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Medial epicondyle

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https://www.readbyqxmd.com/read/29234659/accessory-muscle-of-the-flexor-digitorum-superficialis-and-its-clinical-implications
#1
Edie Benedito Caetano, João José Sabongi Neto, Lucas Augusto Ayres Ribas, Edson Vinícius Milanello
Anatomical variations of the flexor digitorum superficialis (FDS) muscle and tendon unit are frequently reported by anatomists and clinicians. Anatomical muscle variations of the FDS and its tendons may include variations of muscle belly, presence of accessory or duplicate tendons, abnormal tendon connections, and absence of muscle or tendon components. Such variations may or may not have clinical implications. This report presents a case not described previously: a unilateral accessory muscle of the flexor digitorum superficialis which was connected by a thick tendon to the flexor digitorum superficialis muscle; it was directed proximally to the insertion of the medial epicondyle of the humerus, next to the superficialis head of the pronator teres muscle...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29230426/lateral-patellofemoral-ligament-an-anatomic-study
#2
Kalpit N Shah, Steven F DeFroda, James Kristopher Ware, Sarath C Koruprolu, Brett D Owens
Background: Medial instability of the patellofemoral joint is a rare but known phenomenon that may result from an incompetent lateral patellofemoral ligament (LPFL). Surgical reconstruction of the LPFL has been described. However, anatomic details of the ligament have not been the subject of scrutiny. Purpose: To describe the anatomic origin and insertion of the LPFL. Study Design: Descriptive laboratory study. Methods: Ten fresh-frozen, unpaired human cadaveric knees (mean age, 57 years) were dissected to identify the LPFL...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29224991/femoral-component-axial-rotation-in-the-gap-balancing-approach-to-total-knee-arthroplasty-measurement-by-computed-tomography
#3
André Y Aihara, Fabiano N Cardoso, Pedro Debiex, Antonio M Castro, Marcus V M Luzo, Artur R C Fernandes
BACKGROUND: Rotational malalignment of total knee arthroplasty (TKA) is a potential cause for revision surgery; therefore, it is important to have valid criteria for evaluation of normal component rotational alignment. Because computed tomography (CT) is considered the most accurate method to assess the rotational alignment of prosthetic components, the objectives in this study were define the femoral component (FC) rotation by measuring the posterior condylar angle (PCA) and the condylar twist angle (CTA) in a patient population that underwent gap-balancing TKA; determine the reliability of the FC rotation by using these measurements; evaluate the inter-relationship between the PCA and CTA; and finally evaluate the frequency and agreement in identification of the medial epicondyle sulcus (MES)...
December 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29216764/quantifying-the-center-of-elbow-rotation-implications-for-medial-collateral-ligament-reconstruction
#4
Kraig S Graham, Sara Golla, Sebastian V Gehrmann, Robert A Kaufmann
BACKGROUND: Medial collateral ligament (MCL) reconstruction of the elbow mandates precise characterization of where the centerline of elbow rotation projects onto the medial epicondyle (ME). A muscle-splitting approach allows the flexor-pronator muscles to remain attached to the ME and facilitates visualization of the MCL remnant, the sublime tubercle, and the ulnohumeral joint line. Knowledge of where the centerline of rotation intersects the ME relative to the ulnohumeral joint line may assist the surgeon during placement of the proximal drill hole...
