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cadaver dissection

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https://www.readbyqxmd.com/read/27909799/thyroid-gland-visualization-with-3d-4d-ultrasound-integrated-hands-on-imaging-in-anatomical-dissection-laboratory
#1
John L Carter, Ankura Patel, Gabriel Hocum, Brion Benninger
PURPOSE: In teaching anatomy, clinical imaging has been utilized to supplement the traditional dissection laboratory promoting education through visualization of spatial relationships of anatomical structures. Viewing the thyroid gland using 3D/4D ultrasound can be valuable to physicians as well as students learning anatomy. The objective of this study was to investigate the perceptions of first-year medical students regarding the integration of 3D/4D ultrasound visualization of spatial anatomy during anatomical education...
December 1, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27909613/the-novel-laparoscopic-training-3d-model-in-urology-with-surgical-anatomic-remarks-fresh-frozen-cadaveric-tissue
#2
REVIEW
Emre Huri, Mehmet Ezer, Eddie Chan
Laparoscopic surgery is routinely used to treat many urological conditions and it is the gold standard treatment option for many surgeries such as radical nephrectomy. Due to the difficulty of learning, laparoscopic training should start outside the operating room. Although it is a very different model of laparoscopic training; the aim of this review is to show the value of human cadaveric model for laparoscopic training and present our experience in this area. Fresh frozen cadaveric model in laparoscopic training, dry lab, cadaveric model, animal models and computer based simulators are the most commonly used models for laparoscopic training...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27909590/location-of-needle-tips-on-plexus-brachialis-in-different-supraclavicular-block-techniques-a-cadaver-study
#3
Senem Akpınar, Halil İbrahim Açar, Ayhan Cömert, Bülent Şam, Alaittin Elhan
OBJECTIVE: The present study was performed on cadavers to evaluate the efficacy of the different supraclavicular block techniques (Vongvises, Dalens, plumb-bob and inter-SCM) by investigating the location of the needle tip on the brachial plexus and to determine the most suitable block techniques according to the site of the surgery. METHODS: The study was performed on one embalmed and nine fresh cadavers. After the dissection, the skin of the cadavers was restored in its original position...
August 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27906938/technical-strategies-and-anatomic-considerations-for-an-extrapedicular-modified-inferior-endplate-access-to-thoracic-and-lumbar-vertebral-bodies
#4
Douglas P Beall, Blake Parsons, Scott Burner
BACKGROUND: Percutaneous access to the vertebral bodies is commonly done via the transpedicular approach for both diagnoses and treatment of spinal pathology. While this approach is effective in most cases, it is difficult in certain situations such as a patient with obstructing hardware from prior surgery. OBJECTIVES: To investigate and illustrate an alternative to the typical percutaneous access to the vertebral body via an extrapedicular approach and to determine the complications associated with this approach...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27899369/topography-of-the-supraorbital-nerve-with-reference-to-the-lacrimal-caruncle-danger-zone-for-direct-browplasty
#5
Young-Chun Gil, Kang-Jae Shin, Shin-Hyo Lee, Wu-Chul Song, Ki-Seok Koh, Hyun Jin Shin
PURPOSE: To elucidate the course of the supraorbital nerve (SON) with reference to the lacrimal caruncle in order to facilitate safer direct browplasty by preventing nerve injury. METHODS: Thirty-four hemifaces from 18 embalmed Korean cadavers were dissected. A vertical line through the upmost point of the lacrimal caruncle and a horizontal line through the supraorbital margin were used as the horizontal and vertical reference positions, respectively. The course of the SON in the frontal view and the point at which it pierced the overlaying musculature were examined...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27898454/transvaginal-pelvic-floor-muscle-injection-technique-a-cadaver-study
#6
Priyanka Gupta, Michael Ehlert, Larry T Sirls, Kenneth Peters
INTRODUCTION: Women with pelvic floor dysfunction can have tender areas on vaginal examination, which can be treated with trigger-point injections. There are no publications to evaluate the accuracy of pelvic floor muscle injections. METHODS: Trigger-point injections were performed on 2 fresh cadaveric pelvises using a curved nasal cannula guide and 7-in spinal needle. This was performed using our standard template of 2 sets of injections at the 1-, 3-, and 5-o'clock positions distally and proximally...
