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https://www.readbyqxmd.com/read/29101986/acr-appropriateness-criteria-%C3%A2-multiple-gestations
#1
Phyllis Glanc, David A Nyberg, Nadia J Khati, Sandeep Prakash Deshmukh, Kika M Dudiak, Tara Lynn Henrichsen, Liina Poder, Thomas D Shipp, Lynn Simpson, Therese M Weber, Carolyn M Zelop
Women with twin or higher-order pregnancies will typically have more ultrasound examinations than women with a singleton pregnancy. Most women will have at minimum a first trimester scan, a nuchal translucency evaluation scan, fetal anatomy scan at 18 to 22 weeks, and one or more scans in the third trimester to evaluate growth. Multiple gestations are at higher risk for preterm delivery, congenital anomalies, fetal growth restriction, placenta previa, vasa previa, and velamentous cord insertion. Chorionicity and amnionicity should be determined as early as possible when a twin pregnancy is identified to permit triage of the monochorionic group into a closer surveillance model...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101981/acr-appropriateness-criteria-%C3%A2-cranial-neuropathy
#2
Bruno Policeni, Amanda S Corey, Judah Burns, David B Conley, R Webster Crowley, H Benjamin Harvey, Jenny Hoang, Christopher H Hunt, Bharathi D Jagadeesan, Amy F Juliano, Tabassum A Kennedy, Gul Moonis, Jeffrey S Pannell, Nandini D Patel, Joel S Perlmutter, Joshua M Rosenow, Jason W Schroeder, Mathew T Whitehead, Rebecca S Cornelius
Evaluation of cranial neuropathy can be complex given the different pathway of each cranial nerve as well as the associated anatomic landmarks. Radiological evaluation requires imaging of the entire course of the nerve from its nucleus to the end organ. MRI is the modality of choice with CT playing a complementary role, particularly in the evaluation of the bone anatomy. Since neoplastic and inflammatory lesions are prevalent on the differential diagnosis, contrast enhanced studies are preferred when possible...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29049667/when-can-computed-tomography-fissure-analysis-replace-chartis-collateral-ventilation-assessment-in-the-prediction-of-patients-with-emphysema-who-might-benefit-from-endobronchial-valve-therapy
#3
Alfonso Fiorelli, Mario Santini, Pallav Shah
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was when can computed tomography-fissure analysis replace Chartis collateral ventilation assessment in the prediction of patients with emphysema who might benefit from endobronchial valve therapy? Twelve papers were chosen to answer the question. The authors, date, journal, country of publication and study type; patient group studied; relevant outcomes and results of these papers were tabulated. Five studies retrospectively compared the prognostic value of 2 methods...
September 5, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29022090/radiologic-evaluation-of-patients-undergoing-the-modified-appleby-procedure-for-locally-advanced-pancreatic-neoplasms-a-case-series
#4
Merel A T Vergauwen, Michele Perillo, Alejandro Garces-Descovich, Courtney E Barrows, A James Moser, Koenraad J Mortelé
PURPOSE: Despite advances in medical and surgical care, pancreatic ductal adenocarcinoma remains one of the most locally aggressive neoplastic processes in the abdomen. Unfortunately, most pancreatic adenocarcinomas present late and are unresectable at time of diagnosis. The modified Appleby procedure is a surgical option in patients with locally advanced pancreatic neoplasms of the body and tail with vascular invasion of the celiac trunk. To our knowledge, no radiologic journal has previously reported on the pre-operative evaluation or postoperative imaging findings of such patients...
October 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28990838/3d-printing-calcaneal-fractures-continuously-improving-our-care-by-making-a-complex-problem-tangible
#5
Tim Schepers, Dominique Misselyn
Calcaneal fractures are amongst the most complex injuries known to man. Their intricate anatomy and extensive damage after trauma make them difficult to understand and treat. Most surgeons specialized in foot and ankle trauma agree that in most patients surgical managements yields the best result. Functional outcome is largely dependent on preventing complications and restoring anatomy. Reconstruction of height and suntalar joint congruency for example are both associated with improved outcome. Over the years insight in the complex (patho-)anatomy has increased...
October 9, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28967334/when-is-cone-beam-computed-tomography-imaging-appropriate-for-diagnostic-inquiry-in-the-management-of-inflammatory-periodontitis-an-american-academy-of-periodontology-best-evidence-review
#6
David M Kim, Seyed Hossein Bassir
BACKGROUND: Clinical and radiographic examinations are essential in establishing correct periodontal diagnoses as well as providing appropriate treatment options. Current radiographic examinations, however, do not provide adequate information regarding the severity of periodontal disease, presenting a need to investigate alternative methods. The aim of this best evidence consensus is to determine when cone-beam computed tomography (CBCT) imaging is appropriate for diagnostic inquiry in the management of inflammatory periodontitis...
