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https://www.readbyqxmd.com/read/28224074/arthroscopic-resection-of-too-long-anterior-process-of-the-calcaneus
#1
Tun Hing Lui
A too-long anterior process (TLAP) of the calcaneus is an elongated anteromedial process of the calcaneus impinging the navicular or the talar head. TLAP can cause recurrent ankle sprain, peroneal muscle spasm, or persistent tarsal pain in adolescents. Arthroscopic resection is indicated if the symptoms do not respond to conservative treatment. It has the advantage of assessment of completeness of bone resection and treatment of associated lesions of the adjacent joints. The purpose of this technical note is to report an arthroscopic approach of the resection of the TLAP with the lateral midtarsal portal as the viewing portal...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28222170/biomechanical-investigation-of-two-plating-systems-for-medial-column-fusion-in-foot
#2
Paul Simons, Theresia Sommerer, Ivan Zderic, Dieter Wahl, Mark Lenz, Hristo Skulev, Matthias Knobe, Boyko Gueorguiev, R Geoff Richards, Kajetan Klos
BACKGROUND: Arthrodesis of the medial column (navicular, cuneiform I and metatarsal I) is performed for reasons such as Charcot arthropathy, arthritis, posttraumatic reconstruction or severe pes planus. However, the complication rate is still high and mainly resulting from inadequate fixation. Special plates, designed for medial column arthrodesis, seem to offer potential to reduce the complication rate. The aim of this study was to investigate biomechanically plantar and dorsomedial fusion of the medial column using two new plating systems...
2017: PloS One
https://www.readbyqxmd.com/read/28205669/distal-border-synovial-invaginations-of-the-equine-distal-sesamoid-bone-communicate-with-the-distal-interphalangeal-joint
#3
Julien Olive, Marine Videau
OBJECTIVES: Macroscopic studies have suggested a link between distal border synovial invaginations of the navicular bone and the distal interphalangeal joint. However, many practitioners consider that these invaginations are directly and solely related to navicular disease. The objective was to investigate the communication pattern of these synovial invaginations with the synovial compartments of the distal interphalangeal joint and the navicular bursa, using minimally invasive imaging techniques...
February 16, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28163787/statistical-shape-models-of-cuboid-navicular-and-talus-bones
#4
Aleksandra U Melinska, Patryk Romaszkiewicz, Justyna Wagel, Bartlomiej Antosik, Marek Sasiadek, D Robert Iskander
BACKGROUND: The aim was to develop statistical shape models of the main human tarsal bones that would result in novel representations of cuboid, navicular and talus. METHODS: Fifteen right and 15 left retrospectively collected computed tomography data sets from male individuals, aged from 17 to 63 years, with no known foot pathology were collected. Data were gathered from 30 different subjects. A process of model building includes image segmentation, unifying feature position, mathematical shape description and obtaining statistical shape geometry...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28149724/endoscopic-accessory-navicular-synchondrosis-fusion
#5
Tun Hing Lui
The accessory navicular bone is one of the most common accessory ossicles of the foot. Fewer than 1% of accessory navicular bones are symptomatic, and most of these are type II accessory navicular bones. A separation of the synchondrosis is considered one of the main causes of pain. After an injury to the synchondrosis has resulted in a chondro-osseous disruption, the combined forces of tension and shear from the posterior tibial tendon and the foot aggravate the injury and prevent it from healing. Fusion of the synchondrosis is a logical surgical treatment option if the pain is recalcitrant to conservative measures...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149717/endoscopically-and-fluoroscopically-assisted-curettage-and-bone-grafting-of-the-navicular-bone-cyst
#6
Tun Hing Lui
Simple bone cyst is a common tumorlike lesion of the bone and can involve the bones of the foot. It is usually asymptomatic but can also present with pain or pathologic fracture. The purpose of this technical note is to describe the uni-osseous portal approach of endoscopic curettage and bone grafting of simple bone cyst of the navicular bone. The single-portal approach reduces the risk of iatrogenic fracture of the navicular bone. This is indicated for painful bone cyst of the navicular bone resistant to conservative treatment...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28145956/evaluation-of-first-ray-mobility-in-patients-with-hallux-valgus-using-weight-bearing-ct-and-a-3-d-analysis-system-a-comparison-with-normal-feet
#7
Tadashi Kimura, Makoto Kubota, Tetsuya Taguchi, Naoki Suzuki, Asaki Hattori, Keishi Marumo
BACKGROUND: Some physicians report that patients with hallux valgus have hypermobility at the tarsometatarsal (TMT) joint of the first ray and 3-dimensional (3-D) deformity. With use of non-weight-bearing and weight-bearing computed tomography (CT), we evaluated the 3-D mobility of each joint of the first ray in feet with hallux valgus compared with normal feet. METHODS: Ten feet of 10 patients with hallux valgus and 10 feet of 10 healthy volunteers with no foot disorders were examined...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28141515/automatic-quantification-of-radiographic-wrist-joint-space-width-of-patients-with-rheumatoid-arthritis
#8
Yinghe Huo, Koen I Vincken, Desiree van der Heijde, Maria J H De Hair, Floris P Lafeber, Max A Viergever
OBJECTIVE: Wrist joint space narrowing is a main radiographic outcome of rheumatoid arthritis (RA). Yet, automatic radiographic wrist joint space width (JSW) quantification for RA patients has not been widely investigated. The aim of this paper is to present an automatic method to quantify the JSW of three wrist joints that are least affected by bone overlapping and are frequently involved in RA. These joints are located around the scaphoid bone, viz. the multangular-navicular, capitate-navicular-lunate, and radiocarpal joints...
January 26, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28134962/common-foot-and-ankle-injuries-what-not-to-miss-and-how-best-to-manage
#9
Jessica Reissig, Adam Bitterman, Simon Lee
Injuries to the foot and ankle are commonly encountered, especially among athletes, and can lead to morbidity if not managed appropriately. Health care professionals must have a firm understanding of injury anatomy, diagnoses, and management. This article provides a review of lateral talus process fractures, os trigonum injuries, Lisfranc injuries, turf toe, navicular stress fractures, and syndesmotic injuries.
February 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28128875/an-ultrasound-guided-tendon-sparing-lateral-approach-to-injection-of-the-navicular-bursa
#10
K Nottrott, C De Guio, A Khairoun, M Schramme
BACKGROUND: Navicular disease in the horse often requires injection of the navicular bursa. We have developed an ultrasound-guided, lateral needle approach to navicular bursocentesis, which avoids penetration of the deep digital flexor tendon (DDFT) and the need for radiographic control. OBJECTIVES: To describe and evaluate the feasibility and efficacy of an ultrasound-guided, lateral bursocentesis technique. STUDY DESIGN: Cadaveric and in vivo experiments...
January 27, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28114949/individual-headless-compression-screws-fixed-with-three-dimensional-image-processing-technology-improves-fusion-rates-of-isolated-talonavicular-arthrodesis
#11
Mei-Ming Xie, Kang Xia, Hong-Xin Zhang, Hong-Hui Cao, Zhi-Jin Yang, Hai-Feng Cui, Shang Gao, Kang-Lai Tang
BACKGROUND: Screw fixation is a typical technique for isolated talonavicular arthrodesis (TNA), however, no consensus has been reached on how to select most suitable inserted position and direction. The study aimed to present a new fixation technique and to evaluate the clinical outcome of individual headless compression screws (HCSs) applied with three-dimensional (3D) image processing technology to isolated TNA. METHODS: From 2007 to 2014, 69 patients underwent isolated TNA by using double Acutrak HCSs...
January 23, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28110392/tarsal-navicular-stress-fractures
#12
REVIEW
Rachel J Shakked, Emily E Walters, Martin J O'Malley
PURPOSE OF REVIEW: Navicular stress fractures are common in athletes and management is debated. This article will review the evaluation and management of navicular stress fractures. RECENT FINDINGS: Various operative and non-operative adjunctive treatment modalities are reviewed including the relevance of vitamin D levels, use of shock wave therapy and bone marrow aspirate concentrate (BMAC), and administration of teriparatide. Surgical treatment may be associated with earlier return to sports...
January 21, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28103893/open-triple-fusion-versus-tnc-arthrodesis-in-the-treatment-of-mueller-weiss-disease
#13
Hongtao Zhang, Junkun Li, Yusen Qiao, Jia Yu, Yu Cheng, Yan Liu, Chao Gao, Jiaxin Li
BACKGROUND: Mueller-Weiss disease is a rarely diagnosed deformity where the navicular bone undergoes spontaneous osteonecrosis in adults. Until now, there is no widely accepted operative treatment for this unusual disease. We aimed to compare clinical and radiological outcomes between the open triple fusion and talonavicular-cuneiform arthrodesis for Mueller-Weiss disease of stage 4. METHODS: During the period from February 2012 to June 2016, 10 patients (11 feet) suffering from Mueller-Weiss disease of stage 4 were treated by the same senior surgeon...