November 28, 2016: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/27893628/watershed-areas-in-face-transplantation
#7
Bahar Bassiri Gharb, Russell S Frautschi, Brianna C Halasa, Gaby D Doumit, Risal S Djohan, Steven L Bernard, Brian R Gastman, Maria Z Siemionow, Francis A Papay, Antonio Rampazzo
BACKGROUND: Maxillary artery has traditionally been considered the main blood supply of the facial skeleton. However, the deep and concealed location makes the harvest of facial allografts based on this artery challenging, giving preference to the facial artery. There is growing evidence that the junction between the hard and soft palate may represent a watershed area in facial artery based allografts. The aim of this study was to review the occurrence of partial allograft necrosis and modify the available craniofacial techniques allowing for a reliable harvest of maxillary artery based facial allografts...
November 21, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27892880/mri-cross-sectional-atlas-of-normal-canine-cervical-musculoskeletal-structure
#8
M Alizadeh, C Zindl, M J Allen, G G Knapik, N Fitzpatrick, W S Marras
Although magnetic resonance imaging (MRI) has been increasingly used as a diagnostic tool for cervical spine injuries in canines, a comprehensive normal MRI anatomy of the canine cervical spine muscles is lacking. Therefore, the purpose of this study was to build a magnetic resonance imaging atlas of the normal cross sectional anatomy of the muscles of the canine cervical spine. MRI scans were performed on a canine cadaver using a combination of T1 and T2-weighted images in the transverse, sagittal and dorsal planes acquired at a slice thickness of 1mm...
September 30, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27890317/supernumerary-heads-to-biceps-brachii-muscle-and-asian-population-history
#9
N Techataweewan, Y Toomsan, C Maneenin, N Tungsrithong, N Tayles
Supernumerary heads of biceps brachii are one of the most common anatomic variants in the muscular system and appear to develop under genetic control and vary in prevalence among populations. Variation in prevalence and morphology therefore has the potential to contribute to understanding of human population history. Until now, there has been no publication of the prevalence of the variant in Southeast Asian populations. The aim of this research is to document the prevalence and morphology of the variant in a sample of Thai cadavers and to consider the significance of the findings...
October 1, 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/27888641/carotid-artery-and-lower-cranial-nerve-exposure-with-increasing-surgical-complexity-to-the-parapharyngeal-space
#10
Ana M Lemos-Rodriguez, Satyan B Sreenath, Rounak B Rawal, Lewis J Overton, Zainab Farzal, Adam M Zanation
OBJECTIVES/HYPOTHESIS: To investigate the extent of carotid artery exposure attained, including the identification of the external carotid branches and lower cranial nerves in five sequential external approaches to the parapharyngeal space, and to provide an anatomical algorithm. STUDY DESIGN: Anatomical study. METHODS: Six latex-injected adult cadaver heads were dissected in five consecutive approaches: transcervical approach with submandibular gland removal, posterior extension of the transcervical approach, transcervical approach with parotidectomy, parotidectomy with lateral mandibulotomy, and parotidectomy with mandibulectomy...
November 26, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27882435/a-new-anatomical-classification-of-the-bronchial-arteries-based-on-the-spatial-relationships-to-the-esophagus-and-the-tracheobronchus
#11
Ken Hayasaka, Hajime Ishida, Ryosuke Kimura, Tadashi Nishimaki
PURPOSE: To reveal the patterns of the mediastinal course of the bronchial arteries (BAs). METHODS: The BAs were dissected to determine the positional relationships of their mediastinal courses with the tracheobronchus and the esophagus in 72 adult cadavers. RESULTS: The mediastinal courses of the 227 BAs found in this study were classified into 4 types. There were 61 and 163 BAs passing the right side (Type I) and the left side (Type II reaching dorsal surface (n = 98), or Type III reaching ventral surface (n = 65) of the tracheobronchus) of the esophagus, respectively...
