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Functional Anatomy

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https://www.readbyqxmd.com/read/27921449/reduction-mammaplasty-with-the-modified-round-block-technique-in-chinese-patients-and-its-anatomy-study
#1
Wei Ding, Yinjia Ding, Hua Jiang
BACKGROUND: Although reduction mammaplasty is one of the most common procedures in plastic surgery, it is associated with some serious complications, especially in cases of severe hypertrophy or advanced ptosis, including necrosis of the nipple and areola, absence of normal sensation of the nipple-areolar complex, and loss of lactational function for future nursing. A thorough understanding of the breast anatomy is vital for successful reduction mammaplasty. This article describes the blood supply and innervation of the breasts, and introduces a modified round block technique for reduction mammaplasty based on this anatomy...
December 6, 2016: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/27921198/-metabolic-surgery-or-conservative-measures-as-therapy-of-obese-type%C3%A2-2%C3%A2-diabetics
#2
REVIEW
Udo Jahn, Thomas Schubert, Sibylle Schlepp, Heinz Jürgen Deuber
After bariatric surgery there are some favourable effects on comorbidities of obesity as glucose and lipid metabolism besides weight loss. Therefore surgical measures targeting at improvement of such metabolic disorders especially diabetes type 2 has been called "metabolic surgery". The complexity of its underlying metabolic mechanisms is not yet clear, but restriction of energy and weight loss (maintenance) seem to be the cornerstones.Risks of these procedures which are drawn of the established methods of bariatric surgery are reported to be relatively low in qualified centers...
December 5, 2016: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27921072/anatomy-based-algorithm-for-automatic-segmentation-of-human-diaphragm-in-noncontrast-computed-tomography-images
#3
Elham Karami, Yong Wang, Stewart Gaede, Ting-Yim Lee, Abbas Samani
In-depth understanding of the diaphragm's anatomy and physiology has been of great interest to the medical community, as it is the most important muscle of the respiratory system. While noncontrast four-dimensional (4-D) computed tomography (CT) imaging provides an interesting opportunity for effective acquisition of anatomical and/or functional information from a single modality, segmenting the diaphragm in such images is very challenging not only because of the diaphragm's lack of image contrast with its surrounding organs but also because of respiration-induced motion artifacts in 4-D CT images...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27920634/frontonasal-dysplasia-towards-an-understanding-of-molecular-and-developmental-aetiology
#4
REVIEW
Peter G Farlie, Naomi L Baker, Patrick Yap, Tiong Y Tan
The complex anatomy of the skull and face arises from the requirement to support multiple sensory and structural functions. During embryonic development, the diverse component elements of the neuro- and viscerocranium must be generated independently and subsequently united in a manner that sustains and promotes the growth of the brain and sensory organs, while achieving a level of structural integrity necessary for the individual to become a free-living organism. While each of these individual craniofacial components is essential, the cranial and facial midline lies at a structural nexus that unites these disparately derived elements, fusing them into a whole...
November 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27919760/proton-therapy-present-and-future
#5
REVIEW
Radhe Mohan, David Grosshans
In principle, proton therapy offers a substantial clinical advantage over the conventional photon therapy. This is because of the unique depth-dose characteristics of protons, which can be exploited to achieve significant reductions in normal tissue doses proximal and distal to the target volume. These may, in turn, allow escalation of tumor doses, greater sparing of normal tissues, thus potentially improving local control and survival while at the same time reducing toxicity and improving quality of life. Protons, accelerated to therapeutic energies ranging from 70 to 250MeV, typically with a cyclotron or a synchrotron, are transported to the treatment room where they enter the treatment head mounted on a rotating gantry...
December 2, 2016: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27919546/brain-morphometry-predicts-individual-creative-potential-and-the-ability-to-combine-remote-ideas
#6
David Bendetowicz, Marika Urbanski, Clarisse Aichelburg, Richard Levy, Emmanuelle Volle
For complex mental functions such as creative thinking, inter-individual variability is useful to better understand the underlying cognitive components and brain anatomy. Associative theories propose that creative individuals have flexible semantic associations, which allows remote elements to be formed into new combinations. However, the structural brain variability associated with the ability to combine remote associates has not been explored. To address this question, we performed a voxel-based morphometry (VBM) study and explored the anatomical connectivity of significant regions...
