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M Aurich, D Albrecht, P Angele, C Becher, S Fickert, J Fritz, P E Müller, P Niemeyer, M Pietschmann, G Spahn, M Walther
Background: Osteochondral lesions (OCL) of the ankle are a common cause of ankle pain. Although the precise pathophysiology has not been fully elucidated, it can be assumed that a variety of factors are responsible, mainly including traumatic events such as ankle sprains. Advances in arthroscopy and imaging techniques, in particular magnetic resonance imaging (MRI), have improved the possibilities for the diagnosis of OCLs of the ankle. Moreover, these technologies aim at developing new classification systems and modern treatment strategies...
October 21, 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
Elisa Tassano, Mariasavina Severino, Silvia Rosina, Riccardo Papa, Domenico Tortora, Giorgio Gimelli, Cristina Cuoco, Paolo Picco
BACKGROUND: Deletions of the long arm of chromosome 18 cause a common autosomal syndrome clinically characterized by a protean clinical phenotype. CASE PRESENTATION: We report on a 16-month-old male infant affected by fever attacks apparently unrelated with any infectious or inflammatory symptoms, growth retardation, bilateral vertical talus, congenital aural atresia, dysmorphisms, mild psychomotor delay, and peculiar neuroradiological features. Array-CGH analysis revealed one of the smallest 18q22...
2016: Molecular Cytogenetics
Travis Rayne Pickering, Jason L Heaton, Morris B Sutton, Ron J Clarke, Kathleen Kuman, Jess Hutton Senjem, C K Brain
We describe 14 hominin teeth and tooth fragments excavated recently from Swartkrans Cave (South Africa). The fossils derive from Members 1 (Lower Bank) and 3, from the Member 2/3 interface and from two deposits not yet assigned to member (the "Talus Cone Deposit" and the "Underground North Excavation" [UNE]) of the Swartkrans Formation, and include the first hominin fossil from the UNE, the two smallest Paranthropus robustus deciduous maxillary second molars in the entire hominin fossil record, and one of the smallest P...
November 2016: Journal of Human Evolution
Hongliang Liu, Lili Sang, Shuchai Xu, Bojian Chen
Osteoid osteomas are most likely to occur in the talar neck and can be classified as cortical, cancellous, or subperiosteal according to the position of the tumor nidus. However, cases located on the bearing surface of the talus are rare. Herein, the patient presented with an osteoid osteoma on the bearing surface of the talus and achieved good curative effects with arthroscopic resection associated with autologous iliac crest graft.
September 2, 2016: Journal of the American Podiatric Medical Association
Ümit Aygün, Yalkçn Çalçk, Barçş Alkan, Cengiz Işçk
In this study, we present the case of a 42-year-old man with a fracture and dislocation of the left talus neck, and a fracture of the right talus neck due to a fall. This kind of fracture can be considered rare, and thus few cases have been reported. Fracture fixation was provided through cannulated screws on either side. Splints were removed after 6 weeks, and passive/active joint movement exercises were started. The patient was able to walk with partial weightbearing at 2 months and with full weightbearing at 3 months...
September 2, 2016: Journal of the American Podiatric Medical Association
Alexander Kolb, Madeleine Willegger, Reinhard Schuh, Alexandra Kaider, Catharina Chiari, Reinhard Windhager
PURPOSE: Deformation of the talus in idiopathic congenital clubfeet is a known problem after treatment. However evidence on types of talus deformation and clinical relevance is rare. The aims of this study were first to define different types of talus deformation, and second, to evaluate the impact of these types on long-term results. METHODS: At a minimum follow-up of ten years 40 idiopathic clubfeet treated by a modified dorsomedial release were analyzed. Based on morphological appearance and the widened range of radius to length ratios (R/L-ratio) in treated clubfeet deformed tali were divided into two groups: tali with decreased R/L-ratios were classified as small-dome talus deformation (SD), tali with increased R/L-ratios were classified as flat-top talus deformation (FT)...