December 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29213017/topographical-anatomy-of-the-pronator-teres-muscle-and-median-nerve-a-study-using-histological-sections-of-human-fetuses
#5
Shinichi Abe, Naomitsu Tomita, Masahito Yamamoto, Minako Sato, Hiroshi Abe, Gen Murakami, Jose Francisco Rodríguez-Vázquez
The median nerve passes through the humeral and ulnar heads of the pronator teres muscle (PT), although variations such as absence of the ulnar head may exist. We observed histological sections of the upper extremity from 24 embryos and fetuses. In the early stage, the PT extended between the radius and the medial epicondyle of the humerus, but no candidate for the ulnar head was found. In mid-term fetuses, the ulnar margin of the PT was attached to the elbow joint capsule. Moreover, in late-stage fetuses, a small deep part of the PT arose from the thick joint capsule of the humero-ulnar joint near the coronoid process of the ulna...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/29201310/a-neglected-markedly-displaced-medial-epicondyle-fracture-with-simultaneous-ulnar-nerve-palsy-in-an-adolescent
#6
Tamer Ahmed El-Sobky, John Fathy Haleem, Hossam Moussa Sakr, Ahmad Saeed Aly
Humeral medial epicondyle fractures constitute around 15% of pediatric elbow fractures. Up to 60% occur in association with elbow dislocations. Knowledge of potential imaging pitfalls when examining acute elbow fractures in children contributes significantly to accurate diagnosis. Nevertheless, management of missed pediatric medial epicondyle fractures has rarely been reported. We present an 11-year-old boy with a neglected and severely displaced medial epicondyle fracture with concurrent ulnar nerve palsy...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29193820/osteology-and-radiological-anatomy-of-the-thoracic-limbs-of-temminck-s-ground-pangolin-smutsia-temminckii
#7
Christine Steyn, John T Soley, Martina R Crole
Temminck's ground pangolin is the only pangolin present in South Africa. It is a myrmecophagous mammal with a bipedal gait. The thoracic limbs are used to break open ant nests, dig for food and expand previously occupied burrows. This study describes the osteology and radiological anatomy of the thoracic limbs of this threatened species. Thoracic limbs from four Temminck's ground pangolins, which succumbed from electrocution or natural causes, were digitally radiographed in situ. The individual bones were then cleaned, described and digitally radiographed...
November 28, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29181396/isometric-tunnel-placement-in-ulnar-collateral-ligament-reconstruction-with-single-ct-scan
#8
Erica Kholinne, Rizki Fajar Zulkarnain, Arnold Adikrishna, Bin Zhu, Han Pyo Hong, In-Ho Jeon
Background: Isometric tunnel placement for anterior bundle of the medial collateral ligament (MCL) reconstruction is mandatory for successful surgery. Purpose: This study aimed to demonstrate a useful method for identifying isometric tunnel placement using a single computed tomography (CT) scan. Study Design: Descriptive Laboratory Study. Methods: Five normal elbows were scanned at 4 different flexion angles at 45° increment...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29117014/what-s-new-in-pediatric-upper-extremity-sports-injuries
#9
Jennifer J Beck, Connor G Richmond, Marc A Tompkins, Ann Heyer, Kevin G Shea, Aristides I Cruz
BACKGROUND: Sports injuries are common in pediatric and adolescent patients and the evaluation and treatment of these injuries continues to evolve. The purpose of this review is to provide a comprehensive appraisal of the most recent literature, highlighting updates on sports-related upper extremity injuries in pediatric patients. METHODS: An electronic search of the PubMed, EMBASE, and Google Scholar databases was performed for keywords related to pediatric overhead athletes, osteochondritis dissecans (OCD) of the capitellum, medial epicondyle fractures, shoulder instability, and clavicle fractures...
November 7, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29075520/the-feasibility-of-using-high-resolution-ultrasonography-to-assess-ulnar-nerve-in-patients-with-diabetes-mellitus
#10
Jun Chen, Chun-Lei Wang, Shan Wu, Shan He, Jun Ren
OBJECTIVE: The aim of this study was to investigate the usefulness of high-resolution ultrasonography for the diagnosis of polyneuropathy in diabetes mellitus patients by the examination of the ulnar nerves. METHOD: We recruited 100 healthy age-matched volunteers (50 women and 50 men) with 200 arms without diabetes or cubital tunnel syndrome as the control group. We assessed the upper limbs of 100 diabetes mellitus patients (45 women and 55 men), 40 of whom had electrophysiologically confirmed diabetic peripheral neuropathy and 60 had no diabetic peripheral neuropathy in the upper limbs...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29073240/the-course-of-the-radial-nerve-in-the-distal-humerus-a-novel-anatomy-based-radiographic-assessment
#11
H P Theeuwes, B van der Ende, J W Potters, A J Kerver, J H J M Bessems, G-J Kleinrensink
METHODS AND FINDINGS: Measurements were done on both arms of ten specially embalmed specimens. Arms were dissected and radiopaque wires attached to the radial nerve in the distal part of the upper arm. Digital radiographs were obtained to determine the course of the radial nerve in the distal 20 cm of the humerus in relation to bony landmarks; medial epicondyle and capitellum-trochlea projection (CCT). Analysis was done with ImageJ and Microsoft Excel software. We also compared humeral nail specifications from different companies with the course of the radial nerve to predict possible radial nerve damage...
