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cadaver dissection

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https://www.readbyqxmd.com/read/28922462/vaginal-mesh-repair-systems-for-pelvic-organ-prolapse-anatomical-study-comparing-transobturator-trangluteal-versus-single-incision-techniques
#1
Giuseppe Campagna, Giovanni Panico, Andrea Morciano, Pierre Gadonneix, Vincent Delmas, Mauro Cervigni, Alfredo Ercoli, Giovanni Scambia
INTRODUCTION: The present study aim to compare the anatomic landmarks of two pelvic floor repair systems, in order to identify the potential neurovascular lesions related to different mesh fixation techniques. METHODS: Abdominal and perineal dissections of 10 fresh cadavers after prolapse surgery using transobturator/transgluteal versus single incision techniques. Neuro-vascular structures of obturator region and perineum were isolated. Distances between needles and anatomical structures were measured...
September 18, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28920546/blood-supply-and-vascularity-of-the-glenoid-labrum-its-clinical-implications
#2
Abduelmenem Alashkham, Abdulrahman Alraddadi, Paul Felts, Roger Soames
BACKGROUND: Tears of the glenoid labrum are common after dislocation of the glenohumeral joint. The outcome for healing or surgical reconstruction of the glenoid labrum relies on the extent of its vascularization. This study aims to evaluate the glenoid labrum blood supply and to determine its regional vascularity. MATERIALS AND METHODS: A total of 140 shoulders (30 male and 40 female cadavers) were examined: mean age 81.5 years, range 53-101 years. All blood vessels around the glenohumeral joint were dissected and recorded...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28918071/the-masseteric-nerve-an-anatomical-study-in-thai-population-with-an-emphasis-on-its-use-in-facial-reanimation
#3
Apichai Angspatt, Chirayu Pannanusorn
BACKGROUND: The use of the masseteric nerve has been escalated as a donor nerve for facial reanimation in facial palsy patient (Wang et al., 2014; Manktelow et al., 2006; Klebuc, 2011; Bianchi et al., 2012; Zuker et al., 2000; Bae et al., 2006; Terzis, Konofaos, 2013; Terzis, Olivares, 2009; Bianchi et al., 2014). Previous studies had been done in Euro-Caucasian cadavers (Kaya et al., 2014). However, difference in anatomical details does exist between Asian and Euro-Caucasian population (Tzou et al...
September 13, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28915916/effects-of-a-silent-mentor-initiation-ceremony-and-dissection-on-medical-students-humanity-and-learning
#4
Ruei-Jen Chiou, Po-Fang Tsai, Der-Yan Han
OBJECTIVES: Many medical schools in Taiwan have adopted a dignified "silent mentor" initiation ceremony to strengthen student's medical humanity and increase their learning attitudes. This ceremony consists of introductions of the body donor's conduct and deeds, wreath-laying, and a tea party. However, few empirical studies have examined the influences of the ceremony and dissection on medical humanity. This study explored if the initiation ceremony and the course can help students care more about others, develop more positive attitudes toward death, improve learning effectiveness in the course, and decrease negative emotions the first time they see a cadaver...
September 16, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28906587/vascularized-thumb-metacarpal-periosteal-pedicled-flap-for-scaphoid-nonunion-an-anatomical-study-and-pediatric-case-report
#5
Sergi Barrera-Ochoa, Gerardo Mendez-Sanchez, Alfonso Rodriguez-Baeza, Jorge Knörr, Jayme Augusto Bertelli, Francisco Soldado
PURPOSE: Through an anatomical review, the primary aim of this study was to delineate the dorsal thumb metacarpal (TM) periosteal branches of the radial artery (RA). In addition, we report here the clinical utility of a vascularized TM periosteal pedicled flap (VTMPF), supplied by the first dorsal metacarpal artery (FDMA), in a complex case of scaphoid nonunion. METHODS: Ten latex-colored upper limbs from fresh human cadavers were used. Branches of the RA were dissected under 3x loupe magnification, noting the periosteal branches arising from the FDMA...
September 14, 2017: Microsurgery
https://www.readbyqxmd.com/read/28890314/bilateral-clavicular-attachment-of-omohyoid-muscle
#6
N Singh, M Kathole, J Kaur, V Mehta, R K Suri, G Rath, M Kohli
Omohyoid muscle present in cervical region is of particular importance to anatomists as it defines anteriorly the carotid triangle and divides the posterior cervical triangle. It has superior and inferior bellies and an intermediate common tendon. Like sternohyoid, sternothyroid and thyrohyoid muscles, omohyoid is also an infrahyoid muscle, but it differs from them in its course. The infrahyoid muscles are formed from a muscle primordium occurring in the anterior cervical area. Anderson (Anderson, 1881) theorized that the superior belly of the omohyoid muscle is a true infrahyoid muscle, whereas the inferior belly most likely shares a common embryology with the subclavius muscle...
