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https://www.readbyqxmd.com/read/29245097/inverted-v-shaped-high-tibial-osteotomy-for-severe-tibia-vara-associated-with-turner-syndrome-a-case-report-and-review-of-literature
#1
Daisuke Abe, Satoshi Hamai, Ken Okazaki, Masato Yoshimoto, Takashi Komatsu, Yasuharu Nakashima
INTRODUCTION: Severe cases of genu varum represent a major challenge in obtaining normal configuration of the proximal tibia and overall limb alignment. PRESENTATION OF CASE: We performed inverted V-shaped high tibial osteotomy (HTO) by using a locking plate for recurrent severe bilateral tibia vara in a 15-year-old female patient with Turner syndrome. Preoperative medial proximal tibial angle (MPTA) and standing femorotibial angle (FTA) of the right/left legs were 67°/69° and 197°/203°, respectively...
December 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29244957/hypercementosis-associated-with-enpp1-mutations-and-gaci
#2
V Thumbigere-Math, A Alqadi, N I Chalmers, M B Chavez, E Y Chu, M T Collins, C R Ferreira, K FitzGerald, R I Gafni, W A Gahl, K S Hsu, M S Ramnitz, M J Somerman, S G Ziegler, B L Foster
Mineralization of bones and teeth is tightly regulated by levels of extracellular inorganic phosphate (Pi) and pyrophosphate (PPi). Three regulators that control pericellular concentrations of Pi and PPi include tissue-nonspecific alkaline phosphatase (TNAP), progressive ankylosis protein (ANK), and ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1). Inactivation of these factors results in mineralization disorders affecting teeth and their supporting structures. This study for the first time analyzed the effect of decreased PPi on dental development in individuals with generalized arterial calcification of infancy (GACI) due to loss-of-function mutations in the ENPP1 gene...
December 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29244899/spatial-response-of-synthetic-microdiamond-and-diode-detectors-measured-with-kilovoltage-synchrotron-radiation
#3
Duncan J Butler, Toby Beveridge, Joerg Lehmann, Christopher P Oliver, Andrew W Stevenson, Jayde Livingstone
PURPOSE: To map the spatial response of four solid-state radiation detectors of types commonly used for radiotherapy dosimetry. METHODS: PTW model 60016 Diode P, 60017 Diode E, 60018 Diode SRS and 60019 microDiamond detectors were radiographed using a high resolution conventional X-ray system. Their spatial response was then investigated using a 0.1 mm diameter beam of 95 keV average energy photons generated by a synchrotron. The detectors were scanned through the beam while their signal was recorded as a function of position, to map the response...
December 15, 2017: Medical Physics
https://www.readbyqxmd.com/read/29244842/intensive-care-treatments-associated-with-favorable-discharge-outcomes-in-argentine-children-with-severe-traumatic-brain-injury-for-the-south-american-guideline-adherence-group
#4
Monica S Vavilala, Silvia B Lujan, Qian Qiu, Michael J Bell, Nicolás M Ballarini, Nahuel Guadagnoli, María Alejandra Depetris, Gabriela A Faguaga, Gloria M Baggio, Leonardo O Busso, Mirta E García, Osvaldo R González Carrillo, Paula L Medici, Silvia S Sáenz, Elida E Vanella, Carly K Farr, Gustavo J Petroni
OBJECTIVE: Little is known about the critical care management of children with traumatic brain injury (TBI) in low middle income countries. We aimed to identify indicators of intensive care unit (ICU) treatments associated with favorable outcomes in Argentine children with severe TBI. METHODS: We conducted a secondary analysis of data from patients previously enrolled in a prospective seven center study of children with severe TBI who were admitted to an ICU in one of the seven study centers...
