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Surgical anatomy

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https://www.readbyqxmd.com/read/28527848/combined-therapy-for-a-rare-case-of-type-iii-dens-invaginatus-in-a-mandibular-central-incisor-with-a-periapical-lesion-a-case-report
#1
Ping Zhang, Xin Wei
Type III dens invaginatus has a complex root canal structure that poses a greater challenge when endodontic treatment is necessary. Type III dens invaginatus rarely affects mandibular central incisors. In this case, we reported a combined therapy of type III dens invaginatus in a mandibular central incisor with a periapical lesion. Cone-beam computed tomographic (CBCT) imaging was used in the diagnosis and management of the unusual anatomy of dens invaginatus. First, the hard tissue of the dens invaginatus was removed using a dental operating microscope...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28523130/the-development-of-uniportal-video-assisted-thoracoscopic-surgery-in-s%C3%A3-o-paulo-from-diagnosis-to-lobectomy
#2
Alexandre de Oliveira, Thais Amarante P P Couto
BACKGROUND: The use of uniportal video-assisted thoracoscopic surgery (VATS) has been increasing worldwide. Our main goal was to describe the evolution of uniportal surgery in the biggest private hospital in Latin America that is located in São Paulo, Brazil. METHODS: This descriptive and retrospective study included patients who underwent uniportal VATS in the thoracic surgical department of Beneficencia Portuguesa Hospital, after being referred to our team to undergo the aforementioned procedure within the period from February 2012 to March 2016...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28523041/functional-endoscopic-sinus-surgery-as-a-primary-modality-of-treatment-for-primary-and-recurrent-nasal-polyposis
#3
Mohammad Shahid Gohar, Saleem Asif Niazi, Sohail Baber Niazi
OBJECTIVES: To describe the efficacy of Functional Endoscopic Sinus Surgery(FESS) in our set up in comparison with other published studies to treat primary and recurrent nasal polyposis. METHOD: This descriptive study was conducted in 02 years at Ear Nose Throat Department Combined Military Hospital (CMH) Multan from October 2013 to October 2015. Convenient sample comprising 116 patients of both sexes of age group from 18 to 60 years were selected from ENT Out Patient Department, with documented diagnosis of nasal polyposis that underwent functional endoscopic sinus surgery...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522658/effect-of-fontan-geometry-on-exercise-haemodynamics-and-its-potential-implications
#4
Elaine Tang, Zhenglun Alan Wei, Kevin K Whitehead, Reza H Khiabani, Maria Restrepo, Lucia Mirabella, James Bethel, Stephen M Paridon, Bradley S Marino, Mark A Fogel, Ajit P Yoganathan
OBJECTIVE: Exercise intolerance afflicts Fontan patients with total cavopulmonary connections (TCPCs) causing a reduction in quality of life. Optimising TCPC design is hypothesised to have a beneficial effect on exercise capacity. This study investigates relationships between TCPC geometries and exercise haemodynamics and performance. METHODS: This study included 47 patients who completed metabolic exercise stress test with cardiac magnetic resonance (CMR). Phase-contrast CMR images were acquired immediately following supine lower limb exercise...
May 18, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28521360/exposure-of-the-external-carotid-artery-through-the-posterior-triangle-of-the-neck-a-novel-approach-to-facilitate-bypass-procedures-to-the-posterior-cerebral-circulation
#5
Ali Tayebi Meybodi, Michael T Lawton, Pooneh Mokhtari, Olivia Kola, Ivan H El-Sayed, Arnau Benet
BACKGROUND: The external carotid artery (ECA) is the main high-flow donor for extracranial-intracranial revascularization procedures. However, anatomic restraints limit the availability of ECA in posterior exposures of the craniocervical junction aimed for bypass to distal vertebral artery segments. OBJECTIVE: To examine the feasibility and safety of exposure of the ECA through the posterior triangle of the neck. METHODS: A preliminary feasibility study on the posterior neck exposure of the ECA was performed in 1 cadaveric head (2 sides) followed by a morphometric study on 9 cadaveric heads (18 sides)...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28521354/surgical-microanatomy-of-the-posterior-condylar-emissary-vein-and-its-anatomical-variations-for-the-transcondylar-fossa-approach
#6
Nakao Ota, Rokuya Tanikawa, Tsutomu Yoshikane, Masataka Miyama, Takanori Miyazaki, Yu Kinoshita, Hidetoshi Matsukawa, Takeshi Yanagisawa, Fumihiro Sakakibara, Go Suzuki, Norihiro Saito, Shiro Miyata, Kosumo Noda, Toshiyuki Tsuboi, Rihei Takeda, Hiroyasu Kamiyama, Sadahisa Tokuda, Kyousuke Kamada
