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Quantitative Imaging in Medicine and Surgery

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https://www.readbyqxmd.com/read/28932703/imaging-in-traumatic-mandibular-fractures
#1
REVIEW
Adil Naeem, Hugo Gemal, Duncan Reed
A fracture of the mandible is a common trauma presentation amongst young males and represents one of the most frequently encountered fractured bones within the viscerocranium. Historically, assault was the dominant contributing factor but now due to the increased number of vehicles used per capita, motor vehicle accidents are the primary cause. Mandibular fractures can be classified anatomically, by dentition, by muscle group and by severity. The fracture may also be closed, open, comminuted, displaced or pathological...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932702/emergency-ct-of-blunt-abdominal-trauma-experience-from-a-large-urban-hospital-in-southern-china
#2
REVIEW
Jingshan Gong, Dongdong Mei, Minjie Yang, Jianmin Xu, Yangyang Zhou
Trauma is one of the leading causes of death for men and women under the age of 45 years old, and abdominal injuries contribute to a large number of these deaths. Prompt diagnosis is very important for treatment decision making and can be life-saving. CT has become an essential imaging modality in emergency medicine. In this pictorial review, we present our experience of CT in blunt abdominal trauma and describe CT findings of common injuries, including hemoperitoneum, solid viscera, hollow viscera, mesenteric and diaphragmatic injuries...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932701/mr-imaging-of-the-traumatic-triangular-fibrocartilaginous-complex-tear
#3
REVIEW
Alex W H Ng, James F Griffith, Cindy S Y Fung, Ryan K L Lee, Cina S L Tong, Clara W Y Wong, Wing Lim Tse, Pak Cheong Ho
Triangular fibrocartilage complex is a major stabilizer of the distal radioulnar joint (DRUJ). However, triangular fibrocartilage complex (TFCC) tear is difficult to be diagnosed on MRI for its intrinsic small and thin structure with complex anatomy. The purpose of this article is to review the anatomy of TFCC, state of art MRI imaging technique, normal appearance and features of tear on MRI according to the Palmar's classification. Atypical tear and limitations of MRI in diagnosis of TFCC tear are also discussed...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932700/endovascular-management-of-arterial-injuries-after-blunt-or-iatrogenic-renal-trauma
#4
REVIEW
Romaric Loffroy, Olivier Chevallier, Sophie Gehin, Marco Midulla, Pierre-Emmanuel Berthod, Christophe Galland, Pascale Briche, Céline Duperron, Nabil Majbri, Christiane Mousson, Nicolas Falvo
The kidney is the third most common abdominal organ to be injured in trauma, following the spleen and liver, respectively. The most commonly used classification scheme is the American Association for the Surgery of Trauma (AAST) classification of blunt renal injuries, which grades renal injury according to the size of laceration and its proximity to the renal hilum. Arteriovenous fistula and pseudoaneurysm are the most common iatrogenic biopsy-related or surgery-related vascular injuries in native kidneys. The approach to renal artery injuries has changed over time from more aggressive intervention to more conservative observational or endovascular management, including selective transcatheter arterial embolization (TAE) and the placement of stents/stent grafts...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932699/imaging-of-shoulder-instability
#5
REVIEW
Fernando Ruiz Santiago, Alberto Martínez Martínez, Pablo Tomás Muñoz, José Pozo Sánchez, Antonio Zarza Pérez
This extended review tries to cover the imaging findings of the wide range of shoulder injuries secondary to shoulder joint instability. Usefulness of the different imaging methods is stressed, including radiography, computed tomography (CT) and magnetic resonance. The main topics to be covered include traumatic, atraumatic and minor instability syndromes. Radiography may show bone abnormalities associated to instability, including developmental and post-traumatic changes. CT is the best technique depicting and quantifying skeletal changes...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932698/quantitative-magnetic-resonance-mr-neurography-for-evaluation-of-peripheral-nerves-and-plexus-injuries
#6
REVIEW
Teodoro Martín Noguerol, Rafael Barousse, Mariano Socolovsky, Antonio Luna
Traumatic conditions of peripheral nerves and plexus have been classically evaluated by morphological imaging techniques and electrophysiological tests. New magnetic resonance imaging (MRI) studies based on 3D fat-suppressed techniques are providing high accuracy for peripheral nerve injury evaluation from a qualitative point of view. However, these techniques do not provide quantitative information. Diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) are functional MRI techniques that are able to evaluate and quantify the movement of water molecules within different biological structures...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932697/thoracic-wall-trauma-misdiagnosed-lesions-on-radiographs-and-usefulness-of-ultrasound-multidetector-computed-tomography-and-magnetic-resonance-imaging
#7
REVIEW
Xavier Tomas, Catherine Facenda, Nuno Vaz, Edgar Augusto Castañeda, Montserrat Del Amo, Ana Isabel Garcia-Diez, Jaime Pomes
Blunt injuries to the chest wall are an important chapter on emergency room (ER) departments, being the third most common injuries in trauma patients which ominous complications could appear. This article describes different types of traumatic events affecting the chest wall, which maybe misdiagnosed with conventional X-ray. Special emphasis has been done in computed tomography (CT) and multidetector CT (MDCT) imaging. This technique is considered the "gold-standard" for those traumatic patients, due to its fast acquisition covering the whole area of interest in axial plane, reconstructing multiplanar (2D, 3D) volume-rendered images with a superb quality and angiographic CT capabilities for evaluating vascular damage...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812007/erratum-to-a-comprehensive-literatures-update-of-clinical-researches-of-superparamagnetic-resonance-iron-oxide-nanoparticles-for-magnetic-resonance-imaging
#8
Yì Xiáng J Wáng, Jean-Marc Idée
[This corrects the article DOI: 10.21037/qims.2017.02.09.].