2017: PloS One
https://www.readbyqxmd.com/read/29064541/hypertrophic-reversed-palmaris-longus-muscle-a-cadaveric-finding
#12
Lucas Pires, Jan-Peter Perissé, Gabriel Costa Serrão Araújo, Jorge Manaia, Albino Fonseca Júnior, Marcio Antonio Babinski
Variations of the forearm musculature are vastly described in the literature. The palmaris longus muscle is one of the most variable structures of the human body. It usually rises from the medial epicondyle of the humerus and inserts itself into the palmar aponeurosis. Anatomy textbooks and recent papers state that this muscle may act as a weak wrist flexor. The present work aims to report an anatomical variation where the palmaris longus muscle was abnormally hypertrophied and was completely fleshy throughout the whole forearm...
October 24, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29054383/arthroscopic-surgical-treatment-of-medial-epicondylitis
#13
Alexandre Tadeu do Nascimento, Gustavo Kogake Claudio
BACKGROUND: The study purpose was to evaluate the outcomes of patients who received arthroscopic surgical treatment for medial epicondylitis refractory to conservative treatment. METHODS: This was a retrospective study of 7 patients who underwent arthroscopic surgical débridement of the common flexor tendon for treatment of medial epicondylitis refractory to conservative treatment. The patients were assessed using the Disabilities of the Arm, Shoulder and Hand score; visual analog scale for pain; and Short Form 36 Health Survey...
October 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29051873/median-nerve-entrapment-after-elbow-dislocation-and-the-role-of-ultrasonography-a-case-report
#14
Vivek Dubey, Ali Saify, Ashwin Samant, Sunil Shahane
INTRODUCTION: Median nerve entrapment in the cases of posterior dislocation of elbow is a rare entity. The diagnosis is usually delayed. We describe here a case of median nerve entrapment in the posteromedial dislocation of elbow in a 10-year-old male child and the role of ultrasonography (USG) in localizing the median nerve in the elbow. The nerve release was done by osteotomy of medial epicondyle. USG thus proved to be a useful tool in the management of nerve injury. CASE REPORT: The authors present here a case of 10-year-old child with a history of dislocation of right elbow that was reduced elsewhere and the child presented to us with stiffness and restriction of movements at the elbow with the features of high median nerve injury...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29049267/variation-among-pediatric-orthopaedic-surgeons-when-treating-medial-epicondyle-fractures
#15
Meghan Hughes, Karan Dua, Nathan N O'Hara, Brian K Brighton, Theodore J Ganley, William L Hennrikus, Martin J Herman, Joshua E Hyman, J Todd Lawrence, Charles T Mehlman, Kenneth J Noonan, Norman Y Otsuka, Richard M Schwend, M Wade Shrader, Brian G Smith, Paul D Sponseller, Joshua M Abzug
BACKGROUND: Medial epicondyle fractures are a common pediatric and adolescent injury accounting for 11% to 20% of elbow fractures in this population. This purpose of this study was to determine the variability among pediatric orthopaedic surgeons when treating pediatric medial epicondyle fractures. METHODS: A discrete choice experiment was conducted to determine which patient and injury attributes influence the management of medial epicondyle fractures by pediatric orthopaedic surgeons...