January 19, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28099198/osteomyelitis-of-the-navicular-bone-a-case-report
#14
Nobuyuki Kumahashi, Suguru Kuwata, Shinji Imade, Yuji Uchio
A 16-year-old boy developed left foot pain of unknown cause that was unresponsive to conservative treatment, associated with fever and difficulty walking. He was admitted to our hospital with osteomyelitis of the accessory and body of the navicular bone. Surgery could not be performed because the patient had been diagnosed with Wiskott-Aldrich syndrome. After antibiotic therapy, laboratory abnormalities and pain had resolved. One year after treatment, the patient had returned to his original level of sports activity...
January 17, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28027667/do-structural-changes-of-the-foot-influence-plantar-pressure-patterns-during-various-stages-of-pregnancy-and-postpartum
#15
Preetha Ramachandra, Pratap Kumar, Asha Kamath, Arun G Maiya
BACKGROUND: The foot of a pregnant woman undergoes morphological changes with the advancement of pregnancy. It is important to understand the structural changes of the foot during pregnancy and postpartum because any such change may alter the plantar pressure pattern and the entire foot biomechanics. METHOD: Primigravidae with a gestational age of 12 weeks or less, aged between 18 and 35 years were included in the study. They were prospectively studied across 5 time periods during pregnancy and postpartum...
December 1, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28018093/clinico-radiological-improvement-in-an-immunocompetent-patient-presented-with-scedosporium-apiospermum-osteomyelitis
#16
Rahul Mohan, T S Gopakumar
Scedosporium apiospermum is frequently found as a saprophyte in soil, sewage and contaminated water. Its manifestations in immunocompetent patients are usually localised and in immunodeficient patients, it causes invasive systemic diseases. We are reporting the case of a 40-year-old male, who presented with pain, oedema and multiple discharging sinuses over the lateral aspect of the left foot with history of thorn prick. On examination, there were multiple active sinuses with tenderness and local rise in temperature...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28018081/spontaneous-osteonecrosis-of-navicular-and-talus-sonnt
#17
Raju Vaishya, Virender Kumar, Amit Kumar Agarwal, Vipul Vijay
We describe a rare case of simultaneous and spontaneous osteonecrosis affecting bilateral navicular and talar bones in a young male. On both sides, there was associated symptomatic talonavicular and naviculocuneiform arthritis. The more symptomatic left foot was managed successfully by talonavicular-cuneiform (TNC) arthrodesis and core decompression of talar body. A probable cause of this rare disorder was most likely due to a developmental anomaly in the preaxial ray of the foot. As no literature is currently available for this rare condition, our case report is intended to provide a referral point for future studies in the early diagnosis and management of this condition...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27994687/clinical-meaning-of-hot-uptake-on-bone-scan-in-symptomatic-accessory-navicular-bones
#18
Ari Chong, Jung-Min Ha, Jun-Young Lee
INTRODUCTION: We analyzed clinical factors related to uptake on a Tc-99 m HDP bone scan of the accessory navicular (AN). MATERIALS AND METHODS: We retrospectively reviewed patients who had been examined by an orthopedic surgeon and underwent bone scan due to suspected symptomatic AN. A three-point grading system was used to evaluate uptake on bone scan. Relationships between grade, symptoms, age, gender, symptom duration, and bone size were analyzed. RESULTS: In total, 73 ANs (30 asymptomatic, 43 symptomatic) were enrolled...
December 2016: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27993094/talonavicular-ligament-prevalence-of-injury-in-ankle-sprains-histological-analysis-and-hypothesis-of-its-biomechanical-function
#19
Miriam De Dea, Constantinos Loizou, Georgina M Allen, David J Wilson, Nick Athanasou, Yoshinobu Uchihara, Paul Cooke, Thomas Cosker
OBJECTIVES: To assess the prevalence of injury of the talonavicular ligament (TNL) in ankle sprains, its anatomy and the stability of the talonavicular joint (TNJ) before and after dividing the TNL in a cadaver. METHODS: During a prospective study of 100 patients to assess the outcome of ankle injuries we noted high incidence of TNL injuries: we will discuss here the TNL findings. Each patient had undergone ultrasound (US) and cone beam computed tomography examination of the ankle...
December 20, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27989339/anatomic-description-of-the-naviculocuneiform-articulation
#20
Kevin Renner, Jeffrey E McAlister, Melissa M Galli, Christopher F Hyer
The naviculocuneiform articulation is composed of the navicular proximally and the 3 cuneiforms distally. It is not uncommon to perform surgical interventions at this joint for multiple pathologic foot etiologies. To date, no detailed anatomic measurement is available for each cuneiform articulation on the navicular. The purpose of the present study was to present an anatomic description of this complex joint to aid in better surgical understanding and improve surgical outcomes. Ten fresh, frozen, and thawed below-the-knee cadaveric specimens were used for anatomic dissection of the navicular and associated cuneiforms...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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