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https://www.readbyqxmd.com/read/28227960/automated-volumetry-for-unilateral-hippocampal-sclerosis-detection-in-patients-with-temporal-lobe-epilepsy
#1
Cristina Martins, Nadia Moreira da Silva, Guilherme Silva, Verena E Rozanski, Joao Paulo Silva Cunha, Cristina Martins, Nadia Moreira da Silva, Guilherme Silva, Verena E Rozanski, Joao Paulo Silva Cunha, Joao Paulo Silva Cunha, Guilherme Silva, Verena E Rozanski, Nadia Moreira da Silva, Cristina Martins
Hippocampal sclerosis (HS) is the most common cause of temporal lobe epilepsy (TLE) and can be identified in magnetic resonance imaging as hippocampal atrophy and subsequent volume loss. Detecting this kind of abnormalities through simple radiological assessment could be difficult, even for experienced radiologists. For that reason, hippocampal volumetry is generally used to support this kind of diagnosis. Manual volumetry is the traditional approach but it is time consuming and requires the physician to be familiar with neuroimaging software tools...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227726/mobile-teleradiology-system-suitable-for-m-health-services-supporting-content-and-semantic-based-image-retrieval-on-a-grid-infrastructure
#2
Alexandra La Cruz, Ruben Medina, Francisco Vega, Wilson Perez, Blanca Ochoa, Victor Saquicela, Mauricio Espinoza, Lizandro Solano-Quinde, Maria-Esther Vidal, Alexandra La Cruz, Ruben Medina, Francisco Vega, Wilson Perez, Blanca Ochoa, Victor Saquicela, Mauricio Espinoza, Lizandro Solano-Quinde, Maria-Esther Vidal, Victor Saquicela, Francisco Vega, Mauricio Espinoza, Lizandro Solano-Quinde, Blanca Ochoa, Maria-Esther Vidal, Alexandra La Cruz, Ruben Medina, Wilson Perez
Teleradiology systems tackle the problem of transferring radiological images between medical image workstations for facilitating different medical activities, e.g., diagnosis, treatment and follow up a patient, medical training, or consulting second opinion. Nowadays, m-Health (aka mobile health) is becoming popular because of high quality of mobile displays, although remains a work in progress. In this paper a mobile teleradiology system is reported, which main contribution is the development of a platform: (1) supported by a Grid infrastructure, (2) using biomedical ontologies for adding semantic annotations on medical images, and (3) supporting semantic and content-based image retrieval...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226771/multimodal-characterization-of-radiologically-detectable-lung-lesions
#3
Atasi Sarkar, A Sadhu, S Basu Thakur, S Sengupta, A Mukherjee, Jyotirmoy Chatterjee, Atasi Sarkar, A Sadhu, S Basu Thakur, S Sengupta, A Mukherjee, Jyotirmoy Chatterjee, S Basu Thakur, A Mukherjee, Atasi Sarkar, S Sengupta, A Sadhu, Jyotirmoy Chatterjee
Diagnosing radiologically detectable lung lesions on the basis of cyto/histopathological staining often suffers from ambiguity, leading to faulty detection of lung diseases, especially cancer. Present study attempted to perform a multimodal characterzation of clinical samples from patients with radiologically detected lung lesions, in order to classify diseases with higher precision. The study included analysing nuclear morphometric and intensity based differences between benign and malignant lung lesions in a quantitative way...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226730/rf-induced-energy-for-partially-implanted-catheters-a-computational-study
#4
Elena Lucano, Micaela Liberti, Tom Lloyd, Francesca Apollonio, Steve Wedan, Wolfgang Kainz, Leonardo M Angelone, Elena Lucano, Micaela Liberti, Tom Lloyd, Francesca Apollonio, Steve Wedan, Wolfgang Kainz, Leonardo M Angelone, Elena Lucano, Leonardo M Angelone, Tom Lloyd, Steve Wedan, Francesca Apollonio, Wolfgang Kainz, Micaela Liberti
Magnetic Resonance Imaging (MRI) is a radiological imaging technique widely used in clinical practice. MRI has been proposed to guide the catheters for interventional procedures, such as cardiac ablation. However, there are risks associated with this procedure, such as RF-induced heating of tissue near the catheters. The aim of this study is to develop a quantitative RF-safety method for patients with partially implanted leads at 64 MHz. RF-induced heating is related to the electric field incident along the catheter, which in turns depends on several variables, including the position of the RF feeding sources and the orientation of the polarization, which are however often unknown...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226726/guide-wire-detecting-using-a-modified-cascade-classifier-in-interventional-radiology