November 15, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27919458/impact-of-preoperative-pulmonary-function-on-outcomes-after-open-repair-of-descending-and-thoracoabdominal-aortic-aneurysms
#7
Leonard N Girardi, Christopher Lau, Monica Munjal, Mohamed Elsayed, Ivancarmine Gambardella, Lucas B Ohmes, Mario Gaudino
OBJECTIVE: To evaluate the impact of preoperative pulmonary function on outcomes after open repair of descending thoracic (DTA) and thoracoabdominal aortic (TAAA) aneurysms. METHODS: The outcomes of patients undergoing open repair of DTA or TAAA were analyzed in relation to the results of preoperative pulmonary function tests. Receiver operating characteristic was adopted to assess the effect of forced expiratory volume in one second (FEV1) on the incidence of mortality...
November 10, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27916192/long-term-outcome-of-bowel-function-for-110-consecutive-cases-of-hirschsprung-s-disease-comparison-of-the-abdominal-approach-with-transanal-approach-more-than-30years-in-a-single-institution-is-the-transanal-approach-truly-beneficial-for-bowel-function
#8
Shun Onishi, Kazuhiko Nakame, Kouji Yamada, Waka Yamada, Takafumi Kawano, Motoi Mukai, Tatsuru Kaji, Satoshi Ieiri
BACKGROUND: We compared the long-term outcomes of the bowel function (BF) in Hirschsprung's disease (HD) patients who underwent transanal endorectal pull-through (TA) with those who underwent the Soave-Denda (SD) procedure. METHODS: Patient data were collected from 1984 to 2015 from 110 HD patients who underwent definitive diagnosis and operation. The follow-up data were analyzed retrospectively. BF was evaluated according to the evacuation score (ES) of the Japan Society of Anorectal Malformation Study Group at 3, 5, 7, 9, and 11years of age...
December 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27916009/insertion-of-a-tracheoesophageal-speech-valve-a-novel-approach-in-a-difficult-situation
#9
C P Yiannakis, R B Townsley, I G Smillie, G L Picozzi
BACKGROUND: Functional voice rehabilitation is becoming increasingly important following total laryngectomy and pharyngolaryngectomy. Tracheoesophageal voice via a shunt valve is currently regarded as the 'gold standard' for voice rehabilitation. Traditional techniques usually allow for the replacement of valves in the out-patient setting; however, patient factors such as altered anatomy may occasionally prevent this. OBJECTIVE: This paper describes a novel approach for speech valve insertion that is safe, quick and cost-effective, and which uses equipment commonly available in ENT wards and the operating theatre...
December 5, 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27915422/state-of-the-art-review-of-the-right-ventricle-in-copd-patients-it-is-time-to-look-closer
#10
REVIEW
Daniela Graner Schuwartz Tannus-Silva, Marcelo Fouad Rabahi
Since the first description of pulmonary circulation in the 16th century, the knowledge of the complex interaction between the heart and lungs has greatly improved. Hypoxemia plays a classical role in the development of complications such as pulmonary hypertension and right ventricle (RV) dysfunction in patients presenting with chronic obstructive pulmonary disease (COPD). However, more recent results have revealed the presence of RV vascular structural and functional changes even in patients with mild COPD, without hypoxemia or pulmonary hypertension at rest...
December 3, 2016: Lung
https://www.readbyqxmd.com/read/27913997/mega-cecum-an-unrecognized-cause-of-symptoms-in-some-female-patients-with-uro-gynecological-symptoms-and-severe-slow-transit-constipation
#11
William Y Chey, Vincent Chang, Cameron M Hoellrich, Kae Yol Lee, Maxine Lubkin, Deborah Corcoran, Ta-Min Chang, William D Chey
BACKGROUND: A subset of female patients with severe constipation report overlapping uro-gynecological symptoms which have been attributed to visceral hypersensitivity. AIMS: To study colon morphology and motor function in female patients with medically refractory chronic constipation with or without uro-gynecological symptoms and to assess clinical outcomes following laparoscopic ileo-proctostomy. METHODS: Colon anatomy and cecal emptying time were assessed with plain films and fluoroscopy following a standardized test meal mixed with barium...
December 2, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27911674/cross-sectional-imaging-anatomy-and-pathologic-conditions-affecting-thoracic-nerves
#12
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...
