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https://www.readbyqxmd.com/read/28215361/osteochondroma-of-the-tibial-sesamoid-a-case-report-and-review-of%C3%A2-the-literature
#1
Kazuo Ouchi, Michiyuki Hakozaki, Shin-Ichi Kikuchi, Shoji Yabuki, Shin-Ichi Konno
Osteochondroma, one of the most common benign bone tumors, frequently occurs in the metaphysis of the long bones. We report an extremely rare case of osteochondroma that occurred in the tibial sesamoid. The patient was a 62-year-old Japanese male. He presented with a 1-year history of pain and a hard mass on the plantar aspect of the right forefoot sole. The osteochondroma protruded toward the sole from the tibial sesamoid, leading to pain on weightbearing. After tibial sesamoidectomy, the patient's symptoms were eliminated, and no pain or complications such as hallux valgus occurred after the surgery...
February 15, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28205669/distal-border-synovial-invaginations-of-the-equine-distal-sesamoid-bone-communicate-with-the-distal-interphalangeal-joint
#2
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/28169040/os-subtibiale-mimicking-medial-malleolar-fracture-a-report-of-three-cases-and-review-of-literature
#3
Murat Topal, Ahmet Köse, Recep Dinçer, Tuncay Baran, Mehmet Köse, M Çağatay Engin
There are numerous sesamoids and accessory ossicles around the foot which can easily be misdiagnosed as fractures. Os subtibiale is a very rare normal variant of the medial malleolus which is usually diagnosed incidentally in routine ankle radiographs. In this report, we present a case series of 3 patients with os subtibiale who were admitted to the emergency department with ankle sprains and misdiagnosed as medial malleolar fractures. We would like to raise awareness to the very rare and usually asymptomatic os subtibiale as a diagnostic pitfall...
December 31, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28167429/the-relationship-between-the-distal-metatarsal-articular-angle-and-intersesamoidal-crista-an-osteological-study
#4
Megan Maddocks, Shahed Nalla, Bernhard Zipfel
BACKGROUND: As hallux valgus (HV) progresses, the first metatarsal drifts medially and the subsequent lateral drift of the sesamoids results in intersesamoidal crista erosion. This study aimed to provide a novel method of assessing crista erosion and determine if there is a relationship between that erosion and an increase in the distal metatarsal articular angle (DMAA). METHODS: The DMAA and size of the intersesamoidal crista was measured on the first metatarsals of 120 adult modern human individuals...
January 17, 2017: Foot
https://www.readbyqxmd.com/read/28146290/clinical-findings-treatment-and-outcome-in-11-dairy-heifers-with-breakdown-injury-due-to-interosseous-medius-muscle-rupture
#5
Karl Nuss, Jasmin Boppart, Hans Geyer
OBJECTIVE: To describe the diagnosis, treatment, and prognosis of fetlock breakdown due to interosseus medius muscle rupture in cattle. STUDY DESIGN: Retrospective clinical study. ANIMALS: Dairy heifers with unilateral or bilateral interosseus medius muscle rupture (n = 11). METHODS: Breakdown injury due to rupture of the interosseus medius muscle was documented clinically, radiographically, and ultrasonographically...
February 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28124292/injuries-to-the-great-toe
#6
REVIEW
Philip J York, Frank B Wydra, Kenneth J Hunt
PURPOSE OF REVIEW: Injuries to the great toe are common in athletes. While most are managed nonoperatively and allow return to sports activity, some great toe injuries are highly problematic and can impact function. The purpose of this review is to highlight several specific injuries and disease processes involving the hallux and to detail current recommendations and management options in order to help raise suspicion for injuries that can result in long-term dysfunction. RECENT FINDINGS: Toe injuries have been found to represent nearly 10% of injuries presenting to fracture clinics...
January 26, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28123909/skeletal-pathology-and-variable-anatomy-in-elephant-feet-assessed-using-computed-tomography
#7
Sophie Regnault, Jonathon J I Dixon, Chris Warren-Smith, John R Hutchinson, Renate Weller
Foot problems are a major cause of morbidity and mortality in elephants, but are underreported due to difficulties in diagnosis, particularly of conditions affecting the bones and internal structures. Here we evaluate post-mortem computer tomographic (CT) scans of 52 feet from 21 elephants (seven African Loxodonta africana and 14 Asian Elephas maximus), describing both pathology and variant anatomy (including the appearance of phalangeal and sesamoid bones) that could be mistaken for disease. We found all the elephants in our study to have pathology of some type in at least one foot...