2017: PloS One
https://www.readbyqxmd.com/read/29244782/efficacy-of-blunt-force-trauma-a-novel-mechanical-cervical-dislocation-device-and-a-non-penetrating-captive-bolt-device-for-on-farm-euthanasia-of-pre-weaned-kits-growers-and-adult-commercial-meat-rabbits
#5
Jessica L Walsh, Aaron Percival, Patricia V Turner
The commercial meat rabbit industry is without validated on-farm euthanasia methods, potentially resulting in inadequate euthanasia protocols. We evaluated blunt force trauma (BFT), a mechanical cervical dislocation device (MCD), and a non-penetrating captive bolt device (NPCB) for euthanasia of pre-weaned kits, growers, and adult rabbits. Trials were conducted on three commercial meat rabbit farms using 170 cull rabbits. Insensibility was assessed by evaluating absence of brainstem and spinal reflexes, rhythmic breathing, and vocalizations...
December 15, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/29244703/the-risk-of-assuming-abuse-in-an-infant-with-an-isolated-metaphyseal-lesion-a-case-report
#6
Kirsten Norrell, William Hennrikus
CASE: The classic metaphyseal lesion, or corner fracture, is considered a strong indicator of nonaccidental trauma. In the present case, the parents brought their 8-month-old boy to a community hospital after he stopped crawling on the right leg. A knee radiograph demonstrated an isolated metaphyseal lesion, which prompted concern for child abuse. The patient was transferred to the nearest academic medical center; the pediatric radiology expert in child abuse determined that the lesion was a normal variant and not the result of abuse...
July 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244698/restoration-of-humeral-bone-stock-two-years-after-internal-fixation-of-a-periprosthetic-fracture-with-a-loose-stem-a-report-of-two-cases
#7
Christian Fang, Chun-Hoi Yan, Dennis Yee, Tak-Wing Lau, Tak-Man Wong, Frankie Leung
CASE: We describe 2 patients who sustained a periprosthetic humeral fracture with a loosened long-stemmed Coonrad-Morrey total elbow prosthesis. As noted in the literature, the success rate for a major revision with use of strut grafts is around 70%; therefore, both cases were managed without revision of the prosthesis. A submuscular locking plate was placed following typical fracture fixation principles. Screws that interfered with the humeral stem and the distal flange stabilized both the distal fragment and the humeral stem...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244692/reconstruction-of-extended-bone-defects-using-massive-allografts-combined-with-surgical-angiogenesis-a-case-report
#8
Victoria Struckmann, Gerhard Schmidmaier, Thomas Ferbert, Ulrich Kneser, Thomas Kremer
CASE: A 20-year-old patient presented with an extended composite knee defect with destruction of the medial femoral condyle, including the medial collateral ligament. Treatment included using an anterolateral thigh flap for soft-tissue reconstruction, tensor fasciae latae muscle for ligament repair, and a massive allogenic bone graft of the medial femoral condyle that was revascularized with an osteocutaneous composite free flap from the contralateral femur. At 17 months postoperatively, the outcome was evaluated with scores on several established scales and radiographic assessment...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244690/aseptic-lymphocyte-dominated-vasculitis-associated-lesion-as-early-as-six-weeks-after-total-hip-replacement-a-case-report
#9
Sajid Khawaja, Graeme Holt, Aman Khan
CASE: A 40-year-old man who underwent total hip replacement on the left side with a metal-on-metal (MOM) implant reported swelling at the operative site within 6 weeks of the arthroplasty. Tissue sampled during the revision arthroplasty showed an aseptic lymphocyte-dominated vasculitis-associated lesion (ALVAL). CONCLUSION: ALVAL is a widely recognized complication of MOM hip implants and needs to be considered early, even in completely asymptomatic patients with normal metal ion levels and normal radiographs...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244689/trochanteric-femoral-fracture-around-a-birmingham-hip-resurfacing-prosthesis-a-case-report-and-review-of-the-literature
#10
Daud Tai Shan Chou, Ben Davis
CASE: A traumatic nondisplaced periprosthetic trochanteric fracture around a well-fixed and functioning Birmingham Hip Resurfacing prosthesis was managed with a reconstruction intramedullary nail. The surgical procedure provided excellent pain relief, and the patient was able to mobilize with crutches the day after surgery. Follow-up at 1 year confirmed excellent clinical and radiographic results. CONCLUSION: In a patient with a previously well-functioning hip resurfacing prosthesis, internal fixation rather than revision hip arthroplasty can offer good clinical and radiographic outcomes...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244687/pilon-fractures-of-the-base-of-the-proximal-phalanx-direct-intraosseous-joint-reduction-with-bone-grafting-and-mini-screws-a-case-report
#11
Iva Neshkova, Rainer H Meffert
CASE: A 31-year-old woman sustained a closed pilon fracture of the base of the second proximal phalanx. Computed tomography showed comminution, central depression, and splaying of the articular surface. We used a method of direct intraosseous joint reduction in combination with bone-grafting and mini-screws to treat the fracture. For reduction, a golf-club-shaped instrument was inserted into the medullary cavity through a drill-hole in the phalanx. CONCLUSION: The advantage of this technique is that it leaves the joint capsular complex and the extensor hood intact...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244683/insufficiency-fracture-occurring-3-years-after-union-of-an-intertrochanteric-hip-fracture-a-case-report
#12
Byung-Ho Yoon, Sung Bae Park
CASE: We present a rare case of insufficiency fracture at the level of the distal interlocking screw following union of an intertrochanteric hip fracture. A 74-year-old woman reported chronic thigh pain for 1 month. She had a history of an osteoporotic stable intertrochanteric fracture that was successfully treated with a short intramedullary nail 3.5 years prior. However, after union, the neck-shaft angle of the femur changed from 125° to 117°. She had been on alendronic acid therapy to prevent a secondary osteoporotic fracture...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244675/high-pressure-injection-injury-caused-by-electronic-cigarette-explosion-a-case-report
#13
Ian Foran, Nikhil R Oak, Matthew J Meunier
CASE: Electronic cigarettes are an increasingly popular and poorly regulated alternative to traditional cigarettes that deliver nicotine and other aerosolized substances to the user via a battery-powered atomizer. We report a case in which an electronic cigarette explosion resulted in a high-pressure injection injury of the finger. CONCLUSION: Explosions involving electronic cigarettes and similar handheld products should be treated as high-pressure injection injuries until proven otherwise...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244673/using-double-contrast-ct-arthrography-to-confirm-suspected-dissociation-of-a-cemented-polyethylene-liner-in-the-setting-of-revision-total-hip-arthroplasty-a-case-report
#14
Aakash Chauhan, Sean Fitzpatrick, Robert L Sciulli, Nicholas G Sotereanos, Jeffrey J Sewecke
CASE: A 67-year-old woman who underwent a re-revision of a total hip arthroplasty with a cemented polyethylene liner fell 14 months after surgery. The patient had symptoms of pain and weakness; however, clinical, laboratory, and radiographic evaluation did not disclose fracture, infection, osteolysis, or component migration. Liner dissociation was suspected, and a double-contrast computed tomography (CT) arthrogram confirmed failure at the cement-liner interface. She underwent additional revision surgery and was doing well at the 3-year follow-up...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244669/operative-fixation-of-an-anterior-inferior-iliac-spine-apophyseal-avulsion-fracture-nonunion-in-an-adolescent-soccer-player-a-case-report
#15
James B Carr, Evan Conte, Evan A Rajadhyaksha, Kevin A Laroche, F Winston Gwathmey, Eric W Carson
CASE: A 14-year-old male competitive soccer player presented with a history of recurrent right hip pain for 18 months. He was diagnosed with an anterior inferior iliac spine (AIIS) apophyseal avulsion fracture nonunion with subspinal impingement, which was confirmed by radiographs, computed tomography, and magnetic resonance imaging. The patient underwent surgical fixation and subspinal decompression. He returned to competitive soccer 5 months postoperatively. CONCLUSION: AIIS apophyseal avulsion fractures occur in adolescent athletes and generally respond to nonoperative treatment...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244597/relationship-between-repository-radiographic-findings-and-subsequent-performance-of-quarter-horses-competing-in-cutting-events
#16
Myra F Barrett, C Wayne McIlwraith, Erin K Contino, Richard D Park, Christopher E Kawcak, David D Frisbie, James R zumBrunnen
OBJECTIVE To investigate potential associations between repository radiographic findings and subsequent performance of Quarter Horses competing in cutting events. DESIGN Retrospective cohort study. SAMPLE Repository radiographs (ie, radiographs obtained at the time of sale) for 343 client-owned horses. PROCEDURES Repository radiographic findings were compared with objective measures of performance, including the likelihood of competing; the likelihood of earning money as a 3-year-old, as a 4-year-old, and as a 3- and 4-year-old combined; and the amount of money earned as a 3-year-old, as a 4-year-old, and as a 3- and 4-year-old combined...
January 1, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29243998/adjacent-segment-disease-after-thoracic-pedicle-screw-fixation
#17
Nitin Agarwal, Robert F Heary, Prateek Agarwal
OBJECTIVE Pedicle screw fixation is a technique widely used to treat conditions ranging from spine deformity to fracture stabilization. Pedicle screws have been used traditionally in the lumbar spine; however, they are now being used with increasing frequency in the thoracic spine as a more favorable alternative to hooks, wires, or cables. Although safety concerns, such as the incidence of adjacent-segment disease (ASD) after cervical and lumbar fusions, have been reported, such issues in the thoracic spine have yet to be addressed thoroughly...
December 15, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29243977/factors-predicting-reoperation-of-chronic-subdural-hematoma-following-primary-surgical-evacuation
#18
Rouzbeh Motiei-Langroudi, Martina Stippler, Siyu Shi, Nimer Adeeb, Raghav Gupta, Christoph J Griessenauer, Efstathios Papavassiliou, Ekkehard M Kasper, Jeffrey Arle, Ron L Alterman, Christopher S Ogilvy, Ajith J Thomas
OBJECTIVE Chronic subdural hematoma (CSDH) is commonly encountered in neurosurgical practice. However, surgical evacuation remains complicated by a high rate of reoperation. The optimal surgical approach to reduce the reoperation rate has not been determined. In the current study, the authors evaluated the prognostic value of clinical and radiographic factors to predict reoperation in the context of CSDH. METHODS A retrospective review of 325 CSDH patients admitted to an academic medical center in the United States, between 2006 and 2016, was performed...
December 15, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29243681/conservative-management-of-large-mandibular-dentigerous-cysts-with-a-novel-approach-for-follow-up-two-case-reports
#19
Ieva Gendviliene, Paul Legrand, Laura Ferreira Pinheiro Nicolielo, Deepti Sinha, Yannick Spaey, Constantinus Politis, Reinhilde Jacobs
BACKGROUND: Dentigerous cysts are odontogenic cysts of the jaws accounting for approximately 24% of all epithelium-lined jaw cysts. Rarely, these cysts can become extremely large causing additional symptoms, while challenging treatment. This article represents a novel approach for radiological treatment follow up of large dentigerous cysts. MATERIAL AND METHODS: Dentigerous cysts were treated by marsupialization, using dedicated obturators and enucleation of the cyst afterwards...
2017: Stomatologija
https://www.readbyqxmd.com/read/29243488/comparison-and-optimisation-of-imaging-techniques-in-suspected-physical-abuse-paediatric-radiography
#20
Jodie R Hampel, Ana Pascoal
OBJECTIVE: This study compares protocols in clinical use for paediatric Suspected Physical Abuse (SPA) radiographic imaging across four NHS Trusts in the UK. The patient dose delivered from a SPA skeletal survey was compared between two sites using different imaging technology. Additionally, the technique in use for the abdomen Anterior-Posterior (AP) radiographic projection was optimised at one of the participant sites. METHODS: Retrospective data collection was performed to compare SPA protocols...
December 15, 2017: British Journal of Radiology
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