November 23, 2016: Surgery Today
https://www.readbyqxmd.com/read/27878340/anatomical-risk-evaluation-of-iatrogenic-injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-medial-meniscus-arthroscopic-surgery
#12
Guillaume Koch, Agathe Kling, Nitin Ramamurthy, Faramarz Edalat, Roberto Luigi Cazzato, Jean-Luc Kahn, Julien Garnon, Philippe Clavert
PURPOSE: To determine the relationship of the medial meniscus with the infrapatellar branches of the saphenous nerve, the primary goal is to define and characterize different risk areas for these nerves during medial meniscus surgery. METHODS: After dissecting 20 embalmed cadaver knees, we defined 7 readily identifiable anatomical landmarks. For each knee, we recorded 2 morphological criteria and 16 measurements. RESULTS: The most common anatomical course is a main trunk that is 8 mm anterior to the tuberculum adductorium and 60 mm posterior to the midpoint of the medial patellar margin...
November 22, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27875620/a-reliable-technique-for-us-guided-perineural-injection-in-ulnar-neuropathy-at-the-elbow
#13
Ulrike M Hamscha, Ines Tinhofer, Stefan Heber, Wolfgang Grisold, Wolfgang J Weninger, Stefan Meng
INTRODUCTION: Ulnar neuropathy at the elbow (UNE) is a common peripheral compression neuropathy and in most cases occurs at 2 sites, the retroepicondylar groove or the cubital tunnel. With regard to a potential therapeutic approach with perineural corticosteroid injection the aim of this study was to evaluate the distribution of injection fluid applied at a standard site. METHODS: We performed ultrasound-guided (US-guided) perineural injections to the ulnar nerve halfway between the olecranon and the medial epicondyle in 21 upper limbs from 11 non-embalmed cadavers...
November 22, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27867546/transoral-endoscopic-mediastinal-surgery-toems-results-of-a-first-clinical-study-for-scarless-mediastinal-lymph-node-biopsies
#14
Wolfram Klemm, Steffen Frese, Gunda Leschber, André Nemat, Thomas Wilhelm
BACKGROUND: Video-assisted mediastinoscopy (VAM) represents the standard procedure for mediastinal lymph node biopsies. This operation results in a scar at prominent position at the anterior neck. Since there is a trend to less invasive procedures, natural orifice transluminal endoscopic surgery (NOTES) was introduced to different fields of surgery. Based on NOTES we developed a new approach for mediastinoscopy: transoral endoscopic mediastinal surgery (TOEMS). In previous studies using human cadavers and living pigs the feasibility of TOEMS was shown...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27866885/surgical-planning-for-flexor-digitorum-longus-tendon-transfers-an-anatomic-study
#15
Jeffrey E McAlister, Shyler L DeMill, Eric So, Christopher F Hyer
Posterior tibial tendon dysfunction is often coupled with various degrees of hindfoot valgus and equinus. Preoperative planning is essential to appropriate procedure choice and surgical efficiency. The purpose of the present study was to assess the anatomy at the harvest site for flexor digitorum longus tendon transfer, specifically at the master knot of Henry. Thirty fresh-frozen below-the-knee cadavers were used for dissection. A standard anatomic approach was performed for posterior tibial tendon debridement and flexor digitorum longus tendon transfer...
