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Diagnostic radiology

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https://www.readbyqxmd.com/read/28229453/chondrodysplasia-with-multiple-dislocations-comprehensive-study-of-a-series-of-30-cases
#1
E Ranza, C Huber, N Levin, G Baujat, C Bole-Feysot, P Nitschke, C Masson, Y Alanay, L Al-Gazali, P Bitoun, O Boute, P Campeau, C Coubes, M McEntagart, N Elcioglu, L Faivre, A Gezdirici, D Johnson, E Mihci, B G Nur, L Perrin, C Quelin, P Terhal, B Tuysuz, V Cormier-Daire
The group of chondrodysplasia with multiple dislocations includes several entities, characterized by short stature, dislocation of large joints, hand and/or vertebral anomalies. Other features, such as epiphyseal or metaphyseal changes, cleft palate, intellectual disability are also often part of the phenotype. In addition, several conditions with overlapping features are related to this group and broaden the spectrum. The majority of these disorders have been linked to pathogenic variants in genes encoding proteins implicated in the synthesis or sulfation of proteoglycans (PG)...
October 13, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/28229318/contribution-of-computed-tomographic-imaging-to-the-management-of-acute-abdominal-pain-after-gastric-bypass-correlation-between-radiological-and-surgical-findings
#2
Pascale Karila-Cohen, Francesco Cuccioli, Pasquale Tammaro, Anne-Laure Pelletier, Daniel Gero, Jean-Pierre Marmuse, Jean-Pierre Laissy, Konstantinos Arapis
BACKGROUND: We evaluated the diagnostic accuracy of first interpretations of computed tomographic (CT) images and blind interpretation using predefined CT signs in patients with previous Roux-en-Y gastric bypass (RYGBP) and acute abdominal pain. METHODS: We performed a retrospective chart review of patients with RYGBP who underwent surgical exploration from January 2009 to December 2014 for acute abdominal pain in our university institution, excluding patients without CT scan and comparing initial CT imaging interpretation with surgical findings...
February 22, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28228838/a-rare-case-of-bilateral-optic-neuritis-and-guillain-barr%C3%A3-syndrome-post-mycoplasma-pneumoniae-infection
#3
Aravindhan Baheerathan, Amy Ross Russell, Fion Bremner, Simon F Farmer
Neurological complications are the most commonly encountered extra-pulmonary manifestation of infection with Mycoplasma pneumoniae (M. pneumoniae). Here the authors report the case of a 39-year-old woman who was admitted with acute-onset bilateral visual loss coinciding with ascending numbness. Clinical examination, neurological imaging, and nerve conduction studies revealed a syndrome of bilateral optic neuritis and Guillain-Barré syndrome (GBS). Serological testing confirmed recent exposure to M. pneumoniae...
February 2017: Neuro-ophthalmology
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
#4
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/28226399/wavelet-based-scaling-indices-for-breast-cancer-diagnostics
#5
T Roberts, M Newell, W Auffermann, B Vidakovic
Mammography is routinely used to screen for breast cancer. However, the radiological interpretation of mammogram images is complicated by the heterogeneous nature of normal breast tissue and the fact that cancers are often of the same radiographic density as normal tissue. In this work, we use wavelets to quantify spectral slopes of breast cancer cases and controls and demonstrate their value in classifying images. In addition, we propose asymmetry statistics to be used in forming features, which improve the classification result...
February 22, 2017: Statistics in Medicine
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
#6
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/28223112/understanding-and-applying-the-concept-of-value-creation-in-radiology
#7
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/28222441/unusual-occurrence-of-multifocal-desmoplastic-infantile-astrocytoma-a-case-report-and-review-of-the-literature
#8
Vinayak Narayan, Amey R Savardekar, Anita Mahadevan, Arimappamagan Arivazhagan, Lingegowda Appaji
Desmoplastic infantile gliomas are rare, benign tumors of the early infancy period. Two histological subtypes - desmoplastic infantile astrocytoma (DIA) and desmoplastic infantile ganglioglioma - have been described. The characteristic features of DIAs are lobar location, glial histology, and excellent prognosis after complete surgical excision. DIAs usually present as solitary, cortical-surfacing, solid-cystic neoplasms; however, atypical, aggressive, and multifocal variants of DIA have been reported in the literature...
