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https://www.readbyqxmd.com/read/28639852/osteochondritis-dissecans-etiology-pathology-and-imaging-with-a-special-focus-on-the-knee-joint
#1
Juergen Bruns, Mathias Werner, Christian Habermann
This article is a review of the current understanding of the etiology, pathogenesis, and how to diagnose and treat knee osteochondritis dissecans (OCD) followed by an analysis of and outcomes of the treatments available. OCD is seen in children and adolescents with open growth plates (juvenile OCD) and adults with closed growth plates (adult OCD). The etiology of OCD lesions remains unclear and is characterized by an aseptic necrosis in the subchondral bone area. Mechanical factors seem to play an important role...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28633789/displaced-salter-harris-type-i-distal-fibula-fractures-two-case-reports-and-a-review-of-the-literature
#2
Jeremy Korsh, Stephen Adolfsen
Salter-Harris type I (SH-I) fractures of the distal fibula are commonly encountered in pediatric orthopedics. We describe 2 unique cases of adolescents with completely displaced SH-I distal fibula fractures that were treated operatively. In the first case, a closed reduction attempt failed and the patient required open reduction and internal fixation of the distal fibula and syndesmosis. The syndesmotic ligaments were avulsed from the distal fibular metaphysis. In the second case, closed reduction of the distal fibula fracture was partially successful, but anatomic reduction could not be achieved without open reduction...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28590374/return-to-sport-after-pediatric-anterior-cruciate-ligament-reconstruction-and-its-effect-on-subsequent-anterior-cruciate-ligament-injury
#3
Travis J Dekker, Jonathan A Godin, Kevin M Dale, William E Garrett, Dean C Taylor, Jonathan C Riboh
BACKGROUND: Anterior cruciate ligament (ACL) graft failure and contralateral ACL tears are more frequent in children and adolescents than adults. The reasons for higher subsequent injury rates in this population are incompletely understood. METHODS: We analyzed a continuous cohort of patients who were <18 years of age. Subjects underwent isolated, primary ACL reconstruction with autograft between 2006 and January 1, 2014, and had a minimum 2-year follow-up. Return-to-sport characteristics were described, and multivariable Cox regression modeling was used to identify predictors of a second ACL injury...
June 7, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28538286/any-cortical-bridging-predicts-healing-of-supracondylar-femur-fractures-after-treatment-with-locked-plating
#4
Patrick K Strotman, Madhav A Karunakar, Rachel Seymour, William D Lack
OBJECTIVES: To determine the accuracy and reliability of radiographic cortical bridging criteria in predicting the final healing of supracondylar femur fractures after treatment with locked plating. DESIGN: Retrospective review SETTING:: Two level 1 trauma centers PATIENTS/PARTICIPANTS:: We retrospectively reviewed the records at two level 1 trauma centers for patients who presented with supracondylar femur fractures (AO/OTA 33A, C) and were treated with locking plate fixation between 1/1/2004 and 1/1/2011...
May 17, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28506249/an-unusual-case-of-proximal-humeral-simple-bone-cyst-in-an-adult-from-secondary-cystic-change
#5
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/28455719/valgus-slipped-capital-femoral-epiphysis-with-contralateral-pre-slip
#6
Dana E Amiraian, Zahir Sarwar, William R Bireley, Elizabeth Moran
Slipped capital femoral epiphysis (SCFE) is a common hip disorder in older children and adolescents, classically with medial and posterior slippage of the proximal femoral epiphysis. However, valgus SCFE is a very rare entity, where the proximal femoral epiphysis slips laterally and posteriorly. To our knowledge, valgus SCFE with magnetic resonance imaging (MRI) features of contralateral pre-slip has not yet been reported. We present a case of a 9 year old girl with symptomatic valgus SCFE on the left and asymptomatic contralateral pre-slip on the right with concurrent radiographic, sonographic, and MRI findings...
April 28, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28355677/imaging-of-the-pediatric-knee
#7
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/28302429/does-bony-regrowth-occur-after-arthroscopic-femoroplasty-in-a-group-of-young-adolescents
#8
Itay Perets, Asheesh Gupta, Edwin O Chaharbakhshi, Lyall Ashberg, David E Hartigan, Mary R Close, Benjamin G Domb
PURPOSE: To evaluate femoral head-neck bone regrowth and PROs in skeletally immature patients that underwent arthroscopic femoroplasties over a minimum 2-year period. METHODS: Eleven skeletally immature hips (10 patients) with open femoral head physes underwent femoroplasty between October 2008 and November 2013. Inclusion criteria were minimum 2-year follow-up with patient-reported outcomes (PROs) and radiographs preoperatively, at 2 weeks, and at a minimum of 2 years postoperatively...
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28288078/idiopathic-genu-valgum-and-its-association-with-obesity-in-children-and-adolescents
#9
Janet L Walker, Pooya Hosseinzadeh, Hank White, Kevin Murr, Todd A Milbrandt, Vishwas J Talwalkar, Henry Iwinski, Ryan Muchow
BACKGROUND: Obesity as a cause of lower extremity deformity in children has been well established. This deformity is most often seen as tibia vara, however, at our institution we have observed more obese children and adolescents over age 7 years with excessive or progressive idiopathic genu valgum. Our hypothesis is that children with idiopathic genu valgum have high rates of obesity which impact the severity of their disease. METHODS: Retrospective review of existing data was performed on 66 consecutive children/112 limbs over age 7 years with idiopathic genu valgum, seen from 2010 to 2013...
March 10, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28188335/posterior-cruciate-ligament-reconstruction-in-skeletal-immature-children
#10
Ole Gade Sørensen, Peter Faunø, Svend Erik Christiansen, Martin Lind
PURPOSE: Rupture of the posterior cruciate ligament (PCL) is a rare knee injury in children with open growth plates. The follow-up results of six patients with open physes treated with PCL reconstruction are presented. The objective is to evaluate the clinical outcomes of PCL reconstruction for six skeletally immature patients. METHODS: Between 2006 and 2010, six skeletally immature patients were treated with PCL reconstruction. At the time of surgery, the median age was 9 years (range 6-14)...
February 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28184364/tibial-lengthening-using-a-fixator-assisted-lengthening-plate-a-new-technique
#11
Haci Bayram Tosun, Ismail Agir, Seyitali Gumustas, Sancar Serbest, Abuzer Uludag, Suat Celik
BACKGROUND: There are many techniques that are used for limb lengthening. Lengthening a limb over a plate is an alternative choice used in children or when using an intramedullary nail is difficult. OBJECTIVES: In this study, we presented a new technique for tibial lengthening using a monolateral external fixator over a lengthening plate. MATERIALS AND METHODS: For tibial lengthening, a monolateral external fixator was attached to the composite bone model medially...
November 2016: Trauma Monthly
https://www.readbyqxmd.com/read/28159425/magnetic-resonance-imaging-evaluation-of-physeal-violation-in-adolescents-after-transphyseal-anterior-cruciate-ligament-reconstruction
#12
Joon-Ho Wang, Kang-Min Son, Dae-Hee Lee
PURPOSE: To quantify and compare the amount and location of physis violation of the distal femur and proximal tibia after transphyseal anterior cruciate ligament (ACL) reconstruction in skeletally immature patients. METHODS: This study included 19 patients with open physes of the distal femur and proximal tibia who underwent ACL reconstruction with tibialis anterior allografts. Physeal tunnel volume and location on the growth plate, as well as obliquity to the growth plate, were measured by 3-dimensional postoperative magnetic resonance imaging of the distal femur and proximal tibia...
January 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28156202/diffusion-tensor-imaging-of-the-physes-a-possible-biomarker-for-skeletal-growth-experience-with-151-children
#13
Maria A Bedoya, Jorge Delgado, Jeffrey I Berman, Nancy A Chauvin, David Zurakowski, Raul Ramirez-Grueso, Aikaterini Ntoulia, Diego Jaramillo
Purpose To determine the changes of diffusion-tensor imaging (DTI) and tractography in the distal femur and proximal tibia related to age, sex, and height. Materials and Methods Following institutional review board approval, with waiver of consent and with HIPAA compliance, the authors retrospectively analyzed DTI images of the knee in 151 children, 73 girls (median age, 14.1 years; range, 6.5-17.8 years) and 78 boys (median age, 16.6 years; range, 6.9-17.9 years), studied from January 2013 to October 2014...
July 2017: Radiology
https://www.readbyqxmd.com/read/28139383/olecranon-physeal-nonunion-in-the-adolescent-athlete-identification-of-two-patterns
#14
Rachel M Frank, Brett A Lenart, Mark S Cohen
BACKGROUND: This study aimed to present the outcomes of patients undergoing surgical management of persistent, symptomatic olecranon physes. METHODS: Consecutive patients undergoing surgical management for symptomatic persistent olecranon physeal abnormalities were reviewed. Preoperative data, intraoperative findings, and postoperative clinical outcomes including physical examination findings, radiographs, complications, and reoperations were analyzed. RESULTS: A total of 13 elbows in 12 patients (100% male; average age, 18 ± 4 years) were identified...
