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https://www.readbyqxmd.com/read/27919259/functional-and-radiographic-outcomes-of-hallux-valgus-correction-by-mini-invasive-surgery-with-reverdin-isham-and-akin-percutaneous-osteotomies-a-longitudinal-prospective-study-with-a-48-month-follow-up
#1
Carlo Biz, Michele Fosser, Miki Dalmau-Pastor, Marco Corradin, Maria Grazia Rodà, Roberto Aldegheri, Pietro Ruggieri
BACKGROUND: Minimally invasive surgery (MIS) represents one of the most innovative surgical treatments of hallux valgus (HV). However, long-term outcomes still remain a matter of discussion within the orthopaedic community. The purpose of this longitudinal prospective study was to evaluate radiographic and functional outcomes in patients with mild-to-severe HV who underwent Reverdin-Isham and Akin percutaneous osteotomy, following exostosectomy and lateral release. METHODS: Eighty patients with mild-to-severe symptomatic HV were treated by MIS...
December 5, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27882577/sesamoid-bones-in-tuatara-sphenodon-punctatus-investigated-with-x-ray-microtomography-and-implications-for-sesamoid-evolution-in-lepidosauria
#2
Sophie Regnault, John R Hutchinson, Marc E H Jones
Sesamoids bones are small intra-tendinous (or ligamentous) ossifications found near joints and are often variable between individuals. Related bones, lunulae, are found within the menisci of certain joints. Several studies have described sesamoids and lunulae in lizards and their close relatives (Squamata) as potentially useful characters in phylogenetic analysis, but their status in the extant outgroup to Squamata, tuatara (Sphenodon), remains unclear. Sphenodon is the only living rhynchocephalian, but museum specimens are valuable and difficult to replace...
November 24, 2016: Journal of Morphology
https://www.readbyqxmd.com/read/27743001/distribution-patterns-and-coincidence-of-sesamoid-bones-at-metatarsophalangeal-joints
#3
Tao Sun, Haitao Zhao, Lingxiang Wang, Wenjuan Wu, Wenhai Hu
PURPOSE: Our aim was to identify the incidence and distribution of sesamoid bones plantar to the metatarsophalangeal (MTP) joints in adults, and to evaluate patterns of coincidence among these sesamoid bones. METHODS: We conducted a retrospective review of 7949 plain radiographs obtained from patients evaluated for foot trauma or symptomology. Associations between the distributions of MTP sesamoid bones as well as the association of age, sex, and laterality with identified prevalence, distribution, and coincidence were evaluated using Spearman's correlation coefficient...
October 14, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27665955/a-new-insight-into-the-fabella-at-knee-the-fetal-development-and-evolution
#4
Zhe Wu Jin, Shunichi Shibata, Hiroshi Abe, Yu Jin, Xiang Wu Li, Gen Murakami
Using longitudinal semiserial sections of 12 lower extremities from 8 human fetuses at 15-18 weeks, we compared fetal morphologies of the knee in specimens with and without fabellae. We also compared the fabella, if present, with the hallucal sesamoid in the same fetus. Cartilaginous fabella, positive for versican and tenascin by immunohistochemistry, was found in 5 of the 8 fetuses. This structure was embedded in a thick and tight lateral fibrous band, providing a common origin of the plantaris muscle and the lateral head of the gastrocnemius muscle...
September 26, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27649402/the-rare-lesser-metatarsal-bipartite-sesamoid-a-case-report-and-literature-review
#5
Christopher R Hood, Stephanie Eldridge, Matthew Tran, Jason R Miller
INTRODUCTION AND OBJECTIVES: There are several various accessory ossicles and sesamoid bones that can be seen throughout the foot and ankle, with reported incidence of 21.2% and 9.6%, respectively. Accessory ossicles and sesamoid bones usually remain asymptomatic until an inciting event (trauma, overuse) occurs and can then cause pain or degenerative changes. They can also be found in routine imaging. One of these confusing findings are lesser metatarsal sesamoids, which are a rare occurrence...
September 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27618711/radial-soundwave-for-sesamoidopathy-in-athletes-a-pilot-study
#6
Amol Saxena, Andrew Yun, Rajan Patel, Ludger Gerdesmeyer, Nicola Maffulli
The purpose of the present study was to evaluate the efficacy of radial soundwave therapy (RSW) for the management of sesamoiditis, symptomatic bipartite sesamoids, and avascular necrosis in athletic patients. The data from 10 patients undergoing RSW for sesamoiditis were retrospectively studied. Three treatments at 2.4 Bar and 13 Hz, for a total of 2500 pulses in each session, were administered to the affected sesamoid approximately 1 week apart. The Roles and Maudsley score and the visual analog scale (VAS) were used to assess disability and pain...
November 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27611816/evolutionary-transformation-of-the-palmaris-longus-muscle-in-flying-squirrels-pteromyini-sciuridae-an-anatomical-consideration-of-the-origin-of-the-uniquely-specialized-styliform-cartilage
#7
Tomokazu Kawashima, Richard W Thorington, Paula W Bohaska, Fumi Sato
A long-standing issue in squirrel evolution and development is the origin of the styliform cartilage of flying squirrels, which extends laterally from the carpus to support the gliding membrane (patagium). Because the styliform cartilage is one of the uniquely specialized structures permitting gliding locomotion, the knowledge of its origin and surrounding transformation is key for understanding their aerodynamic evolution. The developmental study that would definitely answer this question would be difficult due to the rarity of embryological material...
September 9, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27587521/correction-of-moderate-to-severe-hallux-valgus-with-combined-proximal-opening-wedge-and-distal-chevron-osteotomies-a-reliable-technique
#8
L Jeyaseelan, S Chandrashekar, A Mulligan, H A Bosman, A J S Watson
AIMS: The mainstay of surgical correction of hallux valgus is first metatarsal osteotomy, either proximally or distally. We present a technique of combining a distal chevron osteotomy with a proximal opening wedge osteotomy, for the correction of moderate to severe hallux valgus. PATIENTS AND METHODS: We reviewed 45 patients (49 feet) who had undergone double osteotomy. Outcome was assessed using the American Orthopaedic Foot and Ankle Society (AOFAS) and the Short Form (SF) -36 Health Survey scores...
September 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27566990/improved-radiological-diagnosis-of-palmar-osteochondral-disease-in-the-thoroughbred-racehorse
#9
A M Davis, X Fan, L Shen, P Robinson, C M Riggs
BACKGROUND: Palmar osteochondral disease (POD) is common in the Thoroughbred racehorse yet difficult to diagnose by radiography alone. OBJECTIVES: To improve the sensitivity and specificity for diagnosing POD from radiographs. STUDY DESIGN: Prospective, longitudinal study. METHODS: Radiographs in nine different projections were made of metacarpophalangeal joints (MCPJ) of 50 Thoroughbreds. Post-mortem, MCPJs were dissected and gross pathology was scored...
August 27, 2016: Equine Veterinary Journal
https://www.readbyqxmd.com/read/27530982/relationship-between-displacement-and-degenerative-changes-of-the-sesamoids-in-hallux-valgus
#10
Ryuhei Katsui, Norihiro Samoto, Akira Taniguchi, Manabu Akahane, Shinji Isomoto, Kazuya Sugimoto, Yasuhito Tanaka
BACKGROUND: Although the tangential sesamoid view is used to visualize the sesamoid position relative to the first metatarsal head, correctly evaluating patients with severe varus of the first metatarsal is difficult. Computed tomography (CT) can be helpful due to its cross-sectional images in any plane. The purposes of this study were to evaluate the alignment of the tibial sesamoid and investigate the relationship between malalignment and degenerative change in the sesamoid metatarsal joint (SMJ) using simulated weight-bearing CT imaging in patients with hallux valgus...
December 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27521351/tibial-sesamoid-position-influence-on-functional-outcome-and-satisfaction-after-hallux-valgus-surgery
#11
Jerry Yongqiang Chen, Kiran Rikhraj, Cheryl Gatot, Justine Yun Yu Lee, Inderjeet Singh Rikhraj
BACKGROUND: During hallux valgus surgery, the abnormal position of the first metatarsal bone relative to the sesamoids is addressed. Our study aimed to investigate the influence of postoperative tibial sesamoid position (TSP) on functional outcome and patient satisfaction after hallux valgus surgery. METHODS: Between February 2007 and November 2011, 250 patients who underwent hallux valgus surgery at our tertiary hospital were followed for 2 years after surgery...
November 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27470952/-comparative-analysis-of-the-ankle-joints-in-juvenile-male-soccer-players-with-imaging
#12
Y B Huang, Y X Zhao, J J Xiao, M W Li, R Zhang, S L Li
OBJECTIVE: To investigate the characteristics of children male soccer players' ankle imaging features. METHODS: From October 2015 to February 2016, a total of 32 male children players of two soccer clubs in Guangzhou were enrolled in this study.The ages of all cases were from 10 to 14 years, average age was (11.3±0.9) years.A total of 15 male children in region ordinary primary and secondary school students were set as control group, ages were from 10 to 14 years, average age was (12...
July 5, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27418991/fabella-syndrome-as-an-uncommon-cause-of-posterolateral-knee-pain-after-total-knee-arthroplasty-a-case-report-and-review-of-the-literature
#13
Eriko Okano, Tomokazu Yoshioka, Takaji Yanai, Sho Kohyama, Akihiro Kanamori, Masashi Yamazaki, Toshikazu Tanaka
The fabella is a sesamoid bone that is located in the lateral head of the gastrocnemius muscle and has been identified on magnetic resonance imaging in 31% of Japanese people. In the present case, a 65-year-old woman experienced posterolateral knee pain, accompanied by a clicking "sound" during active knee flexion, after undergoing total knee arthroplasty for knee osteoarthritis. Eight months of conservative therapy failed to produce an improvement, with progressive osteoarthritic change of the fabella identified on plain radiography...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27381179/minimally-invasive-and-open-distal-chevron-osteotomy-for-mild-to-moderate-hallux-valgus
#14
Kit Brogan, Edward Lindisfarne, Harold Akehurst, Usama Farook, Will Shrier, Simon Palmer
BACKGROUND: Minimally invasive surgical (MIS) techniques are increasingly being used in foot and ankle surgery but it is important that they are adopted only once they have been shown to be equivalent or superior to open techniques. We believe that the main advantages of MIS are found in the early postoperative period, but in order to adopt it as a technique longer-term studies are required. The aim of this study was to compare the 2-year outcomes of a third-generation MIS distal chevron osteotomy with a comparable traditional open distal chevron osteotomy for mild-moderate hallux valgus...
