (SCD). METHODS: Twenty-six fetuses showing a VA without SCD on prenatal US at our ultrasound center for a 5-year period were retrospectively identified and evaluated for sonographic data and coexisting anomalies. Medical records and postnatal radiographs of all 16 live births were reviewed...
April 25, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28442874/graham-little-piccardi-syndrome-a-lens-through-beyond-what-is-known
#13
Abhijit Saha, Joly Seth, Anupam Das, Sandipan Dhar
Graham-Little-Piccardi syndrome (GLPS) is a rare form of follicular lichen planus and comprises cicatricial alopecia of the scalp, noncicatricial alopecia of the axillae, and/or pubis and spinous follicular papules involving the trunk and extremities. We herein report a classic case of GLPS in a 49-year-old female. Uniqueness of our case is due to its additional features of frontal fibrosing alopecia (FFA). Although overlap between GLPS and FFA has been mentioned in literature, such numbers are scanty. Therapeutic response with oral steroid and retinoid is also far better in contrast to what is described in the existing literature...
October 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/28441310/a-dose-response-curve-for-a-gram-negative-spinal-implant-infection-model-in-rabbits
#14
Joseph L Laratta, Jamal N Shillingford, Nathan Hardy, Ronald A Lehman, Lawrence G Lenke, K Daniel Riew
STUDY DESIGN: Randomized complete block animal spinal implant infection model with internal control. OBJECTIVE: To develop a spinal implant animal infection model to simulate postoperative gram-negative wound infection. SUMMARY OF BACKGROUND DATA: Implant-associated surgical site infections (SSI) remain a dreaded complication of spinal surgery. Currently, over 30% of all spine SSIs are secondary to gram-negative bacteria. Traditional animal models have utilized gram-positive inoculums to simulate postoperative infection, but there exists no model in the literature for gram-negative infection in the setting of spinal instrumentation...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28437334/a-new-fixation-technique-for-french-door-cervical-laminoplasty-surgical-results-with-a-minimum-follow-up-of-6-years
#15
Nanjundappa S Harshavardhana, Harshad V Dabke, Hossein Mehdian
DESIGN: A case series of 5 patients with multilevel cervical myelopathy treated by French-door cervical laminoplasty (FDCL) and use of unicortical iliac crest graft as spacer fixed with titanium miniplates and screws is described. OBJECTIVE: To report a minimum of 6-year follow-up results of our new plate-screw fixation technique for FDCL. SUMMARY OF BACKGROUND DATA: Hardware-assisted laminoplasty has the potential advantage of preventing restenosis by holding the laminar door "open" while healing progresses and also prevents spacer dislodgement...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28435914/factors-predictive-of-topographical-accuracy-in-spine-level-localization
#16
Jin W Tee, Joost Rutges, Travis Marion, John Street, Scott Paquette, Tamir Ailon, Brian K Kwon, Marcel Dvorak, Michael Boyd
BACKGROUND: Pre-operative spine level localization by palpation of anatomical landmarks (ribs, spinous processes) in posterior approaches for surgeries from T4 to L2 is often inaccurate. This can lead to ineffective utilization of procedural time, increased radiation dose, potentially longer skin incision and wrong level surgery. Factors affecting topographical accuracy includes body mass index (BMI) of the patient, congenital or acquired deformity and knowledge of topographical anatomy...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435114/the-decussating-fibers-of-the-lumbar-thoracolumbar-fascia-a-landmark-for-identifying-the-l5-spinous-process
#17
Fernando Alonso, Tarush Rustagi, Christian Fisahn, Doniel Drazin, Brady Gardner, Joe Iwanaga, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: The thoracolumbar fascia has been well studied and is known to have crisscrossing fibers. Based on surgical experience, we have hypothesized that the decussating fibers of this fascia may indicate a specific vertebral level. Therefore, the following anatomical study was performed. METHODS: Twenty adult fresh frozen cadavers aged 72-84 years old at death were placed in the prone position and the skin of the lumbar and upper sacrum was removed. Careful attention was given to the thoracolumbar fascia and any fibers of it that grossly crossed the midline to inderdigitate with its contralateral counterpart...
April 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28413118/cadaveric-and-ultrasonographic-validation-of-needling-placement-in-the-cervical-multifidus-muscle
#18
César Fernández-de-Las-Peñas, Juan A Mesa-Jiménez, Jose A Paredes-Mancilla, Shane L Koppenhaver, Samuel Fernández-Carnero
OBJECTIVE: The aim of this study was to determine if a needle is able to reach the cervical multifidus during the application of dry needling or acupuncture. METHODS: Dry needling and ultrasound imaging of cervical multifidi was conducted on 5 patients (age: 32 ± 5 years) with mechanical neck pain and on 2 fresh cadavers (age: 64 ± 1 years). Dry needling was done using a needle of 40 mm in length inserted perpendicular to the skin about 1 cm lateral to the spinous process at C3-C4...
April 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28407736/large-enchondroma-of-the-thoracic-spine-a-rare-case-report-and-review-of-the-literature
#19
Jing Guo, Ju-Zhou Gao, Lian-Jin Guo, Zhi-Xun Yin, Er-Xing He
BACKGROUND: Enchondroma, a subtype of chondroma, originates from the medullary cavity of the bone and produces an expansile growth pattern. Enchondroma located in the spine is rare and a few cases of large thoracic enchondroma have been reported. The authors document a rare case of large enchondroma in the thoracic spine of a 49-year-old woman, and discuss its clinical, radiological and histopathological characteristics. CASE PRESENTATION: The patient presented with rapidly progressive and severe pain on her upper back...
April 13, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28404241/discrete-morphological-variants-of-human-cervical-vertebrae-exploring-pattern-of-distribution-and-biological-significance
#20
M K Karapetian
Studies on discrete traits of the human cervical vertebrae, appearing at certain intervals during the last century, posed some questions regarding evolutionary processes that human cervical spine underwent during phylogenesis. To address questions of significance of these morphological traits we need first a good knowledge of the extent of their variation in modern humans. The aim of the current work was to integrate available data on the occurrence of various non-metric traits in the human cervical spine and search for the pattern of their distribution on intra- and inter-population levels...
March 9, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
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