January 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28116449/-treatment-of-femoral-shaft-fractures-in-children-and-adolescents-%C3%A2-50%C3%A2-kg-a%C3%A2-retrospective-multicenter-trial
#15
M Rapp, R Kraus, P Illing, D W Sommerfeldt, M M Kaiser
BACKGROUND: Operative treatment of diaphyseal fractures of the femur in older children and adolescents remains controversial due to multiple surgical options and higher complication rates in single-center studies compared to younger children. This retrospective multicenter study aimed to register early and late complications in day-by-day treatment. MATERIAL AND METHODS: Sixteen hospitals with particular expertise in pediatric orthopedic trauma participated in this study...
January 23, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28099199/chronic-lateral-epiphyseal-separation-of-the-proximal-tibia-causes-late-onset-tibia-vara
#16
Sachi Hasegawa, Hiroshi Kitoh, Masaki Matsushita, Kenichi Mishima, Izumi Kadono, Hiroshi Sugiura, Akiko Kitamura, Naoki Ishiguro
An adolescent obese boy showed late-onset unilateral tibia vara associated with physeal separation (slipped epiphysis) of the lateral proximal tibia and physeal widening of the lateral distal femur. These affected physes showed normal signal intensities by MRI. He was treated with lateral hemiepiphysiodesis of the left proximal tibia and the distal femur using two parallel eight-Plates, and varus deformity rapidly improved postoperatively without recurrence. This is the first case of late-onset tibia vara caused by lateral physeal separation of the proximal tibia...
January 17, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28031496/arthroscopic-transphyseal-anterior-cruciate-ligament-reconstruction-in-adolescent-athletes
#17
Luca Dei Giudici, Roberto Fabbrini, Luca Garro, Serena Arima, Antonio Gigante, Agostino Tucciarone
PURPOSE: To evaluate the 5-year outcome of arthroscopic transphyseal anterior cruciate ligament (ACL) reconstruction in 19 adolescent athletes. METHODS: 14 male and 5 female adolescent athletes aged 12 to 16 (mean, 13.9) years with Tanner stage 2 or 3 open physes underwent arthroscopic transphyseal ACL reconstruction by a single surgeon and were followed up for 5 years. Patients were evaluated using the numerical rating score (NRS) for pain, knee osteoarthritis outcome score (KOOS), International Knee Documentation Committee (IKDC) score, Tegner Activity Scale, and Lysholm Score, as well as the leg length discrepancy, femorotibial alignment, varus or valgus deformities, active and passive knee range of motion...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28005495/growth-plate-lesions-of-fattening-bulls
#18
M Levi, K E Dittmer, A Gentile, A Beltrame, M Bolcato, M Morgante, E Fiore, C Benazzi
Lameness related to growth plate lesions is an important problem in the beef industry. This article describes the macroscopic and microscopic lesions in the distal metatarsal physis of bulls from an association of farmers in northeastern Italy. The metatarsal bones of 62 bulls (12 with severe lameness and 50 without lameness), average age 16.44 ± 1.72 months, were examined at the abattoir. The animals came from the same geographic area and shared intensive husbandry practices and a diet based on maize starch...
May 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/27919119/-osteochondritis-dissecans-of-the-talus-a-critical-review
#19
J Bruns, C R Habermann, J P Petersen
The etiology remains unclear. Mechanical factors seem to play an important role. Most histologies report clefts between the cartilage and bone and necrotic areas. Several classifications have been published based on observations from imaging techniques or on intraoperative findings. Clinical symptoms are unspecific. Imaging techniques are of great importance: X-rays of the ankle joint enable a quick diagnostic overview. MRT is the imaging-technique of choice for diagnosing OCDT-lesions. Regarding treatment, a tremendous number of retrospective publications exist...
April 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27909133/the-use-of-the-distal-radius-and-ulna-classification-for-the-prediction-of-growth-peak-growth-spurt-and-growth-cessation
#20
J P Y Cheung, P W H Cheung, D Samartzis, K M C Cheung, K D K Luk
AIMS: We report the use of the distal radius and ulna (DRU) classification for the prediction of peak growth (PG) and growth cessation (GC) in 777 patients with idiopathic scoliosis. We compare this classification with other commonly used parameters of maturity. PATIENTS AND METHODS: The following data were extracted from the patients' records and radiographs: chronological age, body height (BH), arm span (AS), date of menarche, Risser sign, DRU grade and status of the phalangeal and metacarpal physes...
December 2016: Bone & Joint Journal
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