February 22, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28220745/is-it-possible-to-differentiate-tuberculous-and-cryptococcal-meningitis-in-hiv-infected-patients-using-only-clinical-and-basic-cerebrospinal-fluid-characteristics
#9
J E Vidal, E J F Peixoto de Miranda, J Gerhardt, M Croda, D R Boulware
BACKGROUND: Tuberculous and cryptococcal meningitis (TBM and CM) are the most common causes of opportunistic meningitis in HIVinfected patients from resource-limited settings, and the differential diagnosis is challenging. OBJECTIVE: To compare clinical and basic cerebrospinal fluid (CSF) characteristics between TBM and CM in HIV-infected patients. METHODS: A retrospective analysis was conducted of clinical, radiological and laboratory records of 108 and 98 HIV-infected patients with culture-proven diagnosis of TBM and CM, respectively...
January 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28220379/pulmonary-mucormycosis-clinical-features-and-outcomes
#10
Erica Lin, Teng Moua, Andrew H Limper
PURPOSE: Mucormycosis encompasses a group of opportunistic fungal infections caused by Zygomycetes, order Mucorales. Mucormycosis can manifest as rhino-orbito-cerebral, pulmonary, gastrointestinal, cutaneous, and disseminated infections. Pulmonary mucormycosis is the second most common presentation. This manuscript characterizes the demographics, clinical presentation, diagnostic procedures, radiologic findings, therapeutic interventions, and outcome in pulmonary mucormycosis. METHODS: We retrospectively reviewed clinical data of 35 patients with pulmonary mucormycosis from 2000 to 2015...
February 20, 2017: Infection
https://www.readbyqxmd.com/read/28220286/characteristics-of-hypertrophic-pachymeningitis-in-patients-with-granulomatosis-with-polyangiitis
#11
Hyun Ah Choi, Mi Ji Lee, Chin-Sang Chung
Hypertrophic pachymeningitis (HP) is an important neurologic complication of granulomatosis with polyangiitis (GPA, formerly Wegener's granulomatosis). The aim of this study is to investigate the clinical features, radiological findings, and diagnostic pitfalls of GPA-related HP. A retrospective chart review was performed to screen patients diagnosed with GPA at Samsung Medical Center between 1997 and 2016. Neurologic manifestation, laboratory findings, neuroimaging data, and clinical course were evaluated in all patients...
February 20, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28217612/isolated-pulmonary-hydatid-cyst-misinterpreted-as-metastatic-pulmonary-lesion-in-an-operated-case-of-carcinoma-breast-in-young-female
#12
Ravish Kshatriya, Dhaval Prajapati, Nimit Khara, Rajiv Paliwal, Satish Patel
Hydatidosis is caused by Echinococcus granulosus. Humans may be infected incidentally as intermediate host by the accidental consumption of soil, water, or food contaminated by fecal matter of an infected animal. Hydatidosis is one of the most symptomatic parasitic infections in various livestock - raising countries. Lung is the second most commonly affected organ following the liver. The symptoms depend on the size and site of the lesion. It can present as an asymptomatic pulmonary lesion to hemoptysis, chest pain, coughing anaphylaxis, and shock...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216720/biostatistics-series-module-7-the-statistics-of-diagnostic-tests
#13
Avijit Hazra, Nithya Gogtay
Crucial therapeutic decisions are based on diagnostic tests. Therefore, it is important to evaluate such tests before adopting them for routine use. Although things such as blood tests, cultures, biopsies, and radiological imaging are obvious diagnostic tests, it is not to be forgotten that specific clinical examination procedures, scoring systems based on physiological or psychological evaluation, and ratings based on questionnaires are also diagnostic tests and therefore merit similar evaluation. In the simplest scenario, a diagnostic test will give either a positive (disease likely) or negative (disease unlikely) result...
January 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28215933/gender-determination-from-diagnostic-factors-on-anteroposterior-pelvic-radiographs
#14
Azadeh Memarian, Kamran Aghakhani, Shahrokh Mehrpisheh, Foroozan Fares
BACKGROUND: Gender determination from skeletal remains is one of the primary factors in forensic medicine. This study aimed to identify the gender of patients referred to the radiology ward of the Rasoul Akram Hospital of Tehran using anteroposterior pelvic radiography. METHODS: A total of 200 patients (100 male and 100 female) referred to the radiology ward of the Rasoul Akram Hospital for anteroposterior pelvic radiography during 2013-2014 were included in this study...
