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https://www.readbyqxmd.com/read/28538289/a-three-dimensional-analysis-of-the-fracture-planes-in-pediatric-lateral-humeral-condyle-fractures-for-image-based-pin-positioning-during-fixation
#1
Do Young Park, Jae Ho Cho, Doo-Hyung Lee, Wan-Sun Choi, Jun Young Bang, Xiang Yun Yin
OBJECTIVE: To determine the 3 dimensional morphology of pediatric lateral condylar physeal fractures using 3-dimensional computed tomography (3D-CT) and to identify optimal pin positions for percutaneous pinning. DESIGN: Prospective case series of consecutively treated patients SETTING:: Tertiary university hospital setting. PATIENTS: Preoperative 3D-CTs in pediatric surgical candidates diagnosed with lateral condylar physeal fractures INTERVENTION:: Closed reduction and percutaneous pinning was performed...
May 17, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28529660/biomechanical-considerations-in-slipped-capital-femoral-epiphysis-and-insights-into-prophylactic-fixation
#2
E Leblanc, J M Bellemore, T Cheng, D G Little, O Birke
PURPOSE: Slipped capital femoral epiphysis (SCFE) is a deformity of the proximal femur secondary to widened and unstable physis. In stabilising the slip, gold standard treatments stop growth and involve premature physeal closure, which prevents the remodelling of the acquired deformity and creates a leg length discrepancy that may be significant in younger patients. METHODS: We measured the impact of placing threaded screws across the proximal femoral physis by measuring the centre-trochanteric distance (CTD) and articulo-trochanteric distance (ATD) in participants with or without prophylactic fixation...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28509827/leptin-elevation-as-a-risk-factor-for-slipped-capital-femoral-epiphysis-independent-of-obesity-status
#3
Schuyler J Halverson, Tracy Warhoover, Gregory A Mencio, Steven A Lovejoy, Jeffrey E Martus, Jonathan G Schoenecker
BACKGROUND: Slipped capital femoral epiphysis (SCFE) is strongly associated with childhood obesity, yet the prevalence of obesity is orders of magnitude greater than the prevalence of SCFE. Therefore, it is hypothesized that obesity is not, by itself, a sufficient condition for SCFE, but rather one component of a multifactorial process requiring preexisting physeal pathology. Leptin elevation is seen to varying degrees in patients with obesity, and as leptin has been shown to cause physeal pathology similar to the changes seen in SCFE, we propose that leptin may be a factor distinguishing between patients with SCFE and equally obese children without hip abnormalities...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28506249/an-unusual-case-of-proximal-humeral-simple-bone-cyst-in-an-adult-from-secondary-cystic-change
#4
Mamer S Rosario, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Hiroaki Kimura, Shinji Miwa, Takashi Higuchi, Hiroyuki Inatani, Kensaku Abe, Yuta Taniguchi, Hisaki Aiba, Hiroyuki Tsuchiya
BACKGROUND: Simple bone cysts (SBC) have been documented to occur in adults with closed physeal plates, most commonly affecting the calcaneus in this patient subset. Although most authors theorize an association to trauma, etiology of simple bone cysts remains an enigma up to now. CASE PRESENTATION: A 26-year-old kickboxing coach sought consult for a painful right shoulder which on radiographs and magnetic resonance (MR) imaging showed a proximal humeral lesion with signs of ossification...
May 15, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28473935/surgical-fixation-of-bilateral-simultaneous-avulsion-fractures-of-the-proximal-tibia-in-a-12-year-old-with-history-of-conservatively-managed-unilateral-tibial-avulsion-fracture
#5
Christopher Newman, Dharsh Musiienko, Samuel Law
Fractures of the proximal tibial epiphysis are rare, representing less than 3% of all epiphyseal and 1% of all physeal injuries in adolescents. Bilateral injuries are extremely rare. The specific anatomical and histological features of the proximal tibial epiphysis make it vulnerable to a specific fracture pattern that occurs when the tensile force of the quadriceps is greater than the fibrocartilaginous tissue underlying the tibial tuberosity. We report the first case to our knowledge of a 12-year-old boy who sustained simultaneous bilateral tibial avulsion fractures on the background of a previous conservatively managed unilateral tibial tuberosity avulsion fracture...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28444758/intraoperative-use-of-a-transarticular-circular-fixator-construct-to-facilitate-reduction-and-stabilisation-of-a-proximal-tibial-physeal-fracture-in-a-dog
#6
M D Johnson, D D Lewis, M D Winter
CASE REPORT: A 4-month-old female intact American Pit Bull Terrier was presented for right pelvic limb lameness 1 day after the dog had been hit by an all-terrain vehicle. Orthogonal radiographs of the right stifle revealed a Salter-Harris type IV fracture through the proximal tibial physis extending caudodistally through the proximal tibial metaphysis. The distal tibia was markedly displaced cranially, laterally and proximally, resulting in complete overriding of the fracture segments...
May 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28439307/fluoroscopic-imaging-overestimates-the-screw-tip-to-subchondral-bone-distance-in-a-cadaveric-model-of-slipped-capital-femoral-epiphysis
#7
M J Heffernan, B Snyder, H Zhou, X Li
PURPOSE: Intra-operative imaging plays a key role in screw placement for slipped capital femoral epiphysis (SCFE). Complications have been associated with inadequate screw position. The purpose of this study was to evaluate computed tomography (CT) (3D fluoroscopy) and standard fluoroscopy (C-arm) images as compared with direct anatomic measurement to determine final screw position in a cadaveric SCFE model. METHODS: Osteotomy with pinning was performed at the physeal scar in ten cadaveric hips...
2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28403653/congenital-pseudoarthrosis-of-the-distal-radius-treated-with-physeal-sparing-double-barrel-vascularized-free-fibula-transfer-a-case-report
#8
David Y Ding, Joey LaMartina, Chau Tai, Nirav K Pandya
BACKGROUND: Neurofibromatosis type 1 is a hereditary disease that can lead to pseudoarthrosis of various long bones. Rarely, pseudoarthrosis affects the forearm, and to the best of our knowledge, this is the first reported case of pseudarthrosis of the distal radius treated by this unique method. METHODS: We present a case of a 7-year-old male who underwent multiple operations to treat pseudoarthrosis of the distal radius. RESULTS: After failed conservative and operative fixation augmented with autologous iliac crest bone grafting, the patient underwent a successful double-barrel vascularized free fibula graft while preserving the physis of the distal radius...
April 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28396049/acquired-femoral-flexion-deformity-due-to-physeal-injury-during-medial-patellofemoral-ligament-reconstruction
#9
Gerd Seitlinger, Philipp Moroder, Christian Fink, Guido Wierer
BACKGROUND: Reconstruction of the medial patellofemoral ligament (MPFL) is the most frequent surgical procedure performed in patients with patellar instability. Recently, concerns regarding physeal injury during femoral tunnel placement for anatomical MPFL reconstruction in children have been discussed. METHODS: This is the first case to report partial posterior physeal growth arrest and subsequent flexion deformity of the distal femur after MPFL reconstruction in a skeletally immature patient...
April 7, 2017: Knee
https://www.readbyqxmd.com/read/28383417/short-double-elastic-nailing-of-severely-displaced-distal-pediatric-radial-fractures-a-new-method-for-stable-fixation
#10
Marcell Varga, Gergő Józsa, Balázs Fadgyas, Tamás Kassai, Antal Renner
RATIONALE: Short double elastic nailing is a minimal invasive, modified ESIN (elastic stable intramedullary nailing) technique for severely displaced distal radial fracture in children. The aim of this technical report is to introduce our new method and evaluate the final results of the procedure. PATIENT CONCERNS: We reviewed retrospectively 24 patients who underwent short double elastic nailing due to distal radial fractures between November 2012 and December 2015...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28382187/ultrasonographic-diagnosis-of-slipped-capital-femoral-epiphysis
#11
Manikandan Palaniappan, Venkatraman Indiran, Prabakaran Maduraimuthu
BACKGROUND: Slipped capital femoral epiphysis (SCFE), a fracture through the physis with resultant slip of the epiphysis, is the most common hip abnormality in adolescents and is a major cause of early osteoarthritis. Plain radiograph is the initial modality used to evaluate patients with painful hip joints. Ultrasonography and magnetic resonance imaging (MRI), which do not involve radiation exposure, have also been used. This case report supports the view that ultrasound can be used as an initial, cost-effective and radiation-free modality for the evaluation of suspected SCFE...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28376474/magnetic-resonance-imaging-features-as-surrogate-markers-of-x-linked-hypophosphatemic-rickets-activity
#12
Marta Lempicki, Anya Rothenbuhler, Valérie Merzoug, Stéphanie Franchi-Abella, Catherine Chaussain, Catherine Adamsbaum, Agnès Linglart
OBJECTIVE: X-linked hypophosphatemic rickets (XLH) is the most common form of inheritable rickets. Rickets treatment is monitored by assessing alkaline phosphatase (ALP) levels, clinical features, and radiographs. Our objectives were to describe the magnetic resonance imaging (MRI) features of XLH and to assess correlations with disease activity. STUDY DESIGN: Twenty-seven XLH patients (median age 9.2 years) were included in this prospective single-center observational study...
April 3, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28361185/assessment-of-pharmacokinetics-for-microvessel-proliferation-by-dce-mri-for-early-detection-of-physeal-bone-bridge-formation-in-an-animal-model
#13
Bernhard Neumayer, Eva Amerstorfer, Clemens Diwoky, Richard A Lindtner, Elisabeth Wadl, Eva Scheurer, Annelie-Martina Weinberg, Rudolf Stollberger
OBJECTIVES: Bone bridge formation occurs after physeal lesions and can lead to growth arrest if not reversed. Previous investigations on the underlying mechanisms of this formation used histological methods. Therefore, this study aimed to apply a minimally invasive method using dynamic contrast-enhanced MRI (DCE-MRI). MATERIALS AND METHODS: Changes in functional parameters related to the microvessel system were assessed in a longitudinal study of a cohort of an animal model applying a reference region model...