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812006/main-pulmonary-artery-trifurcation-in-association-with-persistent-right-common-pulmonary-vein-a-piece-of-embryological-puzzle
#9
Venkatraman Bhat, Karthik Gadabanahalli, Onkar Auti
No abstract text is available yet for this article.
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812005/left-ventricular-rigid-body-rotation-in-a-patient-with-acromegaly-from-the-magyar-path-study
#10
Attila Nemes, Árpád Kormányos, Péter Domsik, Anita Kalapos, Csaba Lengyel, Zsuzsanna Valkusz, Tamás Forster
No abstract text is available yet for this article.
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812004/orbitofrontal-cholesterol-granuloma-case-report-and-review-of-the-literature
#11
Lorenzo Ugga, Salvatore Stilo, Pasquale Napolitano, Elia Guadagno, Adriana Iuliano, Maria Laura Del Basso de Caro, Andrea Elefante
No abstract text is available yet for this article.
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812003/imaging-evaluation-of-catheter-integrity-prevent-potentially-fatal-complication-of-pinch-off-syndrome-illustration-of-two-cases
#12
Hanzhou Li, Serena Jen, Jayanth H Keshavamurthy, Gregory H Bowers, Hoang Anh Vo, Eran Rotem
No abstract text is available yet for this article.
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812002/image-guided-thermal-ablation-with-mr-based-thermometry
#13
REVIEW
Mingming Zhu, Ziqi Sun, Chin K Ng
Thermal ablation techniques such as radiofrequency, microwave, high intensity focused ultrasound (HIFU) and laser have been used as minimally invasive strategies for the treatment of variety of cancers. MR thermometry methods are readily available for monitoring thermal distribution and deposition in real time, leading to decrease of incidents of normal tissue damage around targeted lesion. HIFU and laser-induced thermal therapy (LITT) are the two widely accepted tumor ablation techniques because of their compatibility with MR systems...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812001/recent-advances-in-terahertz-technology-for-biomedical-applications
#14
REVIEW
Qiushuo Sun, Yuezhi He, Kai Liu, Shuting Fan, Edward P J Parrott, Emma Pickwell-MacPherson
Terahertz instrumentation has improved significantly in recent years such that THz imaging systems have become more affordable and easier to use. THz systems can now be operated by non-THz experts greatly facilitating research into many potential applications. Due to the non-ionising nature of THz light and its high sensitivity to soft tissues, there is an increasing interest in biomedical applications including both in vivo and ex vivo studies. Additionally, research continues into understanding the origin of contrast and how to interpret terahertz biomedical images...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28812000/diagnostic-imaging-features-of-necrotizing-enterocolitis-a-narrative-review
#15
REVIEW
Francesco Esposito, Rosanna Mamone, Marco Di Serafino, Carmela Mercogliano, Valerio Vitale, Gianfranco Vallone, Patrizia Oresta
Necrotizing enterocolitis (NEC) is an inflammatory process, characterized by intestinal necrosis of variable extension, leading to perforation, generalized peritonitis and death. The classical pathogenetic theory focuses on mucosal damage related to a stress induced intestinal ischemia leading to mucosal injury and bacterial colonization of the wall. A more recent hypothesis emphasizes the role of immaturity of gastrointestinal and immune system, particularly of the premature, responsible of bowel wall vulnerability and suffering...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811999/quantitative-analysis-of-epicardial-fat-volume-effects-of-scanning-protocol-and-reproducibility-of-measurements-in-non-contrast-cardiac-ct-vs-coronary-ct-angiography
#16
Luigia D'Errico, Francesco Salituri, Marco Ciardetti, Riccardo Favilla, Alessandro Mazzarisi, Giuseppe Coppini, Carlo Bartolozzi, Paoli Marraccini