#5
Li Wang, Xiao-Liang Xie, Zhan-Jie Gao, Gui-Bin Bian, Zeng-Guang Hou, Li Wang, Xiao-Liang Xie, Zhan-Jie Gao, Gui-Bin Bian, Zeng-Guang Hou
Endovascular surgery is becoming a widespread procedure to treat cardiovascular diseases (CVDs) such as abdominal aortic aneurysm and peripheral artery disease. The guide-wire is a crucial surgical instrument inserted into vessels to offer guidance to physicians during the surgery. There are some approaches for tracking the guide-wire, most algorithms consist of two phases, namely, the initialization phase and the tracking phase. In the initialization phase, most algorithms use B-splines for modeling the guide-wire which requires manually annotated data...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226030/a-novel-model-to-estimate-lymph-node-metastasis-in-endometrial-cancer-patients
#6
Cristina Anton, Alexandre Silva E Silva, Edmund Chada Baracat, Nasuh Utku Dogan, Christhardt Köhler, Jesus Paula Carvalho, Giovanni Mastrantonio di Favero
OBJECTIVES: To evaluate the postoperative pathological characteristics of hysterectomy specimens, preoperative cancer antigen (CA)-125 levels and imaging modalities in patients with endometrial cancer and to build a risk matrix model to identify and recruit patients for retroperitoneal lymphadenectomy. METHODS: A total of 405 patients undergoing surgical treatment for endometrial cancer were retrospectively reviewed and analyzed. Clinical (age and body mass index), laboratory (CA-125), radiological (lymph node evaluation), and pathological (tumour size, grade, lymphovascular space invasion, lymph node metastasis, and myometrial invasion) parameters were used to test the ability to predict lymph node metastasis...
January 1, 2017: Clinics
https://www.readbyqxmd.com/read/28225901/tuberculosis-associated-factors-caused-by-mycobacterium-tuberculosis-of-the-rdrio-genotype
#7
Eloise Brasil Moraes, Letícia Slompo, Amanda Juliane Finardi, Heloisa Paro Pedro da Silveira, Luciana Ruiz, Harrison Magdinier Gomes, Virginia Bodelão Richini, Philip Suffys, Carlos Magno Castelo Branco Fortaleza, Ricardo Cavalcanti, Ida Maria Foschiani Dias Baptista
BACKGROUND: Tuberculosis (TB) continues to be a disease that affects many countries around the world, including Brazil. Recently, a subtype of Latin American-Mediterranean family strain was identified and characterised by RDRio. The strain has been associated with different characteristics of the disease. OBJECTIVES: In the present study we investigated the association of epidemiological, clinical, radiological and bacteriological variables with pulmonary tuberculosis caused by RDRioMycobacterium tuberculosis strain in large regions of São Paulo...
March 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225895/tuberculosis-associated-factors-caused-by-mycobacterium-tuberculosis-of-the-rdrio-genotype
#8
Eloise Brasil Moraes, Letícia Slompo, Amanda Juliane Finardi, Heloisa Paro Pedro da Silveira, Luciana Ruiz, Harrison Magdinier Gomes, Virginia Bodelão Richini, Philip Suffys, Carlos Magno Castelo Branco Fortaleza, Ricardo Cavalcanti, Ida Maria Foschiani Dias Baptista
BACKGROUND: Tuberculosis (TB) continues to be a disease that affects many countries around the world, including Brazil. Recently, a subtype of Latin American-Mediterranean family strain was identified and characterised by RDRio. The strain has been associated with different characteristics of the disease. OBJECTIVES: In the present study we investigated the association of epidemiological, clinical, radiological and bacteriological variables with pulmonary tuberculosis caused by RDRioMycobacterium tuberculosis strain in large regions of São Paulo...
February 16, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225634/journal-club-ultrasound-guided-breast-interventions-low-incidence-of-infectious-complications-with-use-of-an-uncovered-probe
#9
Chris Reisenauer, Robert T Fazzio, Gina Hesley
OBJECTIVE: The purpose of this study was to determine the incidence of infectious complications after ultrasound-guided breast interventions performed with an intermediate-level disinfection protocol without an ultrasound probe cover. MATERIALS AND METHODS: Two independent institutional databases were searched to identify breast infections in patients who underwent ultrasound-guided interventions between January 2005 and July 2013. The departments of radiology and infectious diseases independently maintained these databases...
February 22, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28225486/abdominal-cystic-lymphangioma-in-a-term-newborn-a-case-report-and-update-of-new-treatments
#10
Ilaria Amodeo, Giacomo Cavallaro, Genny Raffaeli, Lorenzo Colombo, Monica Fumagalli, Riccardo Cavalli, Ernesto Leva, Fabio Mosca
INTRODUCTION: Lymphatic malformations are benign anomalies derived from the abnormal development of lymphatic channels. Usually asymptomatic, they can cause compression on adjacent structures or present acute complications (bleeding or infection). Small asymptomatic lesions can be conservatively managed since the possibility of spontaneous regressions is described, while symptomatic lesions require active management. Less invasive therapeutic options are now preferred instead of surgery (sclerotherapy, laser therapy)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28225482/a-case-report-of-posterior-reversible-encephalopathy-syndrome-in-a-patient-receiving-gemcitabine-and-cisplatin
#11
Hannah Cherniawsky, Neesha Merchant, Micheal Sawyer, Maria Ho
RATIONALE: Posterior reversible encephalopathy syndrome (PRES) is a subacute syndrome causing characteristic neurologic and radiologic findings. PRES is predominantly caused by malignant hypertension though it has been associated with immunosuppressive treatments such as chemotherapy. PATIENT CONCERNS: We describe a case of a 58 year old female who developed fluctuant level of consciousness, agitation. DIAGNOSIS: MRI findings were in keeping with posterior reversible encephalopathy syndrome following cycle 6 of palliative gemcitabine and cisplatin therapy for metastatic cholangiocarcinoma...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28225307/17a-hydroxylase-17-20-lyase-deficiency-clinical-and-molecular-characterization-of-eight-chinese-patients
#12
Chaoming Wu, Shanshan Fan, Yanying Qian, Yingying Zhou, Jian Jin, Zhijuan Dai, Ling Jiang
BACKGROUND: 17α-hydroxylase/17, 20-lyase deficiency (17OHD) is caused by mutations in CYP17A1 gene. OBJECTIVE: To better understand 17OHD, a rare disease, we described the clinical features and analyzed the CYP17A1 gene in eight affected Chinese patients. METHODS: Patients with complete (7/8) or partial (1/8) 17OHD were derived from six families. The diagnosis was established according to their clinical, biochemical, hormonal and radiological characteristics...
February 22, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28224399/can-neuroimaging-differentiate-pfo-and-af-related-cardioembolic-stroke-from-the-other-embolic-sources-clinical-radiological-correlation-on-a-retrospective-study
#13
Alessandro Stecco, Martina Quagliozzi, Eleonora Soligo, Andrea Naldi, Alessia Cassarà, Lorenzo Coppo, Roberta Rosso, Angelo Sante Bongo, Paola Amatuzzo, Francesco Buemi, Elena Guenzi, Alessandro Carriero
PURPOSE: The aim of this retrospective study was to map the specific ischemic lesion patterns of distribution in patent foramen ovale-related stroke (PFO-stroke) and atrial fibrillation-related stroke (AF-stroke) in patients with idiopatic ischemic stroke. MATERIALS AND METHODS: 750 ischaemic strokes were screened on basis of diagnostic imaging and tests: patients with known causes were excluded. 171 patients with unknown cause were selected and divided in two groups: AF-stroke (43 patients) and PFO-stroke (128 patients)...
February 21, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28224380/who-you-gonna-call-automatically-connecting-radiologists-to-the-right-clinician
#14
Ross Filice
Contacting clinicians to convey critical results is a critical part of radiology workflow, but many obstacles prevent easy and timely communication. Integration of radiology applications and workflow with an EHR-based patient coverage database demonstrated subjective and objective improvement in radiologist workflow and satisfaction.
February 21, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28224319/fine-morphological-evaluation-of-hypothalamus-in-patients-with-hyperphagia
#15
Yoshikazu Ogawa, Kuniyasu Niizuma, Teiji Tominaga
BACKGROUND: Various metabolic diseases induced by eating disorders are some of the most serious and difficult problems for modern public healthcare. However, little is known about hyperphagia, partly because of the lack of a clear definition. Several basic studies have analyzed eating habits using endocrinological or neurophysiological approaches, which have suggested a controlled balance between the hunger and satiety centers in the central nervous system. However, more detailed neuro-radiologic evaluations have not been achieved for the hypothalamus, and evaluations were limited only to the floor of the third ventricles...