December 2, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27910253/a-computed-tomography-guided-demonstration-of-the-unilateral-distribution-of-low-volume-epidural-injectate
#13
Semih Gungor, Rohit Aiyer
The epidural space is frequently used for placement of the epidural needle, catheter, and various pharmacological agents. The presence of structures in the epidural space such as epidural fat, venous plexus, or ligaments that may lead to uneven distribution of agents within the epidural space have been described.(1-3) Whether these structures are anatomical (such as connective tissue) or functional (due to distortions of actual anatomy secondary to injection of agents epidurally) has been disputed.(2-5) We describe our management of a patient who presented with bilateral radicular symptoms and severe low back pain...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27909669/reconstruction-of-massive-posterior-nonrepairable-acetabular-labral-tears-with-peroneus-brevis-tendon-allograft-arthroscopy-assisted-mini-open-approach
#14
Esther Moya, Luis Gerardo Natera, Carlomagno Cardenas, Emanuele Astarita, Vittorio Bellotti, Manel Ribas
Many of the described labral-reconstruction procedures are purely arthroscopic. This approach only allows segmentary reconstructions. For more extensive reconstructions, surgical dislocation of the hip still represents the more suitable approach. We present an arthroscopy-assisted procedure combined with an anterior mini-open approach, which could be considered for reconstruction of nonrepairable labral lesions located in the posterior aspect of the acetabulum and massive reconstructions in cases of global-pincer femoroacetabular impingement and protrusio acetabuli...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27908510/anatomy-and-physiology-of-the-small-bowel
#15
REVIEW
Neil Volk, Brian Lacy
Comprehension of small intestine physiology and function provides a framework for the understanding of several important disease pathways of the gastrointestinal system. This article reviews the development, anatomy and histology of the small bowel in addition to physiology and digestion of key nutrients.
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27908187/dosimetric-characterization-of-mri-only-treatment-planning-for-brain-tumors-in-atlas-based-pseudo-ct-images-generated-from-standard-t1-weighted-mr-images
#16
Benjamin Demol, Christine Boydev, Juha Korhonen, Nick Reynaert
PURPOSE: Magnetic resonance imaging (MRI)-only radiotherapy treatment planning requires accurate pseudo-CT (pCT) images for precise dose calculation. The current work introduced an atlas-based method combined with MR intensity information. pCT analyses and Monte Carlo dose calculations for intracranial stereotactic treatments were performed. METHODS: Twenty-two patients, representing 35 tumor targets, were scanned using a 3D T1-weighted MRI sequence according to the clinical protocol...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906782/predicting-heart-dose-in-breast-cancer-patients-who-received-3d-conformal-radiation-therapy
#17
Daniel Wollschläger, Heiko Karle, Marcus Stockinger, Detlef Bartkowiak, Sandra Bührdel, Hiltrud Merzenich, Thomas Wiegel, Heinz Schmidberger, Maria Blettner
Cardiac late effects are a major health concern for long-term survivors after radiotherapy for breast cancer. Large cohort studies to better understand the exact dose-response relationship require individual estimates of radiation dose to the heart. To predict individual cardiac dose from information that is typically available for all members of a retrospective epidemiological cohort study, 774 female breast cancer patients treated with megavoltage tangential field radiotherapy in 1998-2008 were examined. All dose distributions were calculated using Eclipse with the anisotropic analytical algorithm (AAA) for photon fields and the electron Monte Carlo algorithm for electron boost fields...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27904801/midfoot-and-forefoot-involvement-in-lateral-ankle-sprains-and-chronic-ankle-instability-part-1-anatomy-and-biomechanics
#18
John J Fraser, Mark A Feger, Jay Hertel
: The modern human foot is the culmination of more than five million years of evolution. The ankle-foot complex absorbs forces during loading, accommodates uneven surfaces, and acts as a lever for efficient propulsion. The ankle-foot complex has six independent functional segments that should be understood for proper assessment and treatment of foot and ankle injuries: the shank, rearfoot, midfoot, lateral forefoot, and the medial forefoot. The compliance of the individual segments of the foot is dependent on velocity, task, and active and passive coupling mechanisms within each of the foot segments...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27904790/current-concepts-in-the-treatment-of-gross-patellofemoral-instability
#19
Grant Buchanan, LeeAnne Torres, Brian Czarkowski, Charles E Giangarra
: Patellofemoral instability is a painful and commonly recurring condition, which often must be managed surgically. Diagnosis can be aided by the use of a variety of physical exam signs, such as the Q angle, Beighton hypermobility score, glide test, J sign, patellar tilt test, and apprehension test. Imaging modalities including x-ray, CT, and MRI guide both diagnosis and management by revealing trochlear dysplasia, bony malalignment, and ligamentous injury that contribute to instability...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27904659/advances-in-myocardial-ct-perfusion-imaging-technology
#20
REVIEW
Yan Yi, Zheng-Yu Jin, Yi-Ning Wang
With the booming development of CT technology, CT-based myocardial perfusion imaging (CTP) has begun to mature and has exhibited great advantages and application prospects as a complete evaluation method of anatomy and function for CAD. This article summarizes the CTP technology progress and analytical methods of CTP in recent years, briefly reviews the clinical relevance, and subsequently discusses the limitation and future development.
2016: American Journal of Translational Research
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