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surgical and radiological anatomy

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https://www.readbyqxmd.com/read/28516004/endoscopic-ultrasound-reaching-where-others-can-t
#1
Fady G Haddad, Magda Daoud, Ying Liu, Sherif Andrawes
Endoscopic ultrasound (EUS) has been increasingly used for the diagnosis and staging of pancreatic cancer. It has recently become the modality of choice in assessing pancreatic lesions overcoming other traditional modalities. Typically lesions located at the tail of the pancreas are best accessed through the stomach. We present a patient with pancreatic tail mass occurring in the setting of a large hiatal hernia, intrathoracic stomach, and severe lumbar levoscoliosis. Due to altered anatomy and extensive vascular connections of the mass, any surgical or radiological intervention was considered high risk for the patient...
April 15, 2017: Curēus
https://www.readbyqxmd.com/read/28508919/cognitive-development-of-school-age-hypoplastic-left-heart-syndrome-survivors-a-single-center-study
#2
REVIEW
Raphael D Oberhuber, Sonja Huemer, Rudolf Mair, Eva Sames-Dolzer, Michaela Kreuzer, Gerald Tulzer
Neurological and radiologic research results show an abnormal cerebral microstructure as well as abnormal neurodevelopment in patients treated for hypoplastic left heart syndrome. The aim of this study was to assess the varying cognitive performance these children have developed in dependence upon prenatal diagnosis, surgical techniques, surgical learning effects, anatomy, perfusion techniques, gender, pedagogic, and sociodemographic parameters in comparison to age-adjusted normative values. School-age children (6...
May 16, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28493073/gastroduodenal-and-pancreatic-surgeries-indications-surgical-techniques-and-imaging-features
#3
REVIEW
Nishant A Patel, Katherine E Maturen, Scott E Regenbogen, Mahmoud M Al-Hawary, Ravi K Kaza, Ashish P Wasnik
This review article focuses on gastroduodenal and pancreatic surgeries with the goal of identifying radiologic findings that translate to important surgical considerations. The topics covered include partial gastrectomy with reconstruction techniques, total gastrectomy, pancreaticoduodenectomy, and pancreaticojejunostomy. Indications, contraindications, surgical techniques, and postoperative imaging are described within each of these topics. Knowledge of these surgical techniques is extremely helpful for the interpreting radiologists to identify expected postoperative anatomy and related complications that would remain clinically relevant to our surgical colleagues and direct timely patient management...
May 10, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28461180/giant-symptomatic-aneurysm-secondary-to-hereditary-hemorrhagic-telangiectasia-of-a-main-hepatic-artery-with-aberrant-origin-in-superior-mesenteric-artery
#4
Francisco Javier Peinado Cebria N, Santiago Este Banez Seco, A Ngel Flores-Herrero, Ricardo Montoya Ching, Benito Mendez Feria, Diego Soto Valdés, Maria Pilar Lamarca Mendoza, Antonio Orgaz Pe Rez-Grueso
INTRODUCTION: Hereditary Hemorragic Telangiectasia (HHT) is a rare disease consistent in vascular dysplasias affecting different organs. Liver involvement includes telangiectases, arteriovenous shunting, and ischemic cholangitis, and its prevalence ranges from 8 to 31%. Spontaneous pseudo aneurysms have never been reported associated to HHT. Several variations in the origin of the main hepatic artery (MHA) have been described in large radiological series, and can be found in around 4% of general population...
April 28, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28457176/3d-digital-subtracted-ct-angiography-to-evaluate-the-venous-anatomy-in-extra-axial-tumors-invading-the-major-dural-venous-sinuses
#5
Stéphanie Lenck, Damien Bresson, Anne-Laure Bernat, Jean-Pierre Saint-Maurice, Marc-Antoine Labeyrie, Sébastien Froelich, Emmanuel Houdart
Background Investigation of the venous system surrounding a tumor that is invading a dural sinus is of great use for guiding the surgical excision. Non-invasive imaging is often inadequate since enhancement of the tumor causes it to blend with the contrast of the venous vascular structures. Conventional two-dimensional angiography is also often insufficient. Objective The objective of this study was to report regarding the potential of three-dimensional digital subtracted computed tomography angiography (3D DS-CTA) as a technique to preoperatively explore these tumors...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28456736/endoscope-assisted-extreme-lateral-interbody-fusion-xlif-preliminary-experience-and-technical-note
#6
Claudio Schonauer, Martin Nikolaus Stienen, Oliver Pascal Gautschi, Karl Schaller, Enrico Tessitore
BACKGROUND: The XLIF technique is safe and effective. The deep and tight surgical corridor, however, makes visual identification of important landmark structures as well as sufficient endplate and contralateral preparation challenging. The present analysis aims to assess the safety and feasibility of endoscope-assisted (EA-) extreme lateral lumbar interbody fusion (XLIF) procedures. METHODS: Retrospective single-center study on consecutive patients undergoing XLIF procedures between 02/2014 and 07/2016...
