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https://www.readbyqxmd.com/read/28434539/evolutionary-anatomy-of-the-neandertal-ulna-and-radius-in-the-light-of-the-new-el-sidr%C3%A3-n-sample
#1
Laura Pérez-Criado, Antonio Rosas
This paper aims to improve our understanding of the phylogenetic trait polarity related to hominin forearm evolution, in particular those traits traditionally defined as "Neandertal features." To this aim, twelve adult and adolescent fragmented forelimb elements (including ulnae and radii) of Homo neanderthalensis recovered from the site of El Sidrón (Asturias, Spain) were examined comparatively using three-dimensional geometric and traditional morphometrics. Mean centroid size and shape comparisons, principal components analysis, and phylogenetic signal analysis were undertaken...
May 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28409134/anatomical-variations-of-pronator-teres-muscle-predispositional-role-for-nerve-entrapment
#2
Edie Benedito Caetano, Luiz Ângelo Vieira, Fábio Antonio Anversa Sprovieri, Guilherme Camargo Petta, Maurício Tadeu Nakasone, Bárbara Lívia Correa Serafim
OBJECTIVE: To assess the anatomical variations of the pronator teres muscle (PTM) and its implication in the compression of the median nerve, which passes through the humeral and ulnar heads of the PTM. METHODS: For the present study, 100 upper limbs from human cadavers from the anatomy laboratory were dissected. Forty-six specimens were male and four, female, whose aged ranged from 28 to 77 years; 27 were white and 23, non-white. A pilot study consisting of six hands from three fresh cadaver dissections was conducted to familiarize the authors with the local anatomy; these were not included in the present study...
March 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28405856/what-injury-mechanism-and-patterns-of-ligament-status-are-associated-with-isolated-coronoid-isolated-radial-head-and-combined-fractures
#3
In Hyeok Rhyou, Ji-Ho Lee, Kyung Chul Kim, Kee Baek Ahn, Seong Cheol Moon, Hyeong Jin Kim, Jung Hyun Lee
BACKGROUND: Isolated coronoid, isolated radial head, and combined coronoid and radial head fractures are common elbow fractures, and specific ligamentous injury of each fracture configuration has been reported. However, the osseous injury mechanism related to ligament status remains unclear. QUESTIONS/PURPOSES: The objectives of this study were: (1) to determine what ligamentous injury patterns (medial or lateral collateral) and bone contusion patterns (medial or lateral) are associated with isolated coronoid, isolated radial head, and combined coronoid and radial head fractures; (2) to correlate the osseous injury mechanism based on these findings with isolated coronoid, isolated radial head, and combined coronoid and radial head fractures; and (3) to determine whether isolated and combined coronoid fractures have different fracture lines through the coronoid (tip or anteromedial facet), speculated to be caused by different injury mechanisms...
April 12, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28389760/surgical-treatment-of-monteggia-variant-fracture-dislocations-of-the-elbow-in-adults-surgical-technique-and-clinical-outcomes
#4
Hosam E Matar, Pavel I Akimau, David Stanley, Amjid A Ali
PURPOSE: Monteggia variant defined as Monteggia fracture dislocation with radial head or neck fracture, coronoid fracture, ulnohumeral joint dislocation or combination of these injuries. The aim of this study was to evaluate clinical outcomes of surgical treatment of Monteggia variant fracture dislocations with focus on the operative technique and management of associated radial head fractures. METHODS: Between January 2008 and January 2014, 22 patients (7 men, 15 women) with a mean age of 58...
April 7, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28315817/a-figure-eight-suture-loop-with-kirschner-wires-for-fixation-of-anteromedial-coronoid-process-fractures-a-case-series
#5
Longxiang Shen, Xingang Yu, Biao Zhong, Jian Ding
PURPOSE: Sufficient fixation of an anterior or anteromedial facet fracture of the coronoid process in fracture-dislocation of elbow is important to maintain joint stability. The purpose of this study was to report our experience with 11 patients who were managed with an original fixation technique using a "figure-eight" suture loop. METHODS: From February 2010 to March 2011, 11 cases with a fracture of the anterior or anteromedial facet of the coronoid process were treated by coronoid fixation using a figure-eight suture loop...
February 21, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#6
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28295541/feline-felis-catus-skull-and-pelvic-morphology-and-morphometry-gender-related-difference
#7
T Pitakarnnop, K Buddhachat, T Euppayo, W Kriangwanich, K Nganvongpanit
This study demonstrates sexual dimorphism of feline bones, based on a morphometric analysis of 38 dried feline skulls and pelvic bones (20 males, 18 females). A total of 44 parameters (skull = 12, mandible = 10, pelvis = 22) were measured using a digital vernier calliper. In morphological observation of these bones, there were three hallmarks indicating a remarkable difference between sexes: the coronoid process of the mandible (accuracy rate = 88.2%); and the os coxae - caudal ventral iliac spine (accuracy rate = 94...