November 17, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27858917/prospective-study-of-the-neurotopographic-adequacy-of-transverse-incision-in-lichtenstein-inguinal-hernioplasty
#16
Carlos J L Mendes, Rodrigo A Silva, Daniel P A Neto, Isabela Brianti, Kassem Saleh, Mirna D Barros, Sergio Roll, Adhemar M Pacheco
Lichtenstein technique requires identification of the iliohypogastric, ilioinguinal, and genital branch of the genitofemoral nerves.The aim of the study was to verify if the transverse incision is suitable for identification of the iliohypogastric, ilioinguinal, and genital branch of the genitofemoral nerves.This study included 29 patients who underwent hernioplasty, and also 10 dissections of the inguinal regions from 5 cadavers. The anthropometric measurements included: incision size (IS) and topography, pubic angle (PA), body mass index (BMI), and the distance from the pubis to the incision and bi-iliac crest plane...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27857874/minimizing-septectomy-for-endoscopic-transsphenoidal-approaches-to-the-sellar-and-suprasellar-regions-a-cadaveric-morphometric-study
#17
Hermes G Garcia, Marc Otten, Marc Pyfer, Saurabh J Singhal, Alfred Marc Iloreta, Varun R Kshettry, Christopher J Farrell, Gurston Nyquist, Marc Rosen, James J Evans
The purpose of this study was to evaluate the effect of posterior septectomy size on surgical exposure and surgical freedom during the endoscopic transsphenoidal approach to the sella and parasellar region. Dissections were performed on 10 embalmed cadaver heads. Dissections started with wide bilateral sphenoidotomies, lateralization of middle turbinates, and a 5-mm posterior septectomy. The posterior septectomy was increased in 5-mm increments to a maximum of 35 mm, followed by bilateral middle turbinectomies...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27857868/surgical-anatomy-of-the-medial-wall-of-the-orbit-in-14-human-cadavers
#18
Juan R Gras-Cabrerizo, Maria Martel-Martin, Jacinto Garcia-Lorenzo, Fernando Rodríguez-Álvarez, Joan R Montserrat-Gili, Rosa Mirapeix-Lucas, Humbert Massegur-Solench
Objective The aim of our study is to present the anatomical landmarks to perform an endoscopic endonasal approach to the medial wall of the orbit (EEAMO). Material and Methods We performed 14 complete nasal and orbital endoscopic dissections in 7 adult cadaveric heads. Results The EEAMO provides a surgical corridor between the medial rectus muscle superiorly and the inferior rectus muscle inferiorly .The mean distance between the ethmoidal crest and medial rectus muscle was 1.5 cm (range, 1.3-1.9 cm)...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27853815/anatomical-variations-of-the-venous-drainage-from-the-left-adrenal-gland-an-anatomical-study
#19
Matthieu Siebert, Yohann Robert, Romain Didier, Antonin Minster, Wassila M'sallaoui, Alexandre Bellier, Philippe C J Chaffanjon
BACKGROUND: For radiologists, the venous drainage of adrenal glands is a key to the technique of selective adrenal venous sampling. For endocrine surgeons, it is key to adrenalectomy for carcinoma and pheochromocytoma. This study aims to demonstrate direct anastomosis between the left adrenal vein, the diaphragmatic circulation and the azygos system. Anatomical textbooks only offer very little information concerning the left adrenal vein (LAV) and its potential anastomosis with the reno-lumbo-azygo trunk (RLAT) and the diaphragmatic circulation...
November 16, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27852665/sensory-nerve-supply-of-the-distal-radio-ulnar-joint-with-regard-to-wrist-denervation
#20
G M Hohenberger, M J Maier, C Dolcet, A H Weiglein, A Schwarz, V Matzi
The objective of this study was to determine the precise departure points of the articular branches innervating the distal radio-ulnar joint from the anterior and posterior interosseous nerves. The study sample consisted of 116 upper limbs from adult human cadavers. The articular branches were prepared under the dissection microscope to take measurements using the radial styloid process as point of reference. The articular branch departed from the anterior interosseous nerve at a mean distance of 2.9 cm proximal to the styloid for a radius length of 20...
November 15, 2016: Journal of Hand Surgery, European Volume
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