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https://www.readbyqxmd.com/read/28920787/calcinosis-circumscripta-in-a-cohort-of-related-juvenile-african-lions-panthera-leo
#1
Kendra L Bauer, Samantha J Sander, James C Steeil, Timothy F Walsh, Donald L Neiffer
Three juvenile, genetically related African lions (Panthera leo) were evaluated for discrete dome-shaped subcutaneous masses present over the proximal lateral metatarsal-tarsal area. The lesions measured 3-8 cm in diameter, were fluctuant to firm, nonulcerated, and attached to underlying structures. On radiographic evaluation, the lesions were characterized by well-circumscribed punctate mineralizations in the soft tissue surrounded by soft tissue swelling without evidence of adjacent bony involvement. On cut surface, the lesions were made of numerous loculi containing 2-5-mm round-to-ovoid, white-to-gray, firm structures interspersed with fibrous tissue and pockets of serosanguinous fluid...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28915360/risk-factors-for-reoperation-and-performance-based-outcomes-after-operative-fixation-of-foot-fractures-in-the-professional-athlete-a-cross-sport-analysis
#2
Sameer Singh, Kevin Larkin, Anish Kadakia, Wellington Hsu
BACKGROUND: Professional athletes are predisposed to fractures of the foot due to large stresses placed on the lower extremity. These players are concerned with efficiently returning to play at a high level. Return-to-play rates after operative treatment have been previously reported, yet performance outcomes after such treatment are generally unknown in this population. HYPOTHESIS: Overall, professional athletes sustaining a foot fracture would return to play at high rates with little impact on post-operative performance or league participation...
September 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28902682/the-influence-of-foot-strike-technique-on-the-neuromechanical-function-of-the-foot
#3
Luke A Kelly, Dominic J Farris, Glen A Lichtwark, Andrew G Cresswell
PURPOSE: The aim of this study was to investigate the influence of foot-strike technique on longitudinal arch mechanics and intrinsic foot muscle function during running. METHODS: 13 healthy participants ran barefoot on a force-instrumented treadmill at 2.8ms with a forefoot (FFS) and rear-foot (RFS, habitual) running technique, while kinetic, kinematic and electromyographic (EMG) data from the intrinsic foot muscles were collected simultaneously. The longitudinal arch was modeled as a single "mid-foot" joint representing motion of the rear-foot (calcaneus) relative to the forefoot (metatarsals)...
September 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28888393/hypertrophic-osteoarthropathy-in-a-young-adult-male-from-berber-sudan-2nd-3rd-century-ce
#4
M Binder, M Saad
Hypertrophic osteoarthropathy (HOA) is a pathological condition characterised by extensive periosteal new bone formation (NBF) on the diaphyses of the long bones, metacarpal and metatarsal bones. In modern clinical contexts, the secondary form of the disease is common and most often occurs secondary to intra-thoracic cancer and other forms of chronic pulmonary disease. Paleopathological evidence for HOA on the other hand has only occasionally been reported. Here we report a young adult male from the Meriotic cemetery at Berber in Sudan (2nd-3rd century CE) displaying widespread NBF on the diaphyses of the upper and lower limb bones, metacarpal and metatarsal bones, as well as the pelvis and scapulae...
September 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28883689/lateral-column-lengthening-for-adolescent-idiopathic-pes-planovalgus-deformity-systematic-review
#5
REVIEW
Sanjay Kumar, S V Sonanis
Pes planovalgus is the commonest foot deformity in children and presents with wide range of severity and symptoms. Surgery is mostly indicated for significant malalignment, resistant to non-surgical management. Lateral column lengthening is considered an appealing option as does not involve arthrodesis and allows for further growth and foot development. METHODS: We conducted a systematic review on lateral column lengthening for pes planovalgus deformity in line with PRISMA-P Checklist...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28880602/osteoid-osteoma-at-the-proximal-diaphysis-of-the-fifth-metatarsal
#6
Muhammet Baybars Ataoglu, Ali Kh Ali, Mustafa Ozer, Hüseyin Nevzat Topcu, Mehmet Cetinkaya, Gamze Kulduk
The foot is rarely the focus of osteoid osteoma, and only a few of those cases are related to the fifth metatarsal. The present case demonstrates that atypical symptoms with suspicious findings on plain radiographs that are not associated with trauma must be analyzed carefully to determine the nature of the lesion and perform the precise treatment to obtain and sustain the cure. A 29-year-old man presented to the outpatient clinic with a 2-year history of chronic pain in the lateral aspect of his left forefoot...
July 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28872350/strategies-towards-rapid-generation-of-forefoot-model-incorporating-realistic-geometry-of-metatarsals-encapsulated-into-lumped-soft-tissues-for-personalized-finite-element-analysis
#7
Wen-Ming Chen, Sung-Jae Lee, Peter Vee Sin Lee
Use of finite element (FE) foot model as a clinical diagnostics tool is likely to improve the specificity of foot injury predictions in the diabetic population. Here we proposed a novel workflow for rapid construction of foot FE model incorporating realistic geometry of metatarsals encapsulated into lumped forefoot's soft tissues. Custom algorithms were implemented to perform unsupervised segmentation and mesh generation to directly convert CT data into a usable FE model. The automatically generated model provided higher efficiency and comparable numerical accuracy when compared to the model constructed using a traditional solid-based mesh process...
September 5, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28865596/percutaneous-foot-surgery-for-the-treatment-of-brachymetatarsia-a-case-report
#8
Gonzalo Concheiro Barreiro, Arantza Gadañón García, Jose María Giráldez Domínguez
BACKGROUND: The term brachimetatarsia refers to an abnormal shortening of the metatarsal bones as a result of early closure of the growth plate. The deformity, which may be congenital, idiopathic or secondary to surgery or trauma, may result in functional as well as cosmetic alterations, which require correction by an orthopedic surgeon. The purpose of this report is to illustrate the possibility of treating this condition by means of a minimally invasive technique which affords results as satisfactory as those of conventional techniques but with fewer complications...
September 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28865590/matrix-associated-stem-cell-transplantation-mast-in-chondral-defects-of-the-1st-metatarsophalangeal-joint-is-safe-and-effective-2-year-follow-up-in-20-patients
#9
Martinus Richter, Stefan Zech, Stefan Andreas Meissner
The aim of the study was to assess the 2-year-follow-up of matrix-associated stem cell transplantation (MAST) in chondral defects of the 1st metatarsophalangeal joint (MTPJ). In a prospective consecutive non-controlled clinical follow-up study, 20 patients with 25 chondral defect at the 1st MTPJ that were treated with MAST from October 1st, 2011 to March, 30th, 2013 were analysed. The size and location of the chondral defects range of motion (ROM), and the Visual-Analogue-Scale Foot and Ankle (VAS FA) before treatment and at follow-up were registered...
September 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28861633/efficacy-of-pedobarographic-analysis-to-evaluate-proximal-medial-gastrocnemius-recession-in-patients-with-gastrocnemius-tightness-and-metatarsalgia
#10
Gustavo Vinagre, Matías Alfonso, Sebastián Cruz-Morande, Miguel Hernández, Carlos Villas
PURPOSE: Proximal medial gastrocnemius recession (PMGR) is a surgical procedure performed in patients with gastrocnemius tightness (GT). The purpose of this study is to evaluate the efficacy of pedobarographic analysis on PMGR in patients with GT and metatarsalgia. METHODS: This prospective study included 52 patients diagnosed with GT treated surgically with PMGR and 49 non-operated upon patients (control group). A total of 55 PMGRs (three bilateral) were performed as an isolated or combined procedure in the treatment group...