March 14, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28290304/ectopic-eruption-of-a-lower-permanent-molar-from-the-mediaeval-necropolis-of-alc%C3%A3-%C3%A3-ova-do-castelo-m%C3%A3-rtola-portugal
#8
Inês Leandro, Clara Rodrigues, Susana Gómez-Martínez, Cláudia Umbelino
The mediaeval necropolis of Alcáçova do Castelo is located in Mértola, Southern Portugal, and dates from the 14th to the 16th centuries. The archaeological campaigns started in 1978 and continue today, having yielded more than 759 graves. This report discusses an ectopic tooth eruption observed in skeleton 535, an adult female individual. A distal right permanent lower molar presents an ectopic eruption at the posterior margin of the coronoid process. On the opposite side, the first and second permanent molars are present, the left permanent lower third molar is absent and the mandibular ramus cannot be evaluated since it is broken off and lost...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28286752/utility-of-mri-for-characterizing-articular-cartilage-pathology-in-dogs-with-medial-coronoid-process-disease
#9
Samuel P Franklin, Emily E Burke, Shannon P Holmes
OBJECTIVE: To determine whether assessment of morphological MRI sequences or delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) would have strong correlations with arthroscopic assessment of cartilage pathology in dogs with naturally occurring medial compartment pathology of the elbow. METHODS: Dogs tentatively diagnosed with medial coronoid disease had evaluation of their affected elbows using radiography, morphological MRI sequences, and dGEMRIC MRI evaluation prior to arthroscopy...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28260178/combined-open-bipolar-monteggia-and-galeazzi-fracture-a-case-report-with-a-1-year-follow-up
#10
Christos Koutserimpas, Georg Tsironis, Antonios Salasidis, Phillipp Swatoch, Konstantin Tsironis
Monteggia and Galeazzi fractures account for 1-5% of total forearm fractures. A combined Monteggia and Galeazzi fracture is an extremely rare injury. We present a case of a Gustillo-Henderson type 2 open combined bipolar Monteggia and Galeazzi fracture, as well as fracture of the ulnar coronoid process in a 49-year old male. The patient was treated surgically, with open reduction and internal fixation. At 6 months postoperative, he was diagnosed with pseudarthrosis and underwent surgery with autologous bone grafting from the iliac crest...
March 4, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28257487/cone-beam-computed-tomography-evaluation-of-the-maxillofacial-features-of-patients-with-unilateral-temporomandibular-joint-ankylosis-undergoing-condylar-reconstruction-with-an-autogenous-coronoid-process-graft
#11
Li Liu, Jiayang Li, Huanzhong Ji, Nian Zhang, Yiyao Wang, Guangning Zheng, Hu Wang, En Luo
OBJECTIVE: To evaluate the changes in the jaws and the upper airways of unilateral temporomandibular joint ankylosis patients who underwent condylar reconstruction via autogenous coronoid process grafts using cone-beam computed tomography (CBCT). STUDY DESIGN: The 27 included patients underwent CBCT examinations at three stages: T0 (within two weeks before surgery), T1 (two weeks after surgery), and T2 (an average of 13 months after surgery). Forty items related to the maxillofacial hard tissues and the upper airway collected at the three times and the coronoid process graft volumes after surgery were compared...
2017: PloS One
https://www.readbyqxmd.com/read/28220716/the-outcome-of-coronoidectomy-in-bilateral-coronoid-process-hyperplasia
#12
Ozay Ozkaya, Ozlem Colak, Mustafa Sutcu, Mithat Akan
OBJECTIVE: Coronoid process hyperplasia (CPH) of the mandible is a rare condition that can be defined as an abnormal bony elongation of histologically normal bone with the symptoms of progressive, painless difficulty in opening the mouth. The purpose of this study is to evaluate the outcomes of five patients with CPH treated by coronoidectomy, relative to post surgery jaw function. METHODS: Five patients with CPH were included in this study. The diagnosis of CPH was confirmed by radiographic and clinical examination of the mandible...
February 21, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28219956/mineral-status-in-canine-medial-coronoid-process-disease-a-cohort-study-using-analysis-of-hair-by-mass-spectrometry
#13
M Davies, J West, C Williams, D S Gardner
In several species, developmental skeletal diseases involving abnormal endochondral ossification have been associated with imbalanced mineral intake. Hair analysis reflects long-term mineral status. To determine the mineral content of hair from dogs with or without medial coronoid process disease (MCPD). Dogs with MCPD have a different profile of minerals known to influence metalloenzymes involved in endochondral ossification. After cleansing, chelation and acid digestion of hair samples (n=79 in total: control dogs, n=70 v MCPD, n=9), mineral profile (7 major and 25 trace elements) was determined by inductively coupled plasma-mass spectrometry...
