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surgical and radiological anatomy

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https://www.readbyqxmd.com/read/28103513/interventional-radiology-in-the-management-of-thoracic-duct-injuries-anatomy-techniques-and-results
#1
REVIEW
Mohammad Toliyat, Kanwar Singh, Robert C Sibley, Murthy Chamarthy, Sanjeeva P Kalva, Anil K Pillai
Disruption of the thoracic duct can have devastating consequences and be associated with a high morbidity and mortality. Conservative therapies have been attempted to treat chylothorax without much success. Surgical management has traditionally been necessary to provide definitive treatment at the expense of increased morbidity. Lymphatic interventions have recently emerged as a new frontier for interventional radiologists to add value and provide minimally invasive therapies for debilitating conditions. The goal of this manuscript is to review the anatomy of the thoracic duct, describe various percutaneous techniques for accessing the duct, and briefly discuss outcomes as reported in the literature...
January 3, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28047736/su-f-p-42-to-navigate-or-not-to-navigate-hdr-bt-in-recurrent-spine-lesions
#2
L Voros, G Cohen, M Zaider, Y Yamada
PURPOSE: We compare the accuracy of HDR catheter placement for paraspinal lesions using O-arm CBCT imaging combined with StealthStation navigation and traditional fluoroscopically guided catheter placement. METHODS: CT and MRI scans were acquired pre-treatment to outline the lesions and design treatment plans (pre-plans) to meet dosimetric constrains. The pre-planned catheter trajectories were transferred into the StealthStation Navigation system prior to the surgery...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040203/inner-ear-malformations-a-practical-diagnostic-approach
#3
M Mazón, E Pont, A Montoya-Filardi, J Carreres-Polo, F Más-Estellés
Pediatric sensorineural hearing loss is a major cause of disability; although inner ear malformations account for only 20-40% of all cases, recognition and characterization will be vital for the proper management of these patients. In this article relevant anatomy and development of inner ear are surveyed. The role of neuroimaging in pediatric sensorineural hearing loss and cochlear preimplantation study are assessed. The need for a universal system of classification of inner ear malformations with therapeutic and prognostic implications is highlighted...
December 28, 2016: Radiología
https://www.readbyqxmd.com/read/28003001/molecular-cellular-and-pharmaceutical-aspects-of-bone-grafting-materials-and-membranes-during-maxillary-sinus-lift-procedures-part-1-a-general-overview
#4
Adriano Piatelli, Giovanna Iezzi, Alessandra Giuliani, Carlo Mangano, Licia Manzon, Marco Degidi, Flavia Iaculli, Antonio Scarano, Antonella Filippone, Vittoria Perrotti
Sinus augmentation procedure has been demonstrated to be a highly predictable treatment in posterior maxilla atrophy. All the surgical interventions in the maxillary region require deep knowledge of anatomy and possible anatomical variations. In this article pre-operative and post- operative assessments of sinus cavity as well as novel approaches to deepen our knowledge of the behavior of bone substitute materials are described. The awareness of the patient's morphologic conditions enables exact planning of invasive surgery and aids to avoid complications...
December 21, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28002992/molecular-cellular-and-pharmaceutical-aspects-of-bone-grafting-materials-and-membranes-during-maxillary-sinus-lift-procedures-part-1-a-general-overview
#5
Adriano Piatelli, Giovanna Iezzi, Alessandra Giuliani, Carlo Mangano, Licia Manzon, Marco Degidi, Flavia Iaculli, Antonio Scarano, Antonella Filippone, Vittoria Perrotti
Sinus augmentation procedure has been demonstrated to be a highly predictable treatment in posterior maxilla atrophy. All the surgical interventions in the maxillary region require deep knowledge of anatomy and possible anatomical variations. In this article pre-operative and post- operative assessments of sinus cavity as well as novel approaches to deepen our knowledge of the behavior of bone substitute materials are described. The awareness of the patient's morphologic conditions enables exact planning of invasive surgery and aids to avoid complications...
December 21, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27997062/surgical-anatomy-radiological-features-and-molecular-biology-of-the-lumbar-intervertebral-discs
#6
REVIEW
Malik Ghannam, Fareed Jumah, Shaden Mansour, Amjad Samara, Saja Alkhdour, Muayad A Alzuabi, Loai Aker, Nimer Adeeb, Justin Massengale, RodJ Oskouian, R Shane Tubbs
The intervertebral disc (IVD) is a joint unique in structure and functions. Lying between adjacent vertebrae, it provides both the primary support and the elasticity required for the spine to move stably. Various aspects of the IVD have long been studied by researchers seeking a better understanding of its dynamics, aging and subsequent disorders. In the present paper, we review the surgical anatomy, imaging modalities, and molecular biology of the lumbar IVD. This article is protected by copyright. All rights reserved...
December 20, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27986388/-3d-anatomy-of-cerebellar-peduncles-based-on-fibre-microdissection-and-a-demonstration-with-tractography
#7
Ruben Rodríguez-Mena, José Piquer-Belloch, José Luis Llácer-Ortega, Pedro Riesgo-Suárez, Vicente Rovira-Lillo
OBJECTIVE: To perform an anatomical and radiological study, using fibre microdissection and diffusion tensor tractography (DTT), to demonstrate the three-dimensionality of the superior, middle and inferior cerebellar peduncles. MATERIAL AND METHODS: A total of 15 brain-stem, 15 cerebellar hemispheres, and 5 brain hemispheres were dissected in the laboratory under the operating microscope with microsurgical instruments between July 2014 and July 2015. Brain magnetic resonance imaging was obtained from 15 healthy subjects between July and December of 2015, using diffusion-weighted images, in order to reproduce the cerebellar peduncles on DTT...
December 13, 2016: Neurocirugía
https://www.readbyqxmd.com/read/27974987/a-case-report-of-acute-diverticulitis-in-pseudodiverticulosis-after-hemorpex-system%C3%A2-procedure
#8
Tommaso Testa, Federico Costanzo
Introduction. In the last years many mini-invasive approaches were developed in order to reduce postoperative pain and complication after haemorrhoid surgery: one of these alternatives is represented by Hemorpex System, a relatively young technique that combines transanal dearterialization with mucopexy through a dedicated proctoscope. Case Presentation. A 78-year-old male patient was admitted to the Emergency Department for acute urinary retention and elevated temperature. Hemorpex procedure was performed 4 years before...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27932858/one-stage-bone-strip-reconstruction-technique-with-balloon-sinus-dilatation-surgery-for-chronic-maxillary-atelectasis
#9
Tomoyuki Kashima, Robert A Goldberg, Jocelyne C Kohn, Daniel B Rootman
PURPOSE: Chronic maxillary atelectasis is characterized by unilateral spontaneous enophthalmos and hypoglobus due to increased orbital volume secondary to maxillary sinus inward deformation. Reformation of the sinus architecture and reconstruction of the orbit are key to a successful outcome. Here, we introduce a one-staged surgery that addresses both these goals. PATIENTS AND METHODS: We retrospectively reviewed 11 patients treated with one-stage orbital and sinus surgery...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27926554/intraoperative-archive-of-right-colonic-vascular-variability-aids-central-vascular-ligation-and-redefines-gastrocolic-trunk-of-henle-variants
#10
Jamal F Alsabilah, Syed A Razvi, Mahdi H Albandar, Nam K Kim
BACKGROUND: Vascular supply to the right colon has become an issue because of high variability and subsequent impact on minimally invasive surgery. Past cadaveric or radiologic anatomic assessments are noncomprehensive. OBJECTIVE: Intraoperative charting of right colonic arteriovenous anatomy was undertaken to determine the incidence and scope of vascular variations. DESIGN: Vascular anatomy variations were documented in snapshot images, captured during laparoscopic video recordings or through open surgical digital photography...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27911674/cross-sectional-imaging-anatomy-and-pathologic-conditions-affecting-thoracic-nerves
#11
Kristopher W Cummings, Sreevathsan Sridhar, Matthew S Parsons, Cylen Javidan-Nejad, Sanjeev Bhalla
While in many cases they are not directly visualized, awareness of the thoracic nerves and their courses at cross-sectional imaging is important for radiologists. An understanding of the normal function of each nerve is important, as many patients present with neurologic signs and symptoms that can be used to reinforce search patterns for disease and detection of supportive radiologic abnormalities. In the case of primary neoplasms, understanding the expected presence of a nerve in the location of a mass can enhance and improve the accuracy of differential diagnoses...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27890212/-complete-intra-articular-distal-radius-fractures-in-young-active-patients
#12
A-M Gay, P Samson, R Legré
Management of complex intra-articular fractures of the distal radius in young active patients must aim to restore normal anatomy. For optimal planning of the surgical procedure, a thorough analysis of the fracture with appropriate radiological exams and diagnosis of frequently associated lesions are necessary. Surgical management involves use of various types of internal or external fixation. Routine use of standardized analysis tools for these fractures along with prospective follow-up should allow us to define guidelines for each situation in the near future...