April 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28451716/-interventional-radiology-in-the-head-and-neck-region
#7
C Mayer, E Hattingen, H Schild, F Bootz, A Schröck
In interventional neuroradiology, endovascular embolization represents an important and helpful tool in the treatment of multiple head and neck diseases. These interventional procedures may be performed with curative intent, to reduce the surgical risk within a multimodal treatment concept, or to improve or at least maintain a good quality of life within a palliative therapy concept. In addition to a good understanding of disease pathology, knowledge of vascular anatomy, including collateral vessels and dangerous extracranial-intracranial anastomoses, is essential for successful treatment, as is implementation of an established technique using appropriate material...
April 27, 2017: HNO
https://www.readbyqxmd.com/read/28442169/cochlear-implantation-in-children-with-anomalous-cochleovestibular-anatomy
#8
REVIEW
Ana Sofia Melo, Jorge Martins, João Silva, Jorge Quadros, António Paiva
OBJECTIVE: The aim of the study is to assess the audiological and surgical outcome after cochlear implantation in children with inner ear malformation and to compare them with a group of congenitally deaf children implantees without inner ear malformation. INTRODUCTION: Children with profound sensorineural deafness with malformations of the inner ear represent a challenge, accounting to 5-15% of congenital sensorineural deafness. These cases were originally regarded as a contraindication for cochlear implant surgery...
April 22, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28413736/targeted-intraspinal-radiofrequency-ablation-for-lumbar-spinal-stenosis
#9
Robert E Jacobson, Michelle Granville, Jesse Hatgis DO
INTRODUCTION: By using a combination of magnetic resonance imaging (MRI) and computed tomography (CT) of the lumbar spine, it is possible to distinguish between spinal stenosis caused by bone compression and specific soft tissue epidural intraspinal lesions that cause localized spinal canal stenosis and neural compression. Examples include facet cysts and yellow ligament hypertrophy. Many of these patients are elderly with medical comorbidities that make open surgery problematic. MATERIALS & METHODS: This is a study of patients with predominantly soft tissue stenosis being treated with targeted intraspinal radiofrequency (RF) heat ablation...
March 10, 2017: Curēus
https://www.readbyqxmd.com/read/28384848/surgical-implications-of-portal-vein-variations-and-liver-segmentations-a-recent-update
#10
REVIEW
Showkathali Iqbal, Raiz Iqbal, Faiz Iqbal
The Couinaud's liver segmentation is based on the identification of portal vein bifurcation and origin of hepatic veins. It is widely used clinically, because it is better suited for surgery and is more accurate in localizing and monitoring various intra parenchymal lesions. According to standard anatomy, the portal vein bifurcates into right and left branches; the left vein drains segment II, III and IV and the right vein divides into two secondary branches - the anterior portal vein drains segments V and VIII, and the posterior drains segments VI and VII...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28291767/new-dimensions-in-renal-transplant-sonography-applications-of-3-dimensional-ultrasound
#11
Susan J Frank, William R Walter, Larry Latson, Hillel W Cohen, Mordecai Koenigsberg
BACKGROUND: The aim of this study is to demonstrate the usefulness of adding 3-dimensional (3D) ultrasound in evaluation of renal transplant vasculature compared to 2-dimensional (2D) Duplex ultrasound. METHODS: One hundred thirteen consecutive renal transplant 2D and 3D ultrasound examinations were performed and retrospectively reviewed by 2 board-certified radiologists and a radiology resident individually; each reviewed 2D and then 3D images, including color and spectral Doppler...
April 21, 2016: Transplantation
https://www.readbyqxmd.com/read/28281114/value-of-3d-printing-for-the-comprehension-of-surgical-anatomy
#12
Stefania Marconi, Luigi Pugliese, Marta Botti, Andrea Peri, Emma Cavazzi, Saverio Latteri, Ferdinando Auricchio, Andrea Pietrabissa
BACKGROUND: In a preliminary experience, we claimed the potential value of 3D printing technology for pre-operative counseling and surgical planning. However, no objective analysis has ever assessed its additional benefit in transferring anatomical information from radiology to final users. We decided to validate the pre-operative use of 3D-printed anatomical models in patients with solid organs' diseases as a new tool to deliver morphological information. METHODS: Fifteen patients scheduled for laparoscopic splenectomy, nephrectomy, or pancreatectomy were selected and, for each, a full-size 3D virtual anatomical object was reconstructed from a contrast-enhanced MDCT (Multiple Detector Computed Tomography) and then prototyped using a 3D printer...
March 9, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28251769/comparison-of-reaction-forces-on-the-anterior-cruciate-and-anterolateral-ligaments-during-internal-rotation-and-anterior-drawer-forces-at-different-flexion-angles-of-the-knee-joint
#13
Levent Uğur
BACKGROUND: Having a complicated anatomy, the knee joint has been further detailed and a new formation defined, the anterolateral ligament (ALL), in recent studies. While the importance of this ligament, which previously was associated with Segond fractures, was explained via clinical, radiologic and biomechanical studies, and basically, is thought to be a fixator structures for the tibia against internal rotation stress. Although in recent studies efficient surgical treatment was applied to patients who underwent anterior cruciate ligament (ACL) operation, some patients having a positive pivot test highlights the clinical importance of the ALL...
