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https://www.readbyqxmd.com/read/27902175/spontaneous-and-bilateral-avascular-necrosis-of-the-navicula-m%C3%A3-ller-weiss-disease
#1
Erdem Aktaş, Tacettin Ayanoğlu, Yasin Hatipoğlu, Ulunay Kanatlı
Although, trauma, foot deformity (pesplanovalgus), systemic diseases such as diabetes mellitus and lupus, drugs (steroids, antineoplastic) and excessive alcohol consumption have all been accused in the etiology of avascular necrosis of the tarsal bones, spontaneous avascular necrosis of the navicular bone, especially in adults, is a rare entity. In this article, we report a 50-year-old female patient with bilateral, spontaneous avascular necrosis of the navicular bone and related severe talonavicular arthrosis...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27842935/surgical-treatment-results-for-flexible-flatfoot-in-adolescents
#2
Necip Selcuk Yontar, Tahir Ogut, Mehmet Fatih Guven, Huseyin Botanlioglu, Gokhan Kaynak, Ata Can
OBJECTIVE: Idiopathic flexible pes planus (IFPP) is a common foot problem in adolescents and young adults. Hypothesis for the present study was that combination of procedures for IFPP can achieve results in adolescents and young adults that are as good as those seen in adult-acquired pes planovalgus (AAPP) treatment in adults. METHODS: A total of 21 feet of 18 patients (10 boys, 8 girls) with mean age of 15.6 years underwent surgical reconstruction for flatfoot deformity...
November 11, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27835043/risk-factors-for-medial-tibial-stress-syndrome-in-active-individuals-an-evidence-based-review
#3
Zachary K Winkelmann, Dustin Anderson, Kenneth E Games, Lindsey E Eberman
: Reference/Citation: Hamstra-Wright KL, Bliven KC, Bay C. Risk factors for medial tibial stress syndrome in physically active individuals such as runners and military personnel: a systematic review and meta-analysis. Br J Sports Med. 2015;49(6)362-369. CLINICAL QUESTION:  What factors put physically active individuals at risk to develop medial tibial stress syndrome (MTSS)? DATA SOURCES:  The authors performed a literature search of CINAHL, the Cochrane Central Register of Controlled Trials, EMBASE, and MEDLINE from each database's inception to July 2013...
November 1, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27807730/longitudinal-radiographic-behavior-of-accessory-navicular-in-pediatric-patients
#4
Derrick M Knapik, Sahejmeet S Guraya, Keegan T Conry, Daniel R Cooperman, Raymond W Liu
BACKGROUND: An accessory navicular is generally asymptomatic and discovered incidentally on radiographs. The natural history of an accessory navicular in the pediatric population is largely undescribed. METHODS: The medical charts of 261 pediatric subjects undergoing 2620 annual unilateral radiographs of the foot and ankle (age range 0.25-7 years at enrollment) were reviewed. Radiographs were examined to determine the incidence of accessory navicular, with focus on the age at appearance and, if present, the age at fusion...
November 2, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27776669/spring-ligament-complex-illustrated-normal-anatomy-and-spectrum-of-pathologies-on-3t-mr-imaging
#5
Hythem Omar, Vikram Saini, Vibhor Wadhwa, George Liu, Avneesh Chhabra
The spring (plantar calcaneonavicular) ligament complex connects the calcaneus and navicular bone of the foot and serves as the primary static stabilizer of the medial longitudinal arch of the foot. In this article, we describe the normal anatomy of the spring ligament complex, illustrate 3T magnetic resonance imaging appearances in its normal and abnormal states, and discuss the pathological associations with relevant case examples.
November 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27736722/the-use-of-a-static-measure-to-predict-foot-posture-at-midstance-during-walking
#6
Thomas G McPoil, Jessica Ford, Joel Fundaun, Chelsea Gallegos, Andrew Kinney, Peter McMillan, Jessica Murphy, Elliot Sky, Derrick Torba, Michael Bade
Previous studies have successfully used the longitudinal arch angle (LAA) to assess foot posture, but the measurement consistency and ability of the LAA to predict dynamic foot posture during activity in a variety of foot types have not been evaluated. The purpose of this study was to determine the reliability of the LAA as well as if the clinical method of assessing the LAA could be used to predict the LAA at midstance during walking for supinated, normal, and pronated foot types. The Arch Height Ratio was used to select 35 participants with 12 supinated, 46 normal, and 12 pronated feet...
September 20, 2016: Foot
https://www.readbyqxmd.com/read/27735080/reconstruction-of-midfoot-bone-and-soft-tissue-loss-with-chimeric-partial-scapula-and-latissimus-dorsi-muscle-flap-and-short-perforator-based-skin-flap-following-gunshot-injuries-report-of-two-cases
#7
Arzu Ozcan Akcal, Kerim Ünal, Tahsin Gorgulu, Mehmet Akif Akcal, Zekiye Bigat
In this report we present two cases of gunshot injury related midfoot defects, reconstructed with a chimeric partial scapula and latissimus dorsi muscle flap and short perforator-based skin flap. The first case, a 14 years old male, had 10 × 8 cm medial plantar and 6 × 4 cm dorsal foot defects and the second case, a 55 years old female, had only 8 × 6 cm dorsal foot defect. In both cases the defects were associated with fractures, one with lateral cuneiform and cuboid with 90% bone loss and the other with navicular bone, respectively...