December 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27837264/study-of-the-mandibular-incisive-canal-anatomy-using-cone-beam-computed-tomography
#13
Sergey Lvovich Kabak, Natallia Victorovna Zhuravleva, Yuliya Michailovna Melnichenko, Nina Alexandrovna Savrasova
PURPOSE: The aim of this study was to identify the range of individual variability in dimensions and topography of the mandibular incisive canal (MIC) in vivo. METHODS: One hundred cone beam computed tomography (CBCT) scans of patients from dental outpatient hospitals of Minsk, Belarus were performed on Galileos GAX5 using standard exposure and patient positioning protocol. Reformatted panoramic and sagittal CBCT images were analyzed. RESULTS: The MIC was visualized in 92% of CBCT images...
November 11, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27831994/pseudarthrosis-repair-using-autologous-cultured-osteoblasts-in-complex-type-1-neurofibromatosis-spinal-deformity-a-case-report-and-review-of-the-literature
#14
Young-Hoon Kim, Genriech N Reoyan, Kee-Yong Ha, Chul-Kyu Kim
STUDY DESIGN: A case report and literature review. OBJECTIVE: To report a late dislocation of the vertebra caused by progressive dural ectasia combined with type-1 neurofibromatosis (NF-1) and the clinical results of pseudarthrosis repairs using autologous cultured osteoblasts. SUMMARY OF BACKGROUND DATA: NF-1 is a well-known genetic disorder that is commonly characterized by spinal deformities including kyphoscoliosis. Late dislocation of the vertebra resulting from progressive dural ectasia after surgical correction of NF-1 scoliosis is a very rare occurrence, and pseudarthrosis frequently develops after surgical intervention for this complex spinal deformity...
November 15, 2016: Spine
https://www.readbyqxmd.com/read/27800039/a-prospective-comparative-study-of-high-resolution-ultrasound-and-mri-in-the-diagnosis-of-rotator-cuff-tears-in-a-tertiary-hospital-of-north-india
#15
Narvir Singh Chauhan, Ajay Ahluwalia, Yash Paul Sharma, Lokesh Thakur
BACKGROUND: To evaluate the accuracy of high resolution ultrasound (USG) and MRI in the diagnosis of rotator cuff tears (RCT) and to determine if high resolution USG compares favorably in sensitivity and specificity to MRI in the diagnosis of rotator cuff injury. MATERIAL/METHODS: In this prospective comparative study, 40 patients with clinically suspected rotator cuff tears underwent both ultrasound and MRI of the shoulder. Out of these 40 patients, 31 patients who had positive findings for rotator cuff tears on ultrasound and/or MRI were finally included in the study while the remaining 9 patients with negative or unrelated findings were excluded...