September 7, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28886737/students-as-anatomy-near-peer-teachers-a-double-edged-sword-for-an-ancient-skill
#7
Nomy Dickman, Alon Barash, Shmuel Reis, David Karasik
BACKGROUND: A near-peer instructors (NPI) program was designed for 1st year medical students who successfully finished the Anatomy course, in order to develop their didactic ability and teaching skills, mostly for cadaver dissection. METHODS: Graduates of the training program were administered a voluntary survey at the end of the program, annually. Best graduates of the training program were offered a NPI position in the next academic year. They were evaluated by the first-year students, at the end of the Anatomy block...
September 8, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28881424/anatomic-relationship-of-the-first-olfactory-neuron-and-trochlea-cadaveric-study-with-surgical-implications
#8
Philip Locker, Max Plitt, Peter Papagiannopoulos, Ryan Smith, Bobby A Tajudeen
BACKGROUND: Iatrogenic injury to the trochlea is a potential complication of the Draf III or endoscopic modified Lothrop procedure; however, the location of the trochlea from within the sinus cavity has yet to be clearly characterized. We performed the first cadaveric study assessing the position of the trochlea in relation to the first olfactory neuron, a commonly identified landmark during the Draf III procedure. METHODS: Thirteen external dissections of the trochlea were performed on 7 disarticulated cadaveric heads via an extended Lynch type incision...
September 7, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28868643/comparison-of-radiography-and-computed-tomography-to-evaluate-fractures-of-the-canine-tarsus
#9
Danielle Butler, Sarah Nemanic, Jennifer J Warnock
Detection and accurate classification of traumatic tarsal fractures are important for identifying cases requiring surgical intervention. The aim of this prospective, experimental, methods comparison study was to directly compare the accuracy, sensitivity, and specificity of tarsal computed tomography (CT), ten-view and two-view digital radiographs for detecting traumatic fractures of the canine tarsus. The working hypothesis was that tarsal fractures would be detected with higher accuracy, sensitivity, and specificity using CT imaging compared to radiography, and a ten-view would be superior to a two-view radiographic study...
September 3, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28866812/the-pyramidalis-anterior-pubic-ligament-adductor-longus-complex-plac-and-its-role-with-adductor-injuries-a-new-anatomical-concept
#10
Ernest Schilders, Srino Bharam, Elan Golan, Alexandra Dimitrakopoulou, Adam Mitchell, Mattias Spaepen, Clive Beggs, Carlton Cooke, Per Holmich
PURPOSE: Adductor longus injuries are complex. The conflict between views in the recent literature and various nineteenth-century anatomy books regarding symphyseal and perisymphyseal anatomy can lead to difficulties in MRI interpretation and treatment decisions. The aim of the study is to systematically investigate the pyramidalis muscle and its anatomical connections with adductor longus and rectus abdominis, to elucidate injury patterns occurring with adductor avulsions. METHODS: A layered dissection of the soft tissues of the anterior symphyseal area was performed on seven fresh-frozen male cadavers...
September 2, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28865572/torsional-appearance-of-the-anterior-cruciate-ligament-explaining-ribbon-and-double-bundle-concepts-a-cadaver-based-study
#11
Thibaut Noailles, Philippe Boisrenoult, Matthieu Sanchez, Philippe Beaufils, Nicolas Pujol
PURPOSE: To investigate the effect of the anterior cruciate ligament (ACL) torsion in 90° knee flexion on the morphological appearance of the ACL. METHODS: Sixty knees from fresh frozen anatomical specimens were dissected. Eighteen knees were excluded according to selection criteria (torn ACL, mucoid degeneration of the ACL, arthritic lesions of the notch, or knees harboring synovial inflammatory pathologies). After the removal of the synovial membrane, the morphology of the ligamentous fibers of the ACL and the twist were analyzed...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28863111/the-endoscopic-prelacrimal-recess-approach-to-the-pterygopalatine-fossa-and-infratemporal-fossa
#12
Li Gao, Lei Zhou, Zhengshou Dai, Xinsheng Huang
PURPOSE: The authors studied the anatomic importance of the endoscopic prelacrimal recess approach (PLRA) to the pterygopalatine fossa (PPF) and infratemporal fossa (ITF). METHODS: Ten adult heads (20 sides) from cadavers fixed in formalin were dissected using the PLRA. Anatomic dissections were detailed and several crucial landmarks measured. RESULTS: Identification of the infraorbital neurovascular bundle is the crucial step for the detection of other branches of the maxillary artery...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28863109/surgical-landmark-of-mandible-angle-in-the-identification-of-cervical-spinal-level
#13
Wang-Mi Liu, Qian Chen, Yun Liang, Chong Bian, Jian-Ming Huang, Jian Dong
Mandible angle is considered to be a consistently palpable external landmark for the identification of cervical spinal level by a radiographic study. But this anatomical study aimed to determine the positional relationship between mandible angle and cervical spinal level in cadavers. In this study, the cervical spine of 10 adult cadavers with intact head and neck structure, including 6 males and 4 females, was dissected, and the position of mandible angle (MA) relative to the corresponding cervical spinal level was measured when the head was fixed in the flexion, anatomy position, and extension...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28858386/ultrasonographic-identification-of-the-dorsal-atlantoaxial-ligament-in-dogs
#14
Felipe de Vicente, Gawain Hammond
OBJECTIVE: To determine the ability to identify the dorsal atlantoaxial ligament during ultrasonographic examination of dogs. STUDY DESIGN: Canine cadaveric study. SAMPLE POPULATION: Canine cervical spines (n = 35). METHODS: Thirty-five canine cadavers with an estimated body weight of 6-35 kg were retrieved. Five cervical spines were dissected to assess the length and thickness of the dorsal atlantoaxial ligament and correlate ultrasound-guided injection of ink with anatomical dissection...