October 2016: Microsurgery
https://www.readbyqxmd.com/read/27729482/medial-tibial-stress-syndrome-in-active-individuals-a-systematic-review-and-meta-analysis-of-risk-factors
#8
Mark F Reinking, Tricia M Austin, Randy R Richter, Mary M Krieger
CONTEXT: Medial tibial stress syndrome (MTSS) is a common condition in active individuals and presents as diffuse pain along the posteromedial border of the tibia. OBJECTIVE: To use cross-sectional, case-control, and cohort studies to identify significant MTSS risk factors. DATA SOURCES: Bibliographic databases (PubMed, Scopus, CINAHL, SPORTDiscus, EMBASE, EBM Reviews, PEDRo), grey literature, electronic search of full text of journals, manual review of reference lists, and automatically executed PubMed MTSS searches were utilized...
October 11, 2016: Sports Health
https://www.readbyqxmd.com/read/27718385/tuberculosis-around-the-tarsal-navicular-a-rare-entity
#9
Vipul Vijay, Nishint Gupta, Raju Vaishya
Osteoarticular TB around the tarsal navicular is a chronic, uncommon condition affecting the midfoot, which causes significant morbidity to the patient. Tuberculosis around the tarsal navicular is rarely described in the literature. A series of three cases - two involving the talo-navicular joint and one involving the naviculo-cuneiform joint is described. Biopsy was used in all the cases for achieving diagnosis. All patients had good to fair outcome following medical management with anti-tubercular therapy...
August 2016: Foot
https://www.readbyqxmd.com/read/27709243/-anatomy-and-biomechanics-of-the-scaphoid
#10
M F Langer, S Oeckenpöhler, S Breiter, D Wähnert, B Wieskötter
The scaphoid is biomechanically and clinically of great importance for function of the wrist. In the literature, its anatomy and biomechanics are clearly underrepresented as well as underestimated. In the following review the scaphoid will be presented in more detail, according to recent information and findings. Not only will the origin of the name and the history of previous names, such as cotyloid or navicular, be introduced, but also for the first time in medical literature the significant phylogeny and ontogeny of the scaphoid will be shown...
October 5, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27707564/a-systematic-review-and-meta-analysis-examining-the%C3%A2-differences-between-nonsurgical-management-and%C3%A2-percutaneous-fixation-of-minimally-and-nondisplaced-scaphoid-fractures
#11
Hassan Alnaeem, Salah Aldekhayel, Johnathan Kanevsky, Omar Fouda Neel
PURPOSE: The optimal management of undisplaced scaphoid fractures remains controversial. A systematic review was conducted to assess the outcomes of acute, undisplaced scaphoid fractures managed with cast immobilization versus percutaneous or miniopen screw fixation in terms of time to return to work (RTW), time to union, and morbidity. METHODS: PubMed MEDLINE, Ovid MEDLINE, EMBASE, SCOPUS, and Cochrane electronic databases were searched over the period 1974 to 2015...
October 1, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27699910/positron-emission-tomography-of-the-equine-distal-limb-exploratory-study
#12
Mathieu Spriet, Pablo Espinosa, Andre Z Kyme, Pavel Stepanov, Val Zavarzin, Stephen Schaeffer, Scott A Katzman, Larry D Galuppo, David Beylin
Positron emission tomography (PET) is a highly sensitive, noninvasive imaging technique for quantifying biological functions of tissues. However, at the time of this study, PET imaging applications had not been reported in the horse. The aim of this exploratory study was to determine whether a portable high-resolution PET scanner could be used to image the equine distal limb. Images of the front feet and fetlocks of three research horses, with known lesions localized to the distal front limbs, were acquired under general anesthesia after administration of (18) F-fluorodeoxyglucose ((18) F-FDG), with doses ranging from 1...
October 4, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27684301/reliability-of-a-seven-segment-foot-model-with-medial-and-lateral-midfoot-and-forefoot-segments-during-walking-gait
#13
Stephen C Cobb, Mukta N Joshi, Robin L Pomeroy
In-vitro and invasive in-vivo studies have reported relatively independent motion in the medial and lateral forefoot segments during gait. However, most current surface-based models have not defined medial and lateral forefoot or midfoot segments. The purpose of the current study was to determine the reliability of a seven segment foot model that includes medial and lateral midfoot and forefoot segments during walking gait. Three-dimensional positions of marker clusters located on the leg and six foot segments were tracked as ten participants completed five walking trials...