February 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28214762/paracaecal-hernia-a-case-report-on-the-evolving-role-of-laparoscopy
#15
Ammar Tayaran, Haider Abdulrasool, Hai T Bui
A paracaecal hernia, a type of pericaecal hernias, is a rare cause of small intestinal obstruction. Failure of early recognition and reduction of this type of internal hernia may lead to strangulation of the herniated intestine. There has been a number of case reports in the literature about the different types of pericaecal hernias, however the anatomy of these hernias is still poorly understood and the management is still evolving. We are presenting a 75year old woman, who presented clinically and radiologically with distal small intestinal obstruction...
January 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28214369/diagnostic-accuracy-of-history-physical-exam-laboratory-tests-and-point-of-care-ultrasound-for-pediatric-acute-appendicitis-in-the-emergency-department-a-systematic-review-and-meta-analysis
#16
Roshanak Benabbas, Mark Hanna, Jay Shah, Richard Sinert
BACKGROUND: Acute appendicitis (AA) is the most common surgical emergency in children. Accurate and timely diagnosis is crucial but challenging due to atypical presentations and the inherent difficulty of obtaining a reliable history and physical examination in younger children. OBJECTIVES: To determine the utility of history, physical exam, laboratory tests, Pediatric Appendicitis Score (PAS) and Emergency Department-Point-of-Care Ultrasound (ED-POCUS) in the diagnosis of AA in ED pediatric patients...
February 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28213852/-imaging-of-the-lumbosacral-plexus-diagnostics-and-treatment-planning-with-high-resolution-procedures
#17
S Jengojan, C Schellen, G Bodner, G Kasprian
BACKGROUND: Technical advances in magnetic resonance (MR) and ultrasound-based neurography nowadays facilitate the radiological assessment of the lumbosacral plexus. OBJECTIVE: Anatomy and imaging of the lumbosacral plexus and diagnostics of the most common pathologies. MATERIAL AND METHODS: Description of the clinically feasible combination of magnetic resonance imaging (MRI) and ultrasound diagnostics, case-based illustration of imaging techniques and individual advantages of MRI and ultrasound-based diagnostics for various pathologies of the lumbosacral plexus and its peripheral nerves...
February 17, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28213851/-sonoelastography-in-daily-clinical-routine
#18
J Rübenthaler, K Müller-Peltzer, M Reiser, D Rjosk-Dendorfer, D-A Clevert
CLINICAL ISSUE: In the daily clinical routine characterization of focal lesions using native B‑mode classical ultrasound and color Doppler can be difficult or insufficient; therefore, additional diagnostic information must be taken into consideration. STANDARD RADIOLOGICAL METHODS: Standard radiological methods in the daily clinical routine include native B‑mode ultrasound and color Doppler ultrasound. METHODICAL INNOVATIONS: Using sonoelastography it is possible to evaluate and characterize tissue properties and focal lesions regarding their stiffness to acquire additional information on a noninvasive basis...
February 17, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28213826/diagnostic-yield-of-ct-urography-in-the-evaluation-of-hematuria-in-young-patients-in-a-military-population
#19
Laura R Mace, Terrel L Galloway, Andrew Ma, Richard S Montgomery, Ryan C Rockhill, William W Reynolds, Robert M Marks
PURPOSE: To assess the diagnostic yield of a computed tomography urography (CTU) study in patients less than 50 years of age, who have a history of military service, and who are at increased risk of urological cancers secondary to harmful practices and work-related exposures. METHODS: 137 Consecutive patients who underwent CTU between 2012 and 2013 for new onset of hematuria were included. Initial review of the clinical interpretations of the CTU studies grouped the studies into negative and positive exams for any urological findings...
February 17, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28212836/point-of-care-ultrasonography-for-evaluation-of-acute-dyspnea-in-the-emergency-department
#20
Maurizio Zanobetti, Margherita Scorpiniti, Chiara Gigli, Peiman Nazerian, Simone Vanni, Francesca Innocenti, Valerio T Stefanone, Caterina Savinelli, Alessandro Coppa, Sofia Bigiarini, Francesca Caldi, Irene Tassinari, Alberto Conti, Stefano Grifoni, Riccardo Pini
BACKGROUND: Acute dyspnea is a common symptom in the emergency department (ED). Standard approach to dyspnea often relies on radiologic and laboratoristic results, causing excessive delay before adequate therapy is started; an integrated point-of-care ultrasonography (PoCUS) approach can shorten the time needed to formulate a diagnosis maintaining an acceptable safety profile. METHODS: Consecutive adult patients presenting with dyspnea and admitted after ED evaluation were prospectively enrolled...
February 14, 2017: Chest
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