August 31, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28843404/morphometric-analysis-of-temporomandibular-joint-elements
#15
Audrey E Paglio, Aaron P Bradley, R Shane Tubbs, Marios Loukas, Piotr B Kozlowski, Anthony C Dilandro, Yujiro Sakamoto, Joe Iwanaga, Cameron Schmidt, Anthony V D'Antoni
PURPOSE: To study the morphology of temporomandibular joint (TMJ) elements and examine the feasibility of a novel biofidelic articular disc casting technique. METHODS: 18 formalin-fixed cadavers (77.8% female, 22.2% male) with mean (SD) death age of 71.9 (13.7) years were used for this study. In each specimen the masseter muscle, mandibular ramus, and articular disc were dissected bilaterally and measured for length, width, and thickness. All anatomic measurements were made using a digital slide caliper (Hawk Inc...
July 25, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28841605/anatomical-and-clinical-implications-of-the-deep-and-superficial-fat-compartments-of-the-neck
#16
Andrew A Gassman, Ronnie Pezeshk, Jack F Scheuer, David A Sieber, Carrie F Campbell, Rod J Rohrich
Anatomical study has proven vital to the understanding and improvement of rejuvenation techniques of the face and neck. The microscopic septa responsible for individual facial fat compartments are also present in the neck. The authors' anatomical studies of the neck, including supraplatysmal and subplatysmal elements, have influenced their surgical and nonsurgical techniques. Careful muscular resuspension and modification of both deep and superficial fat compartments can lead to impressive and lasting aesthetic outcomes...
September 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28836846/a-technique-of-needle-redirection-at-a-single-craniolateral-site-for-injection-of-three-compartments-of-the-equine-stifle-joint
#17
Meredith R A Herdrich, Shelby E Arrieta, Brad B Nelson, David D Frisbie, Valerie J Moorman
OBJECTIVE To determine accuracy for a technique of needle redirection at a single craniolateral site for injection of 3 compartments of the equine stifle joint, describe the external needle position, and identify the location of the needle tip within each joint compartment. SAMPLE 24 equine cadaver stifle joints. PROCEDURES Stifle joints were placed in a customized stand. After the needle was placed, external needle position was measured and recorded. Each joint compartment (medial and lateral compartments of the femorotibial joint and the femoropatellar joint) was injected with a solution containing iodinated contrast medium, water, and dye...
September 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28823002/lymphatic-drainage-of-lung-segments-in-the-visceral-pleura-a-cadaveric-study
#18
Alex Fourdrain, Sophie Lafitte, Jules Iquille, Florence De Dominicis, Eric Havet, Johann Peltier, Patrick Bagan, Pascal Berna
PURPOSE: Although peribronchial lymphatic drainage of the lung has been well characterized, lymphatic drainage in the visceral pleura is less well understood. The objective of the present study was to evaluate the lymphatic drainage of lung segments in the visceral pleura. METHODS: Adult, European cadavers were examined. Cadavers with a history of pleural or pulmonary disease were excluded. The cadavers had been refrigerated but not embalmed. The lungs were surgically removed and re-warmed...
August 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28822473/influence-of-spinal-manipulative-therapy-force-magnitude-and-application-site-on-spinal-tissue-loading-a-biomechanical-robotic-serial-dissection-study-in-porcine-motion-segments
#19
Martha Funabashi, François Nougarou, Martin Descarreaux, Narasimha Prasad, Greg Kawchuk
OBJECTIVE: In order to define the relation between spinal manipulative therapy (SMT) input parameters and the distribution of load within spinal tissues, the aim of this study was to determine the influence of force magnitude and application site when SMT is applied to cadaveric spines. METHODS: In 10 porcine cadavers, a servo-controlled linear actuator motor provided a standardized SMT simulation using 3 different force magnitudes (100N, 300N, and 500N) to 2 different cutaneous locations: L3/L4 facet joint (FJ), and L4 transverse processes (TVP)...
July 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28819052/dolphin-blubber-axial-muscle-shear-implications-for-rigid-trans-dermal-intra-muscular-tracking-tag-trauma-in-whales
#20
Michael J Moore, Alexandre N Zerbini
Whale tracking tags often penetrate semi-rigid blubber, with intramuscular sharp tips and toggling barbs under the subdermal sheath to reduce premature shedding. Tag sites can show persistent regional swellings or depressions. Fibroelastic blubber grips a tag, so if muscle shears relative to blubber during locomotion, the tag tip could cavitate the muscle within overall shearing distance. We modelled shearing of blubber relative to muscle, within the dorsal-ventral peduncular movement range of four common dolphin (Delphinus delphis) cadavers (mean length 186 cm)...
August 17, 2017: Journal of Experimental Biology
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