August 31, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28859075/plantar-pressures-are-elevated-in-people-with-longstanding-diabetes-related-foot-ulcers-during-follow-up
#11
Malindu E Fernando, Robert G Crowther, Peter A Lazzarini, Saiumaeswar Yogakanthi, Kunwarjit S Sangla, Petra Buttner, Rhondda Jones, Jonathan Golledge
OBJECTIVE: High plantar pressures are implicated in the development of diabetes-related foot ulcers. Whether plantar pressures remain high in patients with chronic diabetes-related foot ulcers over time is uncertain. The primary aim of this study was to compare plantar pressures at baseline and three and six months later in participants with chronic diabetes-related foot ulcers (cases) to participants without foot ulcers (controls). METHODS: Standardised protocols were used to measure mean peak plantar pressure and pressure-time integral at 10 plantar foot sites (the hallux, toes, metatarsals 1 to 5, mid-foot, medial heel and lateral heel) during barefoot walking...
2017: PloS One
https://www.readbyqxmd.com/read/28855966/correlating-pre-operative-mri-measurements-of-metatarsal-osteomyelitis-with-surgical-clean-margins-reveals-the-need-for-a-one-centimeter-resection-margin
#12
Brent Bernstein, Melody Stouder, Eric Bronfenbrenner, Steven Chen, David Anderson
BACKGROUND: Due to the high incidence of forefoot ulcerations with associated osteomyelitis, there has been an increased demand for partial ray amputations. In order to ensure complete removal of infected metatarsal bone, a clean margin amount is chosen based on the surgeon's intraoperative visual subjective evaluation. The margin is resected and sent to pathology. Currently the literature shows positive proximal margin rates of 35-40%. The purpose of this study was to reduce the rate of positive proximal margins by effectively resecting all infected bone using pre-operative MRI measurements with an added resection margin...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28846950/osteochondrosis-of-the-medial-malleolar-epiphysis-a-case-report-and-review-of-the-literature
#13
Marco Turati, Yann Glard, Jacques Griffet, David Afonso, Aurélien Courvoisier, Marco Bigoni
INTRODUCTION: Osteochondrosis is characterized by a disturbance of enchondral ossification in skeletally immature patients and should be investigated in children having a history of persistent foot and ankle pain. Involvement of the medial malleolar epiphysis is rarely reported. PRESENTATION OF CASE: We describe the case of a sporty 12-year-old male with osteochondrosis of the left medial malleolar epiphysis treated with a conservative management. DISCUSSION: Calcanear, navicular and metatarsal apophysis are the most common locations for osteochondrosis in ankle and foot...
August 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28843551/calcaneocuboid-distraction-arthrodesis-with-synthetic-bone-grafts-preliminary-results-of-an-innovative-bone-grafting-procedure-in-13%C3%A2-patients
#14
Hayato Kobayashi, Yasunori Kageyama, Yoji Shido
Calcaneocuboid distraction arthrodesis (CCDA) is regarded as an effective method for reconstructing adult-acquired flatfoot deformity. In the present study, we present our experience with newly developed rigid β-tricalcium phosphate wedges to treat CCDA to better understand the outcomes of this synthetic bone grafting procedure. A total of 13 feet in 13 patients underwent CCDA with synthetic bone grafts. One male (7.69%) and 12 females (92.31%), with a mean age of 65.07 ± 11.83 (range 36 to 77) years, were followed up for a mean duration of 32...
August 23, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28843011/the-bipedicled-medial-plantar-flap-vascular-enhancement-of-a-reverse-flow-y-v-medial-plantar-flap-by-the-inclusion-of-a-metatarsal-artery-perforator-for-the-reconstruction-of-a-forefoot-defect-a-case-report
#15
Mario F Scaglioni, Alberto Franchi, Semra Uyulmaz, Pietro Giovanoli
The pedicled medial plantar (MP) flap is an optimal solution for defects involving the weight-bearing areas of the foot. However, venous congestion is a frequently encountered complication, especially with the reverse-flow variants of the flap, and several strategies have been reported in literature both to prevent and to manage it. In this article, we present the use of a medial plantar flap based distally on the lateral plantar artery with the adjunct of an extra metatarsal perforator from the dorsalis pedis artery as a vascular enhancement to avoid the venous congestion and to improve the overall circulation...