October 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28961025/generation-and-evolution-of-neural-cell-types-and-circuits-insights-from-the-drosophila-visual-system
#7
Michael Perry, Nikos Konstantinides, Filipe Pinto-Teixeira, Claude Desplan
The Drosophila visual system has become a premier model for probing how neural diversity is generated during development. Recent work has provided deeper insight into the elaborate mechanisms that control the range of types and numbers of neurons produced, which neurons survive, and how they interact. These processes drive visual function and behavioral preferences. Other studies are beginning to provide insight into how neuronal diversity evolved in insects by adding new cell types and modifying neural circuits...
September 27, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28945853/dr-albert-l-rhoton-jr-s-time-at-the-mayo-clinic-the-beginnings-of-a-remarkable-career
#8
Tarek Rayan, Matthew L Carlson, David G Piepgras, Michael J Link, Jamie J Van Gompel
Dr Albert L. Rhoton Jr became the focal point of neurosurgery's evolution in understanding the intricate and complex microanatomy of the human brain over the last 4 decades. His pioneering work on cadaveric specimens proved to be a pivotal endeavor in the pursuit to better understand the complex microsurgical anatomy of cranial surgery. This paper details his early career at the Mayo Clinic in Rochester, Minnesota. A comprehensive review and synthesis of data acquired from the institutional historical archives including the Annual Reports to the Executive Committee, the Reports to the Board of Directors, the MAYOVOX Newsletter, the illustration archives of the Mayo Clinic Division of Creative Media, staff biographies, curriculum vitae, personal interviews, as well as full-text journal articles, and book publications was performed...
August 9, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28928496/dorsal-scapular-nerve-neuropathy-a-narrative-review-of-the-literature
#9
Brad Muir
OBJECTIVE: The purpose of this paper is to elucidate this little known cause of upper back pain through a narrative review of the literature and to discuss the possible role of the dorsal scapular nerve (DSN) in the etiopathology of other similar diagnoses in this area including cervicogenic dorsalgia (CD), notalgia paresthetica (NP), SICK scapula and a posterolateral arm pain pattern. BACKGROUND: Dorsal scapular nerve (DSN) neuropathy has been a rarely thought of differential diagnosis for mid scapular, upper to mid back and costovertebral pain...
August 2017: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/28924737/contribution-to-the-anatomical-nomenclature-concerning-lower-limb-anatomy
#10
David Kachlik, Vladimir Musil, Vaclav Baca
PURPOSE: The aim of this article is to extend and revise the sections of Terminologia Anatomica (TA) dealing with the lower limb structures and to justify the use of newly proposed anatomical terms in clinical medicine, education, and research. METHODS: Anatomical terms were gathered during our educational experience from anatomical textbooks and journals and compared with the four previous editions of the official Latin anatomical nomenclature. RESULTS: The authors summarise 270 terms with their definitions and explanations for both constant and variable morphological structures (bones, joints, muscles, vessels, nerves and superficial structures) of the hip, thigh, knee, leg, ankle, and foot completed with several grammatical remarks and some general anatomical terms...
September 18, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28885381/characteristics-of-medical-adverse-events-near-misses-associated-with-laparoscopic-thoracoscopic-surgery-a-retrospective-study-based-on-the-japanese-national-database-of-medical-adverse-events
#11
Takashige Abe, Sachiyo Murai, Yasuyuki Nasuhara, Nobuo Shinohara
OBJECTIVES: The aim of this study was to clarify the characteristics of adverse events/near misses during laparoscopic/thoracoscopic surgery. METHODS: Using relevant key words for minimally invasive surgeries, 540 records were identified in the database of the Japan Council for Quality Health Care. After data review and the classification of adverse events, 746 events associated with laparoscopic (laparo group) and/or thoracoscopic (thoraco group) surgery were identified...
September 6, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28856021/wrist-ultrasound-examination-scanning-technique-and-ultrasound-anatomy-part-2-ventral-wrist
#12
REVIEW
Cyprian Olchowy, Daniel Soliński, Mateusz Łasecki, Paweł Dąbrowski, Szymon Urban, Urszula Zaleska-Dorobisz
Ultrasound imaging of the musculoskeletal system is an important element of the diagnostic and therapeutic protocol. Clinical decisions, including those regarding surgical procedures, are often based solely on ultrasound imaging. However, detailed knowledge on the anatomy and a correct scanning technique are crucial for an accurate diagnosis. Modern ultrasonographic equipment allows obtaining detailed anatomical images of muscle tendons, ligaments, nerves and vessels of the carpal area. Ventral wrist ultrasound is one of the most common diagnostic procedures in patients with suspected carpal tunnel syndrome...
June 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28826990/managing-the-left-atrial-appendage-in-atrial-fibrillation-current-state-of-the-art
#13
REVIEW
Waqaar Khawar, Nathan Smith, Saqib Masroor
BACKGROUND: Patients with atrial fibrillation are at increased risk for thromboembolic stroke originating predominantly in the left atrial appendage. To reduce the risk, the standard of care is anticoagulation. In addition, several devices for exclusion of the left atrial appendage have been developed. METHODS: PubMed was searched for articles relevant to left atrial appendage management. The resulting articles were reviewed as were relevant articles in their bibliographies...
August 19, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28793810/remote-sensing-tropical-coral-reefs-the-view-from-above
#14
Sam J Purkis
Carbonate precipitation has been a common life strategy for marine organisms for 3.7 billion years, as, therefore, has their construction of reefs. As favored by modern corals, reef-forming organisms have typically adopted a niche in warm, shallow, well-lit, tropical marine waters, where they are capable of building vast carbonate edifices. Because fossil reefs form water aquifers and hydrocarbon reservoirs, considerable effort has been dedicated to understanding their anatomy and morphology. Remote sensing has a particular role to play here...
August 9, 2017: Annual Review of Marine Science
https://www.readbyqxmd.com/read/28665889/mri-of-the-central-lymphatic-system-indications-imaging-technique-and-pre-procedural-planning
#15
REVIEW
Vishwan Pamarthi, Waleska M Pabon-Ramos, Vincent Marnell, Lynne M Hurwitz
Magnetic resonance imaging is increasingly being used to evaluate the lymphatic system. Advances in magnetic resonance (MR) software and hardware allow improved visualization of lymph nodes and lymphatic vessels. We describe how MR lymphangiography can be used to diagnose central lymphatic system anatomy and pathology, which can be used for diagnostic purposes or for pre-procedural planning.
August 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28661727/transcriptomic-perspectives-on-neocortical-structure-development-evolution-and-disease
#16
Ed S Lein, T Grant Belgard, Michael Hawrylycz, Zoltán Molnár
The cerebral cortex is the source of our most complex cognitive capabilities and a vulnerable target of many neurological and neuropsychiatric disorders. Transcriptomics offers a new approach to understanding the cortex at the level of its underlying genetic code, and rapid technological advances have propelled this field to the high-throughput study of the complete set of transcribed genes at increasingly fine resolution to the level of individual cells. These tools have revealed features of the genetic architecture of adult cortical areas, layers, and cell types, as well as spatiotemporal patterning during development...
July 25, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28656352/staying-out-of-double-bubble-and-bottoming-out-deformities-in-dual-plane-breast-augmentation-anatomical-and-clinical-study
#17
Marzia Salgarello, Giuseppe Visconti
BACKGROUND: Double-bubble and bottoming-out deformities represent the second most common reason for revision surgery in breast augmentation. Etiopathogenesis of these complications is still unclear. The aim of this paper is to report our findings in breast cadaver dissections focusing on the inframammary fold (IMF) applied anatomy and to critically review our ten-year experience in breast augmentation. METHODS: A cadaveric study has been performed on four consecutive embalmed cadavers...
October 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28508263/new-insights-into-the-anatomy-of-the-midface-musculature-and-its-implications-on-the-nasolabial-fold
#18
Chelsea C Snider, Ashley N Amalfi, Lauren E Hutchinson, Nicole Z Sommer
BACKGROUND: The prominent nasolabial fold is a distinct feature of the aging midface. As minimally invasive procedures have become mainstream, chemodenervation is a preferred method for treating dynamic facial rhytids. We therefore sought to identify relevant nasolabial fold and midfacial muscular anatomy to determine the ideal location of neuromodulation to improve the aesthetics of the midface and nasolabial fold without altering the upper lip and smile. METHODS: Twelve hemifacial cadaveric dissections were performed to identify midface muscle origin, insertion, width, vector of pull, and neighboring structures...
October 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28473073/acr-appropriateness-criteria-%C3%A2-known-or-suspected-congenital-heart-disease-in-the-adult
#19
Pamela K Woodard, Vincent B Ho, Scott R Akers, Garth Beache, Richard K J Brown, Kristopher W Cummings, S Bruce Greenberg, James K Min, Arthur E Stillman, Jadranka Stojanovska, Jill E Jacobs
The incidence of congenital heart disease (CHD) has been increasing in the adult patient population in part as a result of better patient survival. Patients with more severe CHD are living longer. Nearly all adults with known CHD require periodic imaging as a means of monitoring their disease process. Furthermore, adult patients with suspected CHD require imaging as a means of definitive diagnosis. As a result, it is important for both the referring clinician and the imager to be aware of the most appropriate imaging modality needed to obtain the data most needed to direct the next steps in patient care...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28441114/neural-circuitry-of-reward-prediction-error
#20
Mitsuko Watabe-Uchida, Neir Eshel, Naoshige Uchida
Dopamine neurons facilitate learning by calculating reward prediction error, or the difference between expected and actual reward. Despite two decades of research, it remains unclear how dopamine neurons make this calculation. Here we review studies that tackle this problem from a diverse set of approaches, from anatomy to electrophysiology to computational modeling and behavior. Several patterns emerge from this synthesis: that dopamine neurons themselves calculate reward prediction error, rather than inherit it passively from upstream regions; that they combine multiple separate and redundant inputs, which are themselves interconnected in a dense recurrent network; and that despite the complexity of inputs, the output from dopamine neurons is remarkably homogeneous and robust...
July 25, 2017: Annual Review of Neuroscience
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