February 21, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28224297/fracture-reduction-by-postoperative-mobilisation-for-the-treatment-of-hyperextension-injuries-of-the-thoracolumbar-spine-in-patients-with-ankylosing-spinal-disorders
#16
Richard A Lindtner, Christian Kammerlander, Michael Goetzen, Alexander Keiler, Davud Malekzadeh, Dietmar Krappinger, Rene Schmid
INTRODUCTION: The aim of this study was to evaluate results of surgical stabilisation of hyperextension injuries of the thoracolumbar spine in patients with ankylosing spinal disorders using two different treatment strategies: the conventional open rigid posterior instrumentation and percutaneous less rigid posterior instrumentation. Surgical and non-surgical complications, the postoperative radiological course, and clinical outcome at final follow-up were comparatively assessed. Moreover, we sought to discuss important biomechanical and surgical aspects specific to posterior instrumentation of the ankylosed thoracolumbar spine as well as to elaborate on the advantages and limitations of the proposed new treatment strategy involving percutaneous less rigid stabilisation and fracture reduction by postoperative mobilisation...
February 21, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28223749/digital-mucous-cyst-a-clinical-surgical-study
#17
Eun Jung Kim, Joon Won Huh, Hyang-Joon Park
BACKGROUND: It has been suggested digital mucous cysts (DMCs) are associated with osteoarthritis and osteophytes in the elderly, and usually have a communicating pedicle with the joint. Surgical excision is a standard therapy with a high cure rate. OBJECTIVE: The purpose of this prospective study is to evaluate the features of DMCs via clinical, radiological and pathological examination and the efficacy of surgical excision of DMCs. METHODS: Between 2010 and 2014, 24 Korean patients were treated with the resection of the cyst and the pedicle...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223154/idiopathic-and-systemic-sclerosis-associated-pulmonary-arterial-hypertension-a-comparison-of-demographic-haemodynamic-and-magnetic-resonance-imaging-characteristics-and-outcomes
#18
Sheila Ramjug, Nehal Hussain, Judith Hurdman, Catherine Billings, Athanasios Charampopoulos, Charlie A Elliot, David G Kiely, Ian Sabroe, Smitha Rajaram, Andrew J Swift, Robin Condliffe
BACKGROUND: Previous studies have identified survival in systemic sclerosis (SSc)-associated pulmonary arterial hypertension (SSc-PAH) to be worse than in idiopathic pulmonary arterial hypertension (IPAH). We investigated differences between these conditions by comparing demographic, haemodynamic and radiological characteristics and outcomes in a large cohort of incident patients. METHODS: 651 patients diagnosed with IPAH or SSc-associated pre-capillary pulmonary hypertension were included...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28223112/understanding-and-applying-the-concept-of-value-creation-in-radiology
#19
David B Larson, Daniel J Durand, Daniel S Siegal
The concept of value in radiology has been strongly advocated in recent years as a means of advancing patient care and decreasing waste. This article explores the concept of value creation in radiology and offers a framework for how radiology practices can create value according to the needs of their referring clinicians. Value only exists in the eyes of a customer. We propose that the primary purpose of diagnostic radiology is to answer clinical questions using medical imaging to help guide management of patient care...
February 17, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28222650/is-surgery-always-indicated-in-rachitic-coronal-knee-deformities-our-experience-in-198-knees
#20
Jatin Prakash, Anil Mehtani, Alok Sud, Baccha K Reddy
INTRODUCTION: Defective mineralization of osteoid matrix prior to physeal closure causes rickets. Poor calcification of the cartilage matrix in the zone of provisional calcification causes flattened skull, rachitic rosary, bowed legs, coxa vara and brittle bones. The recent literature has seen an increase in the incidence of the disease in both developing and developed nations. We evaluated behaviour of lower limb deformities due to nutritional rickets in 117 patients. MATERIALS AND METHODS: A prospective study was conducted from January 2009 to December 2011 for clinical and radiological evaluation of knee deformities in nutritional rickets...
January 2017: Journal of Orthopaedic Surgery
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