2017: PeerJ
https://www.readbyqxmd.com/read/28119844/effect-of-radial-extracorporeal-shock-wave-therapy-in-patients-with-fabella-syndrome
#8
Pyong-Hwa Seol, Kang Wook Ha, Yun Hee Kim, Ho-Jun Kwak, Seung-Wan Park, Byung-Ju Ryu
The fabella is a small sesamoid bone generally located in the tendon of the lateral head of the gastrocnemius behind the lateral condyle of the femur. Fabella syndrome is the occurrence of posterolateral knee pain associated with the fabella. It is a rare cause of knee pain that is often misdiagnosed. Fabella syndrome can be managed with conservative or surgical treatment. We applied radial extracorporeal shock wave therapy as a new treatment strategy for fabella syndrome and achieved a successful outcome.
December 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28103730/surgical-treatment-of-moderate-hallux-valgus
#9
Maki Grle, Goran Vrgoc, Ivan Bohacek, Vladimir Hohnjec, Marko Martinac, Iva Brkic, Lovro Stefan, Zdravko Jotanovic
PURPOSE: The purpose of the study was to determine whether lateral soft-tissue release (LSTR) has a beneficial or detrimental effect on the outcome of distal Chevron first metatarsal osteotomy (DCMO) in the treatment of moderate hallux valgus (HV). METHODS: We compared the effect of different surgical treatments in 2 groups of patients: group I (23 patients, 25 feet, average age of 55 [from 43 to 77] years) was subjected to DCMO only, whereas group II (18 patients, 23 feet, average age of 59 [from 52 to 70] years]) was subjected to DCMO with LSTR...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28098667/18f-naf-pet-ct-in-symptomatic-fabella-syndrome
#10
Sharjeel Usmani, Fahad Marafi, Najeeb Ahmed, Fareeda Al Kandari
Fabella is a sesamoid bone, located within the tendon of the lateral head of the gastrocnemius muscle. It may be associated with posterolateral knee pain because of repetitive friction over the posterolateral femoral condyle. We report a case of a 64-year-old woman presenting with right posterolateral knee pain. F-NaF PET-CT demonstrated increased uptake posterior to the right knee joint localizing to a fabella. Standard examination and radiographic imaging excluded other causes for posterolateral knee pain, and the increased activity was considered to be secondary to fabella syndrome...
January 16, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28058662/os-peroneum-imaging-normal-appearance-and-pathological-findings
#11
REVIEW
Stefano Bianchi, Chandra Bortolotto, Ferdinando Draghi
The os peroneum (OP) is a small sesamoid bone located inside the peroneus longus tendon (PLT), close to the cuboid. The OP can be the cause of pain and can be associated with lesions of the PLT. OP involvement in PLT disorders is frequently misdiagnosed by radiologists. Painful os peroneum syndrome (POPS) refers to a variety of conditions presenting with pain localized on the lateral aspect of the cuboid area. The syndrome can be observed as a consequence of local acute trauma such as ankle sprains or chronic overuse...
February 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28026849/prevalence-and-distribution-of-fabella-a-radiographic-study-in-turkish-subjects
#12
Omer Faruk Egerci, Ozkan Kose, Adil Turan, Omer Faruk Kilicaslan, Rahime Sekerci, Nigar Keles-Celik
BACKGROUND: The purpose of this study is to examine the plain knee radiographs in Turkish subjects in order to determine the prevalence of fabella and analyze the differences between age, gender, laterality and its symmetry pattern. MATERIALS AND METHODS: Bilateral antero-posterior and lateral knee radiographs of 500 patients (250 male and 250 female subjects, 1000 knee radiographs) were randomly selected from the clinical database and retrospectively evaluated...
December 27, 2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28005292/early-results-using-a-biodegradable-magnesium-screw-for-modified-chevron-osteotomies
#13
Christian Plaass, Sarah Ettinger, Lena Sonnow, Soeren Koenneker, Yvonne Noll, Andreas Weizbauer, Janin Reifenrath, Leif Claassen, Kiriakos Daniilidis, Christina Stukenborg-Colsman, Henning Windhagen
This is the first larger study analyzing the use of magnesium-based screws for fixation of modified Chevron osteotomies in hallux valgus surgery. Forty-four patients (45 feet) were included in this prospective study. A modified Chevron osteotomy was performed on every patient and a magnesium screw used for fixation. The mean clinical follow up was 21.4 weeks. The mean age of the patients was 45.5 years. Forty patients could be provided with the implant, in four patients the surgeon decided to change to a standard metallic implant...
December 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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
#14
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
#15
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...
January 2017: Journal of Morphology
https://www.readbyqxmd.com/read/27743001/distribution-patterns-and-coincidence-of-sesamoid-bones-at-metatarsophalangeal-joints
#16
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
#17
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
#18
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
#19
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
#20
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
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