BACKGROUND: Several studies have focused on the role of epicardial fat in the pathogenesis of cardiovascular disease (CVD). The main purpose of the study was to evaluate a computerized method for the quantitative analysis of epicardial fat volume (EFV) by non-contrast cardiac CT (NCT) for coronary calcium scan and coronary CT angiography (coronary CTA). METHODS: Thirty patients (61±12.5 years, 73% male, body mass index (BMI) =25.9±6.3 kg/m(2)) referred to our Institution for suspected coronary artery disease (CAD) underwent NCT and coronary CTA...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811998/paracoccidioidomycosis-level-of-pulmonary-sequelae-in-high-resolution-computed-tomography-images-from-patients-of-two-endemic-regions-of-brazil
#17
Diana Rodrigues de Pina, Matheus Alvarez, Guilherme Giacomini, Ana Luiza Menegatti Pavan, Carlos Ivan Andrade Guedes, Ricardo de Souza Cavalcante, Rinaldo Poncio Mendes, Anamaria Mello Miranda Paniago
BACKGROUND: The purpose of the present study was to evaluate differences in lung damage in patients with paracoccidioidomycosis (PCM) in two endemic regions of Brazil (Botucatu, SP, in the southeastern region and Campo Grande, MS, in the west central region). METHODS: The study sought to objectively quantify fibrosis and emphysema treated patients using high-resolution computed tomography (HRCT) that was performed according to an established and validated computational method...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811997/estimation-of-kidneys-and-urinary-bladder-doses-based-on-the-region-of-interest-in-18-fluorine-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-examination-a-preliminary-study
#18
Farida Aimi Mustapha, Farahnaz Ahmad Anwar Bashah, Ihsan M Yassin, Ahmad Saad Fathinul Fikri, Abdul Jalil Nordin, Hairil Rashmizal Abdul Razak
BACKGROUND: Kidneys and urinary bladder are common physiologic uptake sites of 18fluorine-fluorodeoxyglucose ((18)F-FDG) causing increased exposure of low energy ionizing radiation to these organs. Accurate measurement of organ dose is vital as (18)F-FDG is directly exposed to the organs. Organ dose from (18)F-FDG PET is calculated according to the injected (18)F-FDG activity with the application of dose coefficients established by International Commission on Radiological Protection (ICRP)...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811996/experimental-method-and-statistical-analysis-to-fit-tumor-growth-model-using-spect-ct-imaging-a-preclinical-study
#19
Ivan Hidrovo, Joyoni Dey, Megan E Chesal, Dmytro Shumilov, Narayan Bhusal, J Michael Mathis
BACKGROUND: Over the last decade, several theoretical tumor-models have been developed to describe tumor growth. Oncology imaging is performed using various modalities including computed tomography (CT), magnetic resonance imaging (MRI), single-photon emission computed tomography (SPECT) and fluorodeoxyglucose-positron emission tomography (FDG-PET). Our goal is to extract useful, otherwise hidden, quantitative biophysical parameters (such as growth-rate, tumor-necrotic-factor, etc.) from these serial images of tumors by fitting mathematical models to images...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811995/agreement-between-gamma-passing-rates-using-computed-tomography-in-radiotherapy-and-secondary-cancer-risk-prediction-from-more-advanced-dose-calculated-models
#20
Abdulhamid Chaikh, Jacques Balosso
BACKGROUND: During the past decades, in radiotherapy, the dose distributions were calculated using density correction methods with pencil beam as type 'a' algorithm. The objectives of this study are to assess and evaluate the impact of dose distribution shift on the predicted secondary cancer risk (SCR), using modern advanced dose calculation algorithms, point kernel, as type 'b', which consider change in lateral electrons transport. METHODS: Clinical examples of pediatric cranio-spinal irradiation patients were evaluated...
June 2017: Quantitative Imaging in Medicine and Surgery
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