February 20, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28210412/reconstruction-of-a-combined-maxillectomy-and-segmental-mandibulectomy-defect-in-a-seven-year-old-with-a-single-free-fibula-osteocutaneous-flap
#14
Shawn T Joseph, Krishnakumar Thankappan, Subramania Iyer
Combined upper alveolectomy and segmental mandibulectomy are complex defects. Reconstruction of these defects is usually suboptimal. We describe the case of a pediatric patient with vessel-depleted neck with recurrent vascular malformation involving the ramus and coronoid process of mandible and a previous history of maxillectomy and a reconstruction with anterolateral thigh flap. The patient underwent wide resection. The defects involving the upper alveolus and mandible were simultaneously reconstructed with a single free fibula flap...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28209010/removal-of-infected-maxillary-third-molar-from-the-infra-temporal-fossa-by-caldwell-luc-procedure-rare-case-report-with-literature-review
#15
Anand Kumar, Ram Kumar Srivastava, Anurag Saxena, Ruchika Khanna, Iqbal Ali
Dentigerous or follicular cysts of odontogenic origin are innocuous benign cysts that are often linked with the crowns of permanent teeth. A dentigerous cyst circumventing permanent teeth fails to erupt and is often displaced into ectopic positions in the upper and lower jaw in the maxillofacial region. In the maxilla or upper jaw region, the impacted teeth are often displaced and/or shift into the maxillary sinus and apart from the nasal septum, mandibular condyle, coronoid process and the palate, to harbour such ectopic eruptions of teeth...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208055/fate-of-the-coronoid-process-after-coronoidotomy-and-its-effect-on-the-interincisal-opening-a-clinical-and-radiologic-assessment
#16
Sujata Mohanty, Sanchaita Kohli, Jitender Dabas, Rudra Deo Kumar, Ranjeet Bodh, Sandeep Yadav
PURPOSE: Coronoidotomy (surgical detachment of the coronoid process from the mandibular ramus) is used to treat several conditions, including coronoid hyperplasia and temporomandibular joint (TMJ) ankylosis. The stability of the outcome, however, is considered questionable because of the risk of reattachment of the coronoid process. This study aims to radiographically and clinically evaluate the long-term anatomic and physiological outcome after coronoidotomy. MATERIALS AND METHODS: In 17 patients with unilateral TMJ ankylosis, 25 coronoidotomies were performed as an additional maneuver to relieve trismus after ankylosis release...
January 20, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28185992/lasso-plate-an-original-implant-for-fixation-of-type%C3%A2-i-and%C3%A2-ii-regan-morrey-coronoid-fractures
#17
P Wang, Y Zhuang, Z Li, W Wei, Y Fu, X Wei, K Zhang
INTRODUCTION: Coronoid fractures are notoriously difficult to manage particularly when there is a small fragment. We report a retrospective analysis of our experience with consecutive type I and II Regan-Morrey coronoid fractures using a lasso plate. HYPOTHESIS: Type I and II Regan-Morrey coronoid fractures can be effectively managed using a lasso plate. METHODS: From October 2011 and December 2013, 25 patients (21 males and 4 females, mean age 40...
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28164048/rare-giant-cell-tumor-of-olecranon-bone
#18
Pawan Goyal, Vishal Gautam, Narender Saini, Yogesh Sharma
INTRODUCTION: Giant cell tumor (GCT) is a bone tumor involving epiphyseal area of bone abutting the subchondral bone. Commonly found in long bones such as proximal tibia and distal femur. We report a case of GCT of olecranon bone in a 23-year-old male. CASE REPORT: A 23-year-old patient presented to our outpatient department with pain and mild swelling at the elbow from last 2 to 3 months. On examination, it was seen that there was a moderate swelling at the tip of the olecranon...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28144599/mandibular-fractures-and-associated-factors-at-a-tertiary-care-hospital
#19
Srikanth Gadicherla, Prem Sasikumar, Satpal Singh Gill, Manish Bhagania, Abhay Taranath Kamath, Kalyana Chakravarthy Pentapati
OBJECTIVES: The aim of this study was to evaluate the distribution, etiology and type of mandibular fractures in subjects referred to our institution. METHODS: A retrospective study of 689 subjects, during the period from May 2010 to September 2013 with mandibular fractures was conducted. Information on age, gender, mechanism of injury and sites of trauma was obtained from the trauma registry. Data were tabulated and analyzed statistically. RESULTS: A total of 653 subjects had mandibular fractures, out of which 574 were males...
December 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/28127499/an-osteological-study-of-supratrochlear-foramen-of-humerus-of-south-indian-population-with-reference-to-anatomical-and-clinical-implications
#20
Shivaleela C, Khizer Hussain Afroze, Lakshmiprabha S
The supratrochlear foramen (STF) is an important and relatively common anatomic variation in the lower end of the humerus in humans. The present study on south Indian population is an attempt to highlight the incidence, morphological features and clinical importance of STF. The study was conducted on dried human humeri of unknown sex and free of pathological changes. The presence of a STF was noted for its shape and divided into three types (oval, round, and irregular). In bones where the foramen was absent the translucency of the septum between the coronoid and the radial fossa was noted by placing the lower end of the humerus against the X-ray view box...
December 2016: Anatomy & Cell Biology
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