BACKGROUND: It is essential to identify and be aware of the anatomy of the posterior condylar emissary vein (PCEV) for achieving an adequate operative field for the transcondylar fossa approach (TCFA). OBJECTIVE: To describe the variations in the drainage patterns of PCEVs and the technical issues encountered in such cases. METHODS: This was a retrospective analysis of the anatomy of PCEVs in 104 sides in 52 cases treated by the TCFA. Preoperative findings of multidetector-row computed tomography (CT) and CT venography (CTV) were compared with the intraoperative findings...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28521346/real-time-magnetic-resonance-imaging-guided-biopsy-using-smartframe%C3%A2-stereotaxis-in-the-setting-of-a-conventional-diagnostic-magnetic-resonance-imaging-suite
#7
Justin K Scheer, Thomas Hamelin, Leon Chang, Brian Lemkuil, Bob S Carter, Clark C Chen
BACKGROUND: Real-time magnetic resonance imaging (MRI) visualization during stereotactic needle biopsies affords several valuable benefits to the neurosurgeon, including the opportunity to visually confirm the biopsy site at the time of surgery. Until now, reported experiences with this technique have been limited to the setting of intraoperative MRI or dedicated procedural MRI suites with modified ventilation systems. OBJECTIVE: To describe our experience with 11 consecutive patients who underwent real-time MRI-guided biopsy performed using SmartFrame® stereotaxis (MRI Interventions, Irvine, California) in the setting of a conventional diagnostic MRI suite...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28517240/imaging-after-treatment-in-uterine-malignancies-spectrum-of-normal-findings-and-most-common-complications
#8
REVIEW
Maura Miccò, Anna Maria Telesca, Benedetta Gui, Pier Paolo Grimaldi, Francesco Cambi, Maria Giulia Marini, Anna Lia Valentini, Lorenzo Bonomo
Uterine malignancies account for the majority of gynaecologic cancers. Different treatment options are available depending on histology, disease grade and stage. Hysterectomy is the most frequent surgical procedure. Chemotherapy and radiation therapy (CRT) represents the preferred therapeutic choice for locally advanced uterine and cervical malignancies. Imaging of the female pelvis following these treatments is particularly challenging due to alteration of the normal anatomy. Radiologists should be familiar with both the expected post-treatment imaging findings and the imaging features of possible complications to make the correct interpretation and avoid possible pitfalls...
May 18, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28516203/-erratum-to-surgical-anatomy-of-the-abdominal-wall
#9
A Hellinger, I Roth, F C Biber, M Frenken, S Witzleb, B J Lammers
No abstract text is available yet for this article.
May 17, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28516092/frozen-elephant-trunk-and-antegrade-visceral-debranching-in-the-surgical-treatment-of-type-b-aortic-dissection-an-alternative-method
#10
Altug Tuncer, Mustafa Akbulut, Taylan Adademir, Serpil Tas, Adnan Ak, Özgür Arslan, Benay Erden, Mesut Şişmanoğlu
Intervention is inevitable in complicated Type B aortic dissections. Classical surgical procedures and endovascular interventions are far from ideal treatments due to their high risk of periprocedural complications and mortality. There is often a need for alternative method in cases of difficult anatomy. We present the combined use of frozen elephant trunk and antegrade visceral debranching methods in the treatment of a 54-year-old male patient with complicated Type B aortic dissection.
October 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28516004/endoscopic-ultrasound-reaching-where-others-can-t
#11
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/28512734/mitral-valve-aneurysms-clinical-characteristics-echocardiographic-abnormalities-and-possible-mechanisms-of-formation
#12
José Luiz B Pena, Tarciso O Bomfim, Paulo R L Fortes, Charles Simão-Filho, José de Souza Andrade-Filho
AIMS: Mitral valve aneurysms (MVA) are most frequently associated with endocarditis. Echocardiography is the method of choice for diagnosis, and color flow imaging is an important, easy method to detect MVA ruptures. We aimed to study the clinical and echocardiographic findings and their relation to the mechanism of aneurysm formation. METHODS AND RESULTS: We reviewed clinical and echocardiographic records of 18 patients during a 17-year period, corresponding to 0...
May 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28512043/endoscopic-assisted-supraorbital-keyhole-approach-or-endoscopic-endonasal-approach-in-case-of-tuberculum-sellae-meningioma-which-surgical-route-should-be-favoured
#13
Stefan Linsler, Gerrit Fischer, Volodymyr Skliarenko, Axel Stadie, Joachim Oertel
OBJECTIVE: Keyhole approaches are currently under investigation for skull base tumor surgery. They are expected to have a low complication rate with the same successful resection rate compared to endoscopic endonasal procedures. In this study, the authors compare their current series of tuberculum sellae meningiomas resected via an endoscopic endonasal or microsurgical supraorbital keyhole approach. METHODS: Between 2011 and 2016, 16 patients were treated using the supraorbital keyhole procedure and 6 patients received an endoscopic endonasal procedure...