July 4, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27336456/the-hallucal-sesamoid-complex-normal-anatomy-imaging-and-pathology
#15
Ramya Srinivasan
The first metatarsophalangeal joint and hallucal-sesamoid complex are critical structures in weightbearing and susceptible to several pathologies including turf toe, sesamoiditis, degenerative or inflammatory arthritides, infection, and avascular necrosis. This review article summarizes the complex anatomy of the region, covers common pathologies while clarifying terms such as turf toe and sesamoiditis, reviews imaging techniques, and discusses management.
April 2016: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/27330400/a-retrospective-study-of-radiographic-abnormalities-in-the-repositories-of-2-year-old-thoroughbred-in-training-sales-in-japan
#16
Daisuke Miyakoshi, Hiroyuki Senba, Mitsumori Shikichi, Masaya Maeda, Ryo Shibata, Kazuhiro Misumi
This study aimed to evaluate the influence of radiographic abnormalities of 2-year-old Thoroughbred horses that were listed at in-training sales in Japan, on whether they started to race or not at 2-3 years of age. Radiographs of 850 2-year-old Thoroughbreds in the in-training sales repository from 2007 to 2010 were reviewed, and 26 categories of radiographic abnormalities were found. Forty-three horses (5.1%, 43/850) did not start a race at 2-3 years of age. In accordance with the racing results for this age category, as determined by Fisher's exact test and multiple logistic regression analysis, none of the radiographic abnormalities were significantly related to failure to start a race...
2016: Journal of Equine Science
https://www.readbyqxmd.com/read/27299085/differential-diagnosis-of-bpop-arising-in-relation-to-patella
#17
Jitendra Nath Pal, Maitreyee Kar, Sunit Hazra, Anindya Basu
INTRODUCTION: Solitary exostosis is common at the metaphysis of long bones, and rarely may it develop in the lower pole of the patella. Usually it stops growing after skeletal maturity unless complicated. When the growth continues after skeletal maturity, other rare possibilities need to be considered such as bizarre parosteal osteochondromatous proliferation (BPOP). Though solitary exostosis is common at the metaphysis of long bones, very rarely it also develops in lower pole of the patella...
October 2015: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27289220/evaluation-of-hallux-valgus-correction-with-versus-without-akin-proximal-phalanx-osteotomy
#18
Naohiro Shibuya, Jakob C Thorud, Lanster R Martin, Britton S Plemmons, Daniel C Jupiter
Although the efficacy of Akin proximal phalanx closing wedge osteotomy as a sole procedure for correction of hallux valgus deformity is questionable, when used in combination with other osseous corrective procedures, the procedure has been believed to be efficacious. However, a limited number of comparative studies have confirmed the value of this additional procedure. We identified patients who had undergone osseous hallux valgus correction with first metatarsal osteotomy or first tarsometatarsal joint arthrodesis with (n = 73) and without (n = 81) Akin osteotomy and evaluated their radiographic measurements at 3 points (preoperatively, within 3 months after surgery, and ≥6 months after surgery)...
September 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27168987/bone-indicators-of-grasping-hands-in-lizards
#19
Gabriela Fontanarrosa, Virginia Abdala
Grasping is one of a few adaptive mechanisms that, in conjunction with clinging, hooking, arm swinging, adhering, and flying, allowed for incursion into the arboreal eco-space. Little research has been done that addresses grasping as an enhanced manual ability in non-mammalian tetrapods, with the exception of studies comparing the anatomy of muscle and tendon structure. Previous studies showed that grasping abilities allow exploitation for narrow branch habitats and that this adaptation has clear osteological consequences...
2016: PeerJ
https://www.readbyqxmd.com/read/27162082/severe-foot-lesions-in-dairy-goats-associated-with-digital-dermatitis-treponemes
#20
H E Crosby-Durrani, S R Clegg, E Singer, J W Angell, N J Evans, S D Carter, R J Blundell, J S Duncan
Treponeme-associated foot disease has been described in cattle with digital dermatitis and sheep with contagious ovine digital dermatitis. In this study, severe foot lesions in dairy goats associated with digital dermatitis treponemes (i.e. Treponema medium, Treponema phagedenis and Treponema pedis) were characterized macroscopically, radiographically and histologically. The main macroscopic foot lesion was of extensive solar ulceration with or without exophytic papilliform hyperkeratosis. Radiographically, the distal phalanx and distal sesamoid bones were severely damaged and remodelled...
May 2016: Journal of Comparative Pathology
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