October 11, 2016: International Orthopaedics
Manami Makitsubo, Nobuo Adachi, Tomoyuki Nakasa, Tomohiro Kato, Ryo Shimizu, Mitsuo Ochi
BACKGROUND: Although differences in the results of the bone marrow stimulation technique between the knee and ankle have been reported, a detailed mechanism for those differences has not been clarified. The purpose of this study was to examine whether morphological differences between the knee and ankle joint affect the results of drilling as treatment for osteochondral defects in a rabbit model. METHODS: Osteochondral defects were created at the knee and ankle joint in the rabbit...
October 4, 2016: Journal of Orthopaedic Surgery and Research
Alexey Solodovnikov, Aslak Kappel Hansen
Hypogean species of Quedius, one of the largest North Hemisphere beetle genera, are reviewed in connection with the discovery of a new peculiar, brachypterous and microphtalmous species from the subgenus Microsaurus in the talus-based microhabitats of the Russian Far East. Morphology of that species here described as Quedius roma sp. n. suggests its affinity with the przewalskii-group from China and Nepal. Affinity of Q. roma to the abnormalis-group, a geographically more proximate and species-rich and presumably non-monophyletic assemblage of hypogean species from Japan and Taiwan, or to any other Holarctic Microsaurus is not supported morphologically...
September 26, 2016: Zootaxa
Chris Smolen, Cheryl E Quenneville
The foot-ankle complex is frequently injured in a wide array of debilitating events such as car crashes. Numerical models and experimental tests have been used to assess injury risk, but most do not account for the variations in ankle posture that frequently occur during these events. In this study, the positions of the bones of the foot-ankle complex (particularly, the hindfoot) were quantified over a range of postures. Computed tomography scans were taken of a male cadaveric leg under axial loading with the ankle in five postures in which fractures are commonly reported...
September 30, 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
S Y Lee, S-S Kwon, M S Park, M K Chung, K B Kim, S Koo, K M Lee
This study aimed to investigate the relationship between bone morphology and injured ligaments on imaging studies and laxity on ankle stress radiographs in patients with lateral ankle instability. In total, 115 patients who had undergone ankle MRI, ankle radiography, and stress radiography were included. Distal tibial articular surface angle, bimalleolar tilt, medial and lateral malleolar relative length, medial malleolar slip angle, anterior inclination of the tibia, and fibular position were measured on ankle radiographs...
September 27, 2016: International Journal of Sports Medicine
Elizabeth A Barton, Jane Anne Emerson, Mohammad Agha
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Ewout S Veltman, Ernst Ja Steller, Philippe Wittich, Jort Keizer
A case of complicated lateral subtalar dislocation is presented and the literature concerning this injury is reviewed. Subtalar joint dislocations are rare and often the result of a high-energy trauma. Complications include avascular necrosis of the talus, infection, posttraumatic osteoarthritis requiring arthrodesis and chronic subtalar instability. Negative prognostic factors include lateral and complicated dislocations, total talar extrusions, and associated fractures. A literature search was performed to identify studies describing outcome after lateral subtalar joint dislocation...
September 18, 2016: World Journal of Orthopedics
Soukaina Wakrim, Abdellatif Siwane, Ousmane Traore, Samira Lezar, Fatiha Essodegui
Osteoid osteoma is a benign primary bone tumor. This tumor is relatively frequent, accounting for 12% of all benign bone tumors and about 2-3% of all bone tumors. We report a new case of osteoid osteoma confirmed histologically. A 30-year old patient was referred for evaluation of chronic ankle pain. Front and lateral radiographs of the ankle showed a heterogeneous lesion located in the neck of the talus without soft tissue abnormalities. The CT scan of the ankle showed a nodular, hypodense lesion located in the neck of the talus with a limited osteosclerotic reaction...
2016: Pan African Medical Journal
Cameron J Powden, Kathleen K Hogan, Erik A Wikstrom, Matthew C Hoch
CONTEXT: Talocrural joint mobilizations are commonly used to address deficits associated with chronic ankle instability (CAI). OBJECTIVE: Examine the immediate effects of talocrural joint traction in those with CAI. DESIGN: Blinded, crossover. SETTING: Laboratory. PARTICIPANTS: Twenty adults (14 females; age=23.80±4.02years; height=169.55±12.38cm; weight=78.34±16.32kg) with self-reported CAI participated...
August 24, 2016: Journal of Sport Rehabilitation
Jin-Quan He, Xin-Long Ma, Xi Zhang, Jing-Yi Xin, Nan Li
OBJECTIVE: To provide more accurate reference data for the assessment and treatment of talar injuries by constructing 3-D computer-assisted models of the talus and comparing them with reference data obtained from measurements on cadaver specimens. METHODS: Three-dimensional talus models were constructed from CT data recorded for healthy Chinese volunteers using SuperImage Orthopedics software. Structural variables such as length, width, height and volume of talus were compared using the Fisher least significant difference test to determine the significance of bilateral or sex-specific differences in the study cohort...
August 2016: Orthopaedic Surgery
Justin D Orr, John C Dunn, Kenneth A Heida, Nicholas A Kusnezov, Brian R Waterman, Philip J Belmont
INTRODUCTION: Structural fresh osteochondral allograft transfer is an appropriate treatment option for large osteochondral lesions of the talus (OLTs), specifically lesions involving the shoulder of the talus. Sparse literature exists regarding functional outcome following this surgery in high-demand populations. MATERIALS AND METHODS: Over a 2-year period, a single surgeon performed 8 structural allograft transfers for treatment of large OLTs in an active duty US military population...
September 13, 2016: Foot & Ankle Specialist
Francesca Vannini, Giuseppe Gianluca Costa, Silvio Caravelli, Gherardo Pagliazzi, Massimiliano Mosca
PURPOSE: ankle injuries make up 15% of all sports injuries and osteochondral lesions of the talus (OLTs) are an increasingly frequent problem in active patients. There exist no widely shared guidelines on OLT treatment in the athletic population. The aim of this paper is to review all the existing literature evidence on the surgical treatment of OLTs in athletes, in order to determine the current state of the art in this specific population, underlining both the limits and the potential of the strategies used...
April 2016: Joints
Federico Giuseppe Usuelli, Miriam Grassi, Luigi Manzi, Vincenzo Guarrella, Michele Boga, Laura DE Girolamo
PURPOSE: the aim of this study is to report the clinical and imaging results recorded by a series of patients in whom osteochondral lesions of the talus (OLTs) were repaired using the autologous collagen-induced chondrogenesis (ACIC) technique with a completely arthroscopic approach. METHODS: nine patients (mean age 37.4±10 years) affected by OLTs (lesion size 2.1±0.9 cm(2)) were treated with the ACIC technique. The patients were evaluated clinically both preoperatively and at 12 months after surgery using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Scale (AOFAS) and a visual analog scale (VAS)...
April 2016: Joints
Tamara Zalewska, Luigi Cocchi, Jerzy Falandysz
Activity concentrations of (134)Cs and (137)Cs have been determined in 23 species of mushrooms of the genus Cortinarius (59 individual samples) collected from the Reggio Emilia in Italy 1992-1999 and in 4 species (16 composite samples and 413 individuals) from the Pomerania region in Poland from 1996 to 2015. Across all the Cortinarius species from the Reggio Emilia, the activity concentrations were relatively high in Cortinarius alboviolaceus, Cortinarius duracinus, Cortinarius orellanus, Cortinarius rapaceus, and Cortinarius subannulatus, in which (137)Cs was at 10,000 ~ 100,000 Bq kg(-1) dry biomass (db) in 1994...
September 6, 2016: Environmental Science and Pollution Research International
Tuğba Kuru Çolak, İlker Çolak, Eren Timurtaş, Güven Bulut, M Gülden Polat
Misalignment of the talar neck after surgical repair can redistribute the load among the posterior, middle, and anterior facets of the subtalar joints, which can change the joint biomechanics, cause arthritis, and impair function. However, we found no studies analyzing the plantar pressures after treatment of talus neck fracture. We determined the dynamic plantar pedobarographic and radiographic characteristics and ankle range of motion, function, and pain among patients after surgical repair of talar neck fractures...
September 2, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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