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cadaver dissection

Zhenglin Chi, Peng Yang, Dajiang Song, Zan Li, Liang Tang, Weiyang Gao, Yonghuan Song, Tingang Chu
INTRODUCTION: To investigate the results of resurfacing completely degloved digits using bilobed innervated radial artery superficial palmar branch (RASPB) perforator flap in a spiral fashion. METHODS: A detailed anatomic study on 30 adult fresh frozen cadavers preinjected with silicone rubber compound to demarcate arterial anatomy documented locations, numbers, and diameters of arteries and skin perforators with surrounding nerves. The flap-raising procedure was performed using four fresh cadaver specimen...
October 21, 2016: Surgical and Radiologic Anatomy: SRA
Erkut Turan, Ozay Gules, Figen Sevil Kilimci, Mehmet Erkut Kara, Omer Gurkan Dilek, Seyyid Said Sabanci, Musa Tatar
The present study investigates the efficiency of liquid foam soap, ethanol, citric acid and benzalkonium chloride as a fixative-preservative solution (a soap-and ethanol-based fixing solution, or SEFS). In this study, ethanol serves as the fixative and preservative, liquid foam soap as the modifying agent, citric acid as the antioxidant and benzalkonium chloride as the disinfectant. The goat cadavers perfused with SEFS (n=8) were evaluated over a period of one year with respect to hardness, colour and odour using objective methods...
October 13, 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Antonio Carlos Abramo, Thiago Paoliello Alves Do Amaral, Bruno Pierotti Lessio, Germano Andrighetto De Lima
BACKGROUND: The purpose of this study is to establish a relationship between the skin lines on the upper third of the face in cadavers, which represent the muscle activity in life and the skin lines achieved by voluntary contraction of the forehead, glabellar, and orbital muscles in patients. METHODS: Anatomical dissection of fresh cadavers was performed in 20 fresh cadavers, 11 females and 9 males, with ages ranging from 53 to 77 years. Subcutaneous dissection identified the muscle shape and the continuity of the fibers of the eyebrow elevator and depress muscles...
October 14, 2016: Aesthetic Plastic Surgery
Eva Placheta, Ines Tinhofer, Melanie Schmid, Lukas F Reissig, Igor Pona, Wolfgang Weninger, Thomas Rath, David Chwei-Chin Chuang, Chieh-Han John Tzou
INTRODUCTION: Facial reanimation surgery is performed in severe cases of facial palsy to restore facial function. In a 1-stage procedure, the spinal accessory nerve can be used as a donor nerve to power a free gracilis muscle transplant for the reanimation of the mouth. The aim of this study was to describe the surgical anatomy of the spinal accessory nerve, provide a guide for reliable donor nerve dissection, and analyze the available donor axon counts. METHODS: Dissections were performed on 10 nonembalmed cadavers (measurements of 20 nerves)...
October 6, 2016: Annals of Plastic Surgery
S D Adhikary, K El-Boghdadly, Z Nasralah, N Sarwani, A M Nixon, K J Chin
We performed bilateral transmuscular quadratus lumborum blocks in six cadavers using iodinated contrast and methylene blue. Computed tomography imaging was performed in four cadavers and anatomical dissection was completed in five. This demonstrated spread to the lumbar paravertebral space in 63% of specimens, laterally to the transversus abdominis muscle in 50% and caudally to the anterior superior iliac spine in 63% of specimens. There was no radiographic evidence of spread to the thoracic paravertebral space...
October 12, 2016: Anaesthesia
Prakashchandra Shetty, Satheesha B Nayak, Rajesh Thangarajan, Melanie Rose D'Souza
Persistence of jugulocephalic vein is one of the extremely rare variations of the cephalic vein. Knowledge of such a variation is of utmost importance to orthopedic surgeons while treating the fractures of the clavicle, head and neck surgeons, during surgery of the lower part of neck, for cardiothoracic surgeons and radiologists during catheterization and cardiac device placement. We report the persistent jugulocephalic vein in an adult male cadaver, observed during the routine dissection classes. The right cephalic vein ascended upwards, superficial to the lateral part of the clavicle and terminated into the external jugular vein...
September 2016: Anatomy & Cell Biology
Nerissa Naidoo, Lelika Lazarus, Kapil Sewsaran Satyapal
Enthesopathy is considered to be an osseous phenomenon, either disease-specific or bone-site specific, which occurs at the enthesis of bone. Upon routine cadaveric dissection of the glenohumeral region in two Caucasian females, enthesopathy of the right proximal humerus was observed unilaterally in both cases. Case 1 exhibited an inconsistent pattern of bony protuberances and crests dispersed across the lesser and greater tuberosities of the right humeral head. Varying degrees of ossification of the distal subscapularis muscle was also observed...
October 7, 2016: Folia Morphologica (Warsz)
Philip G Chen, Jae Murphy, Les M Alloju, Sam Boase, Peter-John Wormald
OBJECTIVES: Nasal irrigation is standard in the management of chronic rhinosinusitis both before and after surgical intervention. Numerous irrigation devices are commercially available. The aim of this study was to compare the efficacy of a handheld pulse irrigation device against the gold standard manual squeeze bottle after endoscopic sinus surgery (ESS). METHODS: Five cadaveric specimens were prepared with video visualization ports into each sinus. Endoscopic sinus surgery was performed on each cadaver from minimal to maximal dissection...
September 29, 2016: Annals of Otology, Rhinology, and Laryngology
Natália Ferreira Sesoko, Sheila Canevese Rahal, Zara Bortolini, Natalie Bertelis Merlini, Carlos Roberto Teixeira
Anteater forelimbs are distinguished morphologically from domestic animals, especially due to their unique movement and their natural habits. A knowledge of the pectoral limb anatomy and the proper surgical approach are fundamental to success in osteosynthesis and other surgeries. This study aimed to describe the muscles and neurovascular structures of the pectoral limb and the surgical approach to the humeral shaft of the giant anteater ( Myrmecophaga tridactyla ). Dissections of the forelimbs of seven cadavers were performed to identify the major muscles and neurovascular structures...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Katherine H Dobie, Yaping Shi, Matthew S Shotwell, Warren S Sandberg
STUDY OBJECTIVE: Regional anesthesia and analgesia for shoulder surgery is most commonly performed via interscalene nerve block. We developed an ultrasound-guided technique that specifically targets the C5 nerve root proximal to the traditional interscalene block and assessed its efficacy for shoulder analgesia. DESIGN: Prospective case series. SETTING: Vanderbilt Bone and Joint Surgery Center. PATIENTS: Patients undergoing shoulder arthroscopy at an ambulatory surgery center...
November 2016: Journal of Clinical Anesthesia
Mario James Ciani, Vicki LaFay, Gioia Ciani, Paul Carey, Nata Parnes
A routine cadaver dissection revealed a noteworthy anomalous muscle in the distal anterior forearm. Clinicians should be aware of this finding and consider it as a differential diagnosis in patients with wrist disorders such as ulnar tunnel syndrome from occlusion of the ulnar canal. A space-occupying lesion, such as the anomalous muscle found in this dissection, is an important potential source of ulnar canal obstruction.
October 2016: JAAPA: Official Journal of the American Academy of Physician Assistants
Adam Smith, Filippo Gagliardi, Nicholas Robert Pelzer, Jacob Hampton, Anthony Minh Tien Chau, Fiona Stewart, Pietro Mortini, Cristian Gragnaniello
BACKGROUND: Increasing focus has been placed on the use of simulation in neurosurgical and spinal surgical training worldwide, with the establishment of many surgical laboratories dedicated to such purpose. So far, the opportunities for hands-on cadaveric training in the areas of neurosurgery and spine surgery remain limited in Australia, owing to various factors, including the abolition of dissection in many medical schools, high maintenance requirements and widespread geographical distribution of surgical trainees...
December 2015: J Spine Surg
Casey L Kinman, Anubhav Agrawal, Nicolette E Deveneau, Kate V Meriwether, Nicole R Herring, Sean L Francis
OBJECTIVES: The prevalent use of minimally invasive midurethral slings for the treatment of stress urinary incontinence in the last several decades has resulted in fewer Burch procedures being performed and diminished surgical experience in performing the Burch colposuspension. However, recent antimesh media has resulted in more patients requesting nonmesh anti-incontinence procedures and a subsequent need for surgeons to refamiliarize themselves with the Burch procedure and its relevant anatomy...