2016: Polish Journal of Radiology
https://www.readbyqxmd.com/read/27776006/arthroscopic-assisted-acromioclavicular-and-coracoclavicular-ligaments-reconstruction-for-chronic-acromioclavicular-dislocations-surgical-technique
#16
Achilleas Boutsiadis, Laurent Baverel, Hubert Lenoir, Philippe Delsol, Johannes Barth
Chronic acromioclavicular (AC) instability is a rare posttraumatic shoulder condition that can lead to undesirable symptoms like persistent pain, muscle fatigue, loss of strength, or even scapular dyskinesis. It is well known that in these cases the superior functional results depend on the restoration of the anatomy and stability of the AC joint in both vertical and horizontal planes. Considering the ligaments degeneration and atrophy in chronic AC joint dislocations, we present an arthroscopic-assisted reconstruction of both the coracoclavicular and AC ligaments using autograft augmentation...
December 2016: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/27752837/multi-modal-imaging-of-the-subscapularis-muscle
#17
REVIEW
Mona Alilet, Julien Behr, Jean-Philippe Nueffer, Benoit Barbier-Brion, Sébastien Aubry
: The subscapularis (SSC) muscle is the most powerful of the rotator cuff muscles, and plays an important role in shoulder motion and stabilization. SSC tendon tear is quite uncommon, compared to the supraspinatus (SSP) tendon, and, most of the time, part of a large rupture of the rotator cuff. Various complementary imaging techniques can be used to obtain an accurate diagnosis of SSC tendon lesions, as well as their extension and muscular impact. Pre-operative diagnosis by imaging is a key issue, since a lesion of the SSC tendon impacts on treatment, surgical approach, and post-operative functional prognosis of rotator cuff injuries...
December 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27726748/ct-and-mr-imaging-of-the-postoperative-ankle-and-foot
#18
Gary M LiMarzi, Kurt F Scherer, Michael L Richardson, David R Warden, Christopher W Wasyliw, Jack A Porrino, Christopher R Pettis, Gideon Lewis, Christopher C Mason, Laura W Bancroft
A variety of surgical procedures exist for repair of both traumatic and degenerative osseous and soft-tissue pathologic conditions involving the foot and ankle. It is necessary for the radiologist to be familiar with these surgical procedures, so as to assess structural integrity, evaluate for complicating features, and avoid diagnostic pitfalls. Adequate interpretation of postoperative changes often requires access to surgical documentation to evaluate not only the surgery itself but the expected timeline for resolution of normal postoperative changes versus progressive disease...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27726742/postoperative-shoulder-imaging-rotator-cuff-labrum-and-biceps-tendon
#19
Jennifer L Pierce, Nicholas C Nacey, Stephen Jones, Davis Rierson, Brian Etier, Stephen Brockmeier, Mark W Anderson
Imaging interpretation of the postoperative shoulder is a challenging and difficult task for both the radiologist and the orthopedic surgeon. The increasing number of shoulder rotator cuff, labrum, and biceps tendon repairs performed in the United States also makes this task a frequent occurrence. Whether treatment is surgical or conservative, imaging plays a crucial role in patient care. Many imaging findings can be used to predict prognosis and functional outcomes, ultimately affecting treatment. In addition, evolving surgical techniques alter the normal anatomy and imaging appearance of the shoulder such that accepted findings proved to be pathologic in the preoperative setting cannot be as readily described as pathologic after surgery...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27697471/utility-of-retrograde-ureterocelogram-in-management-of-complex-ureterocele
#20
M K Arevalo, J C Prieto, N Cost, G Nuss, B J Brown, L A Baker
INTRODUCTION: Symptomatic pediatric ureterocele has diverse manifestations, making evidence-based management impractical. Thus, detailed visualization of ureterocele anatomy prior to first surgical incision is invaluable. Retrograde ureterocelogram (RUC) is a simple, underutilized radiologic technique that can be performed during cystoscopy. This study sought to determine whether RUC changes surgical management by more accurately depicting the complex ureteral and ureterocele anatomy, compared with renal ultrasound (US) and voiding cystourethrography (VCUG)...
September 17, 2016: Journal of Pediatric Urology
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