August 26, 2017: Microsurgery
https://www.readbyqxmd.com/read/28842105/early-protected-weightbearing-for-acute-ruptures-of-the-achilles-tendon-do-commonly-used-orthoses-produce-the-required-equinus
#16
Philip Ellison, Andrew Molloy, Lyndon William Mason
Conservative "functional" management of acute Achilles tendon ruptures has become increasingly popular. Critical to this is the use of the walking orthosis, which positions the ankle in equinus to allow for early weightbearing. Our aim was to test whether 2 common orthoses achieved a satisfactory equinus position. A total of 11 sequentially treated Achilles tendon ruptures were assigned to either a fixed angle walking boot with wedges (FAWW) or an adjustable external equinus-corrected brace (EEB). The lateral radiographs of the cast immobilized tendons showed a mean tibiotalar angle (TTA) of 56° (range 54° to 57°) and a mean tibio-first metatarsal angle (1MTA) of 74° (range 62° to 85°)...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28842092/iselin-s-disease-a-systematic-review
#17
REVIEW
Richard A Forrester, Alistair I Eyre-Brook, Ken Mannan
Iselin's disease was first described in 1912. It is a condition affecting the tuberosity of the base of the fifth metatarsal. It has been described as a traction apophysitis predominately affecting adolescents, in particular those who partake in regular sporting activity. The condition is rarely reported and likely to remain undiagnosed, possibly mistaken for a fracture. The present report reviewed the available published data to highlight this condition as a differential diagnosis in patients with fifth metatarsal pain...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28842091/ten-year-follow-up-of-metatarsal-head-resurfacing-implants-for-treatment-of-hallux-rigidus
#18
Henry Hilario, Alan Garrett, Travis Motley, Sumihiro Suzuki, Brian Carpenter
Controversy remains regarding the use of arthroplasty versus arthrodesis in the surgical treatment of late-stage hallux rigidus. The purpose of our retrospective study was to report the long-term follow-up results of the metatarsal head resurfacing implant used for hemiarthroplasty. The patient assessments were conducted using the American Orthopaedic Foot and Ankle Society (AOFAS) metatarsophalangeal clinical rating system and a satisfaction questionnaire. A total of 59 consecutive implantations were performed from January 2005 to December 2009 at our institution...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28842090/comparison-of-tibial-sesamoid-position-on-anteroposterior-and-axial-radiographs-before-and-after-triplane-tarsal-metatarsal-joint-arthrodesis
#19
Paul Dayton, Mindi Feilmeier
We reviewed the radiographic results of a group of patients who had undergone triplane correctional tarsometatarsal arthrodesis for symptomatic hallux abducto valgus with metatarsus primus abducto valgus. Of the 21 feet included in the present review, 17 (81%) displayed radiographic findings of metatarsal pronation preoperatively based on axial sesamoid views and positive lateral round sign on anteroposterior radiographs. At a mean follow-up period of 5.2 ± 1.6 months, a significant improvement in the tibial sesamoid position (TSP) on both anteroposterior (AP) and axial radiographs was measured...
September 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28841865/comparison-of-outcomes-according-to-fixation-technique-following-the-modified-ludloff-osteotomy-for-hallux-valgus-in-patients-with-rheumatoid-arthritis
#20
Young-Hoon Jo, Ki-Chul Park, Young-Sik Song, Il-Hoon Sung
BACKGROUND: Clinical and radiological outcomes including fixation stability of osteotomy site were compared in rheumatoid arthritis (RA) patients who underwent modified Ludloff osteotomy to correct hallux valgus with osteotomy site fixation using two screws versus those who underwent additional fixation using a plate. METHODS: The fixation technique performed with two screws was used to fix the osteotomy sites following modified Ludloff osteotomy in 15 patients (15 feet, Group S), while the augmented plate fixation technique was used in 14 patients (16 feet, Group P)...
August 25, 2017: BMC Musculoskeletal Disorders
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