September 29, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27677235/-stress-fracture-or-osteochondral-lesion-of-the-navicular-bone
#14
W Eraly, J Mertens, F Vanhoenacker, K Peers
BACKGROUND: An osteochondral lesion of the navicular bone in the foot is rare. Differentiation from a stress fracture is difficult, since both lesions usually present as vague pain in the midfoot in active young adults. However, the typical location differs. SPECT-CT allows an etiological diagnosis to be made. As management differs for the two lesions, a correct diagnosis is important. CASE DESCRIPTION: A 19-year-old male athlete had pain in the dorsal right midfoot on weight-bearing...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27661622/surgical-treatment-of-the-accessory-navicular-os-tibiale-externum-in-dancers-a-retrospective-case-series
#15
A B M Boni Rietveld, Willemijn M Diemer
This study is to draw attention to a relatively common anatomical anomaly and its possible operative treatment in dancers. The accessory navicular, or os tibiale externum, is an accessory bone on the medial side of the navicular of the foot at the insertion of the posterior tibial tendon (PTT). It can cause obvious hyperpronation, medial foot pain, and a limited and painful relevé in dancers. To the best of our knowledge, this is the first report on the operative treatment of the accessory navicular exclusively in dancers...
2016: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/27635862/early-subchondral-bone-loss-at-arthritis-onset-predicted-late-arthritis-severity-in-a-rat-arthritis-model
#16
Guillaume Courbon, Damien Cleret, Marie-Thérèse Linossier, Laurence Vico, Hubert Marotte
Synovitis is usually observed before loss of articular function in rheumatoid arthritis (RA). In addition to the synovium and according to the "Inside-Outside" theory, bone compartment is also involved in RA pathogenesis. Then, we investigated time dependent articular bone loss and prediction of early bone loss to late arthritis severity on the rat adjuvant-induced arthritis (AIA) model. Lewis female rats were longitudinally monitored from arthritis induction (day 0), with early (day 10) and late (day 17) steps...
September 16, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27622754/sex-estimation-from-the-navicular-bone-in-spanish-contemporary-skeletal-collections
#17
Eduardo Saldías, Assumpció Malgosa, Xavier Jordana, Albert Isidro
Sexual estimation is fundamental to reconstruct the biological profile of individuals, but postdepositional factors can alter the resistance of the bones, thereby preventing accurate diagnosis especially when the skull and the pelvis are absent. Navicular bones are usually well preserved in archeological and forensic contexts and can a good alternative to discriminate sex. On the basis of these aspects, the present investigation analyzed the sexual dimorphism in 231 pairs of navicular bones from documented contemporary collections from Spain...
October 2016: Forensic Science International
https://www.readbyqxmd.com/read/27605662/an-unusual-presentation-of-arteriovenous-malformation-as-an-erosive-midfoot-lesion
#18
Hasan Raza Mohammad, Waqar Bhatti, Anand Pillai
Erosive bony lesions are radiographic findings where localized bone resorption and cortical line breakage occurs. One less common cause of bone erosions is arteriovenous malformations (AVMs). This should always be included in the differentials for foot pain.A 33-year-old gentleman presented with a 5-year history of chronic left foot pain. Clinical examination was unremarkable. Magnetic resonance imaging (MRI) and computerized tomography demonstrated erosive bone changes in the navicular, the intermediate and lateral cuneiforms bones and their corresponding metatarsal bases...
2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/27588043/can-positional-mri-predict-dynamic-changes-in-the-medial-plantar-arch-an-exploratory-pilot-study
#19
Finn Johannsen, Philip Hansen, Sandra Stallknecht, Michael Skovdal Rathleff, Stine Hangaard, Janus Damm Nybing, Mikael Boesen
BACKGROUND: Positional MRI (pMRI) allows for three-dimensional visual assessment of navicular position. In this exploratory pilot study pMRI was validated against a stretch sensor device, which measures movement of the medial plantar arch. We hypothesized that a combined pMRI measure incorporating both vertical and medial displacement of the navicular bone induced by loading would be correlated with corresponding stretch sensor measurements. METHODS: 10 voluntary participants were included in the study...
2016: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/27472719/autograft-versus-sterilized-allograft-for-lateral-calcaneal-lengthening-osteotomies-comparison-of-50-patients
#20
Sebastian A Müller, Alexej Barg, Patrick Vavken, Victor Valderrabano, Andreas M Müller
Sterilized allografts may be less resistant to collapse and prone to nonunion leading to loss of correction in open wedge osteotomies. These adverse events usually occur at early time points (i.e., < 9 months postoperatively). The goal of this study was to compare sterilized allografts to autologous grafts in respect to secondary loss of hindfoot alignment and graft incorporation after lateral calcaneal lengthening osteotomies.Fifty patients (22 F/ 28 M, age: 16-69 years) who had undergone 50 lateral calcaneal lengthening osteotomies for adult flatfoot deformity were included in this retrospective study...
July 2016: Medicine (Baltimore)
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