May 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28512008/3d-printing-and-modelling-of-customized-implants-and-surgical-guides-for-non-human-primates
#14
Xing Chen, Jessy K Possel, Catherine Wacongne, Anne F van Ham, P Christiaan Klink, Pieter R Roelfsema
BACKGROUND: Primate neurobiologists use chronically implanted devices such as pedestals for head stabilization and chambers to gain access to the brain and study its activity. Such implants are skull-mounted, and made from a hard, durable material, such as titanium. NEW METHOD: Here we present a low-cost method of creating customized 3D-printed cranial implants that are tailored to the anatomy of individual animals. We performed pre-surgical computed tomography (CT) and magnetic resonance (MR) scans to generate three-dimensional (3D) models of the skull and brain...
May 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28511363/solving-the-mystery-of-the-antero-lateral-ligament
#15
P H Sonia Farhan, Rathi Sudhakaran, Jai Thilak
INTRODUCTION: The cruciate ligaments are essential for the antero-posterior stability of the knee joint. In Anterior Cruciate Ligament (ACL) rupture, though reconstructive surgery is a widely accepted and proven procedure, there is still an unacceptably high re-injury rate. The fact that the rotational instability persists even after the surgical reconstruction of ACL injury has evoked a new interest in the study of the soft tissue structures on the anterolateral aspect of the knee joint...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509695/a-novel-augmented-reality-based-navigation-system-in-perforator-flap-transplantation-a-feasibility-study
#16
Taoran Jiang, Ming Zhu, Tao Zan, Bin Gu, Qingfeng Li
BACKGROUND: In perforator flap transplantation, dissection of the perforator is an important but difficult procedure because of the high variability in vascular anatomy. Preoperative imaging techniques could provide substantial information about vascular anatomy; however, it cannot provide direct guidance for surgeons during the operation. In this study, a navigation system (NS) was established to overlie a vascular map on surgical sites to further provide a direct guide for perforator flap transplantation...
May 15, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28509331/anatomic-landmarks-in-lacrimal-surgery-from-an-ophthalmologist-s-point-of-view
#17
REVIEW
Jens Heichel, Hans-Gert Struck, Anja Viestenz, Thomas Hammer, Arne Viestenz, Miltiadis Fiorentzis
Epiphora is a common clinical symptom of nasolacrimal duct obstruction. However, it is present in several pathologies and can lead to decreased quality of life for patients. A careful clinical examination including a detailed patient's history and diagnostic tests such as the fluorescein dye disappearance test and diagnostic syringing of the lacrimal duct are essential. Depending on the time of presentation (congenital, primary or secondary acquired), grade (subtotal or total) and location of the stenosis, different surgical approaches can be considered...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28508919/cognitive-development-of-school-age-hypoplastic-left-heart-syndrome-survivors-a-single-center-study
#18
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/28506491/mapping-of-glenoid-bone-loss-in-recurrent-anterior-shoulder-instability-is-there-a-particular-deficit-pattern
#19
Benjamin Bockmann, Arne Johannes Venjakob, Frank Reichwein, Marthe Hagenacker, Wolfgang Nebelung
BACKGROUND: Glenoid bone loss in recurrent anterior shoulder instability is a challenging problem for shoulder surgeons, and knowledge about the anatomy of glenoid deficits is scarce. In this study, we tried to evaluate the pattern of this pathology. METHODS: Our analysis included 44 shoulders from 44 patients with recurrent anterior shoulder instability accompanied by a clinically relevant glenoid bone loss. The defect size, the localization of the inferior defect edge, and the defect angle were measured, and osseous landmarks were identified...
May 11, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28503939/clarification-of-eponymous-anatomical-terminology-structures-named-after-dr-geoffrey-v-osborne-that-compress-the-ulnar-nerve-at-the-elbow
#20
Arvin R Wali, Brandon Gabel, Madhawi Mitwalli, R Shane Tubbs, Justin M Brown
BACKGROUND: In 1957, Dr Geoffrey Osborne described a structure between the medial epicondyle and the olecranon that placed excessive pressure on the ulnar nerve. Three terms associated with such structures have emerged: Osborne's band, Osborne's ligament, and Osborne's fascia. As anatomical language moves away from eponymous terminology for descriptive, consistent nomenclature, we find discrepancies in the use of anatomic terms. This review clarifies the definitions of the above 3 terms...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
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