September 26, 2016: Female Pelvic Medicine & Reconstructive Surgery
M Bohac, M Palkovic, J Fedeles, J Hodosy
BACKGROUND: Gracilis muscle and its motor nerve belongs to most commonly used flap for facial reanimation. However, it is performed in two steps, which is time consuming. One stage technique can be also performed, but the length of the motor nerve cannot be currently determined before surgery. AIM: The present study was conducted in order to evaluate the body composition on the length and suitability of the motor nerve of gracilis muscle for one stage facial reanimation...
2016: Bratislavské Lekárske Listy
Sayed E Wahezi, Kyle Silva, Naum Shaparin, Andrew Lederman, Mohammed Emam, Nogah Haramati, Sherry A Downie
BACKGROUND: Headache (HA) is a significant cause of morbidity globally. Despite many available treatment options, HAs that are refractory to conservative management can be challenging to treat. Third occipital nerve (TON) and greater occipital nerve (GON) irritation are potential etiologic agents of primary and cervicogenic HAs that can be targeted using minimally invasive treatment options such as nerve blocks or radiofrequency ablation. However, a substantial number of patients that undergo radiofrequency ablation do not experience pain relief despite a positive diagnostic medial branch block (MBB)...
September 2016: Pain Physician
Mary C Hannah, Janet Cope, Alec Palermo, Walker Smith, Valerie Wacker
STUDY DESIGN: Descriptive comparison study. OBJECTIVE: To assess the accuracy of two needle angle approaches for dry needling of the lumbar multifidus. BACKGROUND: Low back pain is a leading cause of disability around the world; the lumbar multifidus plays a vital role in low back health. Manual therapy such as dry needling can improve pain mediation and motor control activation of the lumbar multifidus. Clinicians practicing dry needling at the lumbar multifidus typically use an inferomedial approach considered non-controversial...
September 4, 2016: Manual Therapy
Ji-Hey Lim, Natasha J Olby
OBJECTIVE To identify an optimal technique for isolation, purification, and amplification of Schwann cells (SCs) from biopsy specimens of the dorsal cutaneous branches of the cervical nerves of dogs. SAMPLE Biopsy specimens of dorsal cervical cutaneous nerves from the cadavers of three 1- to 2-year-old dogs. PROCEDURES Nerve specimens were dissected, predegenerated, and dissociated to isolate single cells. After culture to enhance SC growth, cells were immunopurified by use of magnetic beads. Cell purity was evaluated by assessing expression of cell surface antigens p75 (to detect SCs) and CD90 (to detect fibroblasts)...
October 2016: American Journal of Veterinary Research
Che Norma Mat Taib, Siti Nur Aisyah Hassan, Nurhidayah Esa, Mohamad Aris Mohd Moklas, Aye Aye San
Formation, distribution and possible communication of the median nerve are essential to know in treatment and surgeries of various conditions of injuries eg. repair or reconstruction of median nerve in traumatic accident. In the present study, forty four upper limbs were dissected. Root forming of median nerve, median nerve in relation with axillary artery and communication of median nerve with other nerve were noted.
September 26, 2016: Folia Morphologica (Warsz)
Barbara Buffoli, Marco Ferrari, Francesco Belotti, Davide Lancini, Marco Angelo Cocchi, Mauro Labanca, Manfred Tschabitscher, Rita Rezzani, Luigi Fabrizio Rodella
Additional extrinsic muscles of the tongue are reported in literature and one of them is the myloglossus muscle (MGM). Since MGM is nowadays considered as anatomical variant, the aim of this study is to clarify some open questions by evaluating and describing the myloglossal anatomy (including both MGM and its ligamentous counterpart) during human cadaver dissections. Twenty-one regions (including masticator space, sublingual space and adjacent areas) were dissected and the presence and appearance of myloglossus were considered, together with its proximal and distal insertions, vascularisation and innervation...
September 26, 2016: Folia Morphologica (Warsz)
Kara Marie Hessel, Erich Wessel, Anthony Olinger, Barth W Wright
BACKGROUND: This study aimed to identify the Anterior and Posterior Extralaryngeal branches (AELB, PELB) of the Recurrent Laryngeal Nerve (RLN), measure these branches when present, and determine relationships between gender, sidedness and neck length. MATERIALS AND METHODS: Dissection was completed to level of the thyroid on 45 cadavers. The course of the RLN was then traced superiorly from its entry into the neck. Careful reflection of the thyroid and dissection of the lateral thyroid ligament permitted visualization of the full course of the nerve...
September 26, 2016: Folia Morphologica (Warsz)
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