March 2, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28251062/failed-medial-patellofemoral-ligament-reconstruction-causes-and-surgical-strategies
#14
REVIEW
Vicente Sanchis-Alfonso, Erik Montesinos-Berry, Cristina Ramirez-Fuentes, Joan Leal-Blanquet, Pablo E Gelber, Joan Carles Monllau
Patellar instability is a common clinical problem encountered by orthopedic surgeons specializing in the knee. For patients with chronic lateral patellar instability, the standard surgical approach is to stabilize the patella through a medial patellofemoral ligament (MPFL) reconstruction. Foreseeably, an increasing number of revision surgeries of the reconstructed MPFL will be seen in upcoming years. In this paper, the causes of failed MPFL reconstruction are analyzed: (1) incorrect surgical indication or inappropriate surgical technique/patient selection; (2) a technical error; and (3) an incorrect assessment of the concomitant risk factors for instability...
February 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28240716/open-reduction-versus-in-situ-fixation-of-neglected-lateral-condyle-fractures-a-comparative-study
#15
Jatin Prakash, Anil Mehtani
The management of neglected fracture of the lateral condyle of the humerus is controversial. Careful neglect and conservative management with early ulnar nerve transposition and ostetomy, in-situ surgical fixation and accurate open reduction and internal fixation are all recommended as treatment options. However, an overgrowth of fractured condyle, highly distorted anatomy, contracted soft tissue and almost unrecognizable fracture ends make open reduction a challenging task. As the functional loss is not severe, in-situ fixation of the fragment provides a good alternative...
February 24, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28224200/plain-radiographs-can-be-used-for-routine-assessment-of-acl-reconstruction-tunnel-position-with-three-dimensional-imaging-reserved-for-research-and-revision-surgery
#16
REVIEW
Jonathan David Kosy, Vipul I Mandalia
PURPOSE: The position of the osseous tunnels and graft during anterior cruciate ligament (ACL) reconstruction has been the subject of multiple studies aiming for either anatomical placement or an alternative. The assessment of these positions, using post-operative imaging, is therefore of interest to the surgeon in both the evaluation of surgical performance and surveillance of potential complications. The purpose of this review is to identify the optimal use of imaging in both the surveillance of clinical practice and in planning revision surgery...
February 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28214762/paracaecal-hernia-a-case-report-on-the-evolving-role-of-laparoscopy
#17
Ammar Tayaran, Haider Abdulrasool, Hai T Bui
A paracaecal hernia, a type of pericaecal hernias, is a rare cause of small intestinal obstruction. Failure of early recognition and reduction of this type of internal hernia may lead to strangulation of the herniated intestine. There has been a number of case reports in the literature about the different types of pericaecal hernias, however the anatomy of these hernias is still poorly understood and the management is still evolving. We are presenting a 75year old woman, who presented clinically and radiologically with distal small intestinal obstruction...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28208953/open-reduction-and-volar-plate-fixation-of-dorsally-displaced-distal-radius-fractures-a-prospective-study-of-functional-and-radiological-outcomes
#18
Arjun Ballal, Anand Kumar Sadasivan, Anoop Hegde, Ashwin Shetty
INTRODUCTION: The fractures of the distal radius have always posed a unique challenge to the orthopaedic fraternity. The complex ligamentous and bony anatomy offers a wide variety of fractures to be dealt with around this zone. Over the years these injuries have become common especially in the elderly age group as well as the implants and surgical techniques have improved. AIM: To assess the radiological and functional outcome after fixation of intra-articular dorsally displaced distal radius fractures with open reduction and volar Locking Compression Plate fixation (LCP)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28202208/survivorship-analysis-of-eighty-revised-hip-arthroplasties-with-the-impaction-grafting-technique-using-whole-femoral-head-allografts-with-the-articular-cartilage
#19
Ahmed Fadulelmola, Efstathios Drampalos, John Hodgkinson, Mukesh Hemmady
BACKGROUND: Acetabular impaction bone grafting aims to restore anatomy in hip revision surgery. This is an effective but expensive and time-consuming technique. Usually, the articular cartilage is removed from the femoral head allograft. We aimed to reproduce the same results retaining the cartilage of the allograft. METHODS: Eighty acetabular revisions using impacted morselized bone graft retaining the articular cartilage and a cemented cup were studied retrospectively...
January 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28190552/use-of-balloon-dilatation-for-management-of-postoperative-intestinal-strictures-in-children-with-short-bowel-syndrome
#20
Christina Belza, Kevin Fitzgerald, Joao Amaral, Karen Steinberg, Yaron Avitzur, Paul W Wales
PURPOSE: Children with short bowel syndrome (SBS) often require numerous operations to optimize intestinal function. Postoperative intestinal strictures are a complication that inhibits enteral feeding advancement and prolongs parenteral nutrition dependency, often requiring reoperation. Our objective was to review our experience with fluoroscopic balloon dilatation to treat intestinal strictures. METHODS: A retrospective cohort study of intestinal failure patients with SBS was completed...
May 2017: Journal of Pediatric Surgery
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