March 30, 2017: Magma
https://www.readbyqxmd.com/read/28359640/headless-compression-screw-versus-kirschner-wire-fixation-for-metacarpal-neck-fractures-a-biomechanical-study
#14
Daniel M Avery, Stephen Klinge, Felix Dyrna, Leo Pauzenberger, David Lam, Mark Cote, Jessica DiVenere, Elifho Obopilwe, Augustus Mazzocca, Craig Rodner
PURPOSE: This study aimed to determine the biomechanical stability of headless compression screws in the fixation of metacarpal neck fractures and to compare them with another common, less invasive form of fixation, K-wires. The hypothesis was that headless compression screws would show higher stiffness and peak load to failure than K-wire fixation. METHODS: Eight matched-paired hands (n = 31), using the ring and little finger metacarpals, had metacarpal fractures simulated at the physeal scar...
May 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28355677/imaging-of-the-pediatric-knee
#15
Jessica R Leschied, Kara Gaetke Udager
The knee joint is commonly injured in the young athlete. This article discusses the common injury patterns around the knee that are unique to this patient population. Pediatric patients have relative weak points at their physes and apophyses that result in different forces on ligaments and bones during injury compared with adults. Common pathologic findings seen on imaging include patellar and patellar tendon injury, physeal fractures, osteochondral abnormality, ligament tears, and meniscal injury. Imaging studies are also performed to evaluate pediatric patients after surgical knee injury repair, and radiologists should be familiar with certain pediatric-specific knee repair techniques and their imaging appearances...
April 2017: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/28336043/pediatric-septic-arthritis
#16
REVIEW
Nicole I Montgomery, Howard R Epps
Acute septic arthritis is a condition with the potential for joint destruction, physeal damage, and osteonecrosis, which warrants urgent identification and treatment. The organism most frequently responsible is Staphylococcus aureus; however, our understanding of pathogens continues to evolve as detection methods continue to improve. MRI has improved our ability to detect concurrent infections and is a useful clinical tool where available. The treatment course involves intravenous antibiotics followed by transition to oral antibiotics when clinically appropriate...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28328566/physeal-and-subphyseal-distraction-osteogenesis-in-atrophic-type-congenital-pseudarthrosis-of-the-tibia-efficacy-and-safety
#17
Woo Young Jang, Yoon Hyo Choi, Moon Seok Park, Won Joon Yoo, Tae-Joon Cho, In Ho Choi
PURPOSE: To examine the efficacy, safety, and clinical outcomes of distraction osteogenesis through the physis (PDO) or through subphyseal osteotomy (SPDO) in patients with atrophic-type congenital pseudarthrosis of tibia with proximal tibial dysplasia. METHODS: To validate the efficacy and safety of PDO and SPDO, radiographic and clinical parameters were compared between 5 patients who underwent proximal tibial metaphyseal or metadiaphyseal lengthening as a control (group 1) and 7 patients who underwent PDO or SPDO (group 2)...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28243175/frequency-of-wrist-growth-plate-injury-in-young-gymnasts-at-a-training-center
#18
María Roxana Viamont Guerra, Jose Renato Depari Estelles, Yussef Ali Abdouni, Diego Figueira Falcochio, Joao Roberto Polydoro Rosa, Liane Hulle Catani
OBJECTIVE: To assess the frequency of physeal injuries and wrist pain in young competitive gymnasts according to their training characteristics . METHODS: This is a cross-sectional study (January-June 2015) of a male gymnastics team in São Paulo, SP, Brazil. Nineteen gymnasts, mean age 13.3 years, were evaluated in three ways: a questionnaire, physical examination and radiographs . RESULTS: On average, they trained since 6 years-old and during hours per week...
July 2016: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28222650/is-surgery-always-indicated-in-rachitic-coronal-knee-deformities-our-experience-in-198-knees
#19
Jatin Prakash, Anil Mehtani, Alok Sud, Baccha K Reddy
INTRODUCTION: Defective mineralization of osteoid matrix prior to physeal closure causes rickets. Poor calcification of the cartilage matrix in the zone of provisional calcification causes flattened skull, rachitic rosary, bowed legs, coxa vara and brittle bones. The recent literature has seen an increase in the incidence of the disease in both developing and developed nations. We evaluated behaviour of lower limb deformities due to nutritional rickets in 117 patients. MATERIALS AND METHODS: A prospective study was conducted from January 2009 to December 2011 for clinical and radiological evaluation of knee deformities in nutritional rickets...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28214061/open-physeal-fracture-of-the-distal-phalanx-of-the-hallux-case-study-diagnosis-and-management
#20
Brandon Morris, Scott Mullen, Paul Schroeppel, Bryan Vopat
Open physeal fractures of the distal phalanx of the hallux are the lesser described counterpart to the same fracture of the finger, known by its eponym as a "Seymour fracture". Displaced Salter-Harris phalangeal fractures present with a concomitant nailbed or soft tissue injury. Often these fractures occur in the summer months when open-toe footwear can be worn, however, they may occur indoors as well. Frequently, the injury results from direct axial load of the toe, or "stubbing", which causes the fracture and associated soft tissue injury...
February 6, 2017: American Journal of Emergency Medicine
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