October 18, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29022039/paediatric-supracondylar-humeral-fractures-a-technique-for-safe-medial-pin-passage-with-zero-incidence-of-iatrogenic-ulnar-nerve-injury
#16
Chin Yee Woo, Han Loong Ho, Mohammad Bin Zainuddin Ashik, Kevin Boon Leong Lim
INTRODUCTION: The cross Kirschner wire (k-wire) configuration in closed reduction and percutaneous pinning of paediatric supracondylar humeral fracture afford superior stability. However, medial pin placement presents a risk of iatrogenic ulnar nerve injury. This study describes, in step-by-step detail, another safe method of percutaneous medial pin insertion. METHODS: The technique involved placing the patient's arm in external rotation, with elbow flexed no more than 45° after closed reduction...
October 12, 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/29016187/quantitative-and-qualitative-analysis-of-the-medial-patellar-ligaments-an-anatomic-and-radiographic-study
#17
Bradley M Kruckeberg, Jorge Chahla, Gilbert Moatshe, Mark E Cinque, Kyle J Muckenhirn, Jonathan A Godin, Taylor J Ridley, Alex W Brady, Elizabeth A Arendt, Robert F LaPrade
BACKGROUND: The qualitative and quantitative anatomy of the medial patellar stabilizers has been reported; however, a quantitative analysis of the anatomic and radiographic attachments of all 4 ligaments relative to anatomic and osseous landmarks, as well as to one another, has yet to be performed. PURPOSE: To perform a qualitative and quantitative anatomic and radiographic evaluation of the medial patellofemoral ligament (MPFL), medial patellotibial ligament (MPTL), medial patellomeniscal ligament (MPML), and medial quadriceps tendon femoral ligament (MQTFL) attachment sites, with attention to their relationship to pertinent osseous and soft tissue landmarks...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28990574/an-evidence-based-evaluation-on-the-use-of-platelet-rich-plasma-in-orthopedics-a-review-of-the-literature
#18
Nasir Hussain, Herman Johal, Mohit Bhandari
Within orthopedics, the use of platelet-rich plasma (PRP) has been rapidly increasing in popularity, however, its true effectiveness has yet to be fully established. Several studies find that injecting PRP to the site of injury does not provide any significant benefit with respect to clinical outcomes; however, many others report the contrary. Due to the conflicting evidence and multiple meta-analyses conducted on the topic, a literature review of high-quality evidence on the use of PRP for common orthopaedic conditions was performed...
2017: SICOT-J
https://www.readbyqxmd.com/read/28936378/a-novel-type-of-coracobrachialis-muscle-variation-and-a-proposed-new-classification
#19
Georgi P Georgiev, Boycho Landzhov, R Shane Tubbs
During a routine anatomical dissection in the right brachium of a 75-year-old male cadaver, a novel variation of the coracobrachialis muscle (CB) was discovered. It consisted of three parts: proximal, starting from the upper border of the scapula; medial, presenting the well-accessed CB; and distal, formed by a proximal tendinous part that arose from the coracoid process and then transitioned into a well-defined muscle body and a distal tendinous part attached to the medial epicondyle. We also present a new systematic classification of CB variations, dividing them into two simple groups...
July 13, 2017: Curēus
https://www.readbyqxmd.com/read/28932488/medial-elbow-pain
#20
REVIEW
Raul Barco, Samuel A Antuña
Medial elbow pain is uncommon when compared with lateral elbow pain.Medial epicondylitis is an uncommon diagnosis and can be confused with other sources of pain.Overhead throwers and workers lifting heavy objects are at increased risk of medial elbow pain.Differential diagnosis includes ulnar nerve disorders, cervical radiculopathy, injured ulnar collateral ligament, altered distal triceps anatomy or joint disorders.Children with medial elbow pain have to be assessed for 'Little League elbow' and fractures of the medial epicondyle following a traumatic event...
August 2017: EFORT open reviews
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