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https://www.readbyqxmd.com/read/29146893/von-hippel-lindau-disease-with-multi-organ-involvement-a-case-report-and-8-year-clinical-course-with-follow-up
#1
Ali Yaghobi Joybari, Payam Azadeh
BACKGROUND Von Hippel-Lindau (VHL) disease is a rare autosomal dominant syndrome manifested by a spectrum of benign and malignant tumors.  CASE REPORT The patient presented here was a 31-year-old female with unremarkable family history who presented initially complaining of intermittent abdominal pain. Abdominal CT scan revealed an inhomogeneous solid mass (13×9×7 cm) originating from the tail of the pancreas with splenic and gastric invasion as well as several pancreatic cysts. A nucleotide scan showed left adrenal involvement...
November 17, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29143222/quantitative-analysis-of-the-level-of-readability-of-online-emergency-radiology-based-patient-education-resources
#2
David R Hansberry, Michael D'Angelo, Michael D White, Arpan V Prabhu, Mougnyan Cox, Nitin Agarwal, Sandeep Deshmukh
PURPOSE: The vast amount of information found on the internet, combined with its accessibility, makes it a widely utilized resource for Americans to find information pertaining to medical information. The field of radiology is no exception. In this paper, we assess the readability level of websites pertaining specifically to emergency radiology. METHODS: Using Google, 23 terms were searched, and the top 10 results were recorded. Each link was evaluated for its readability level using a set of ten reputable readability scales...
November 15, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/29141515/mri-powered-biomedical-devices
#3
Sierra Hovet, Hongliang Ren, Sheng Xu, Bradford Wood, Junichi Tokuda, Zion Tsz Ho Tse
Magnetic resonance imaging (MRI) is beneficial for imaging-guided procedures because it provides higher resolution images and better soft tissue contrast than computed tomography (CT), ultrasound, and X-ray. MRI can be used to streamline diagnostics and treatment because it does not require patients to be repositioned between scans of different areas of the body. It is even possible to use MRI to visualize, power, and control medical devices inside the human body to access remote locations and perform minimally invasive procedures...
November 16, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29137032/non-hodgkin-lymphoma-of-multiple-extranodal-involvement-seen-on-mri-fdg-pet-ct-scans-a-case-report
#4
Shan Wang, Meng Meng, Qiuhu Wang, Kai Xu
RATIONALE: Anaplastic large cell lymphoma (ALCL) is a rare type of non-Hodgkin lymphoma (NHL). The most common extranodal sites of ALCL are skin, subcutaneous tissue, bone, lung, and gastrointestinal organs. This study reports a case of ALCL with multiple extranodal involvement, especially the whole body skeletal muscles, with the aim to share the imaging features of the ALCL including magnetic resonance imaging (MRI) and 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29133247/contrast-enhanced-ultrasound-identifies-hepatocellular-carcinoma-in-cirrhosis-a-large-multicenter-retrospective-study
#5
Eleonora Terzi, Massimo Iavarone, Maurizio Pompili, Letizia Veronese, Giuseppe Cabibbo, Mirella Fraquelli, Laura Riccardi, Ludovico De Bonis, Angelo Sangiovanni, Simona Leoni, Maria Assunta Zocco, Sandro Rossi, Nicola Alessi, Stephanie R Wilson, Fabio Piscaglia, Alessandro Granito, Veronica Salvatore, Francesco Tovoli, Matteo Angelo Manini, Gian Lodovico Rapaccini, Maria Elena Ainora, Valentina Ravetta, Giorgia Ghittoni, Agostino Ventra, Giuseppe Mogavero
BACKGROUND & AIMS: The use of contrast enhanced ultrasound (CEUS) for the diagnosis of hepatocellular carcinoma (HCC) in cirrhosis was questioned for the risk of false positive diagnosis in case of cholangiocarcinoma. The American College of Radiology has recently released a scheme (CEUS LI-RADS) classifying lesions at risk for HCC investigated by CEUS. Aim of the present study was to validate this LI-RADS scheme for the diagnosis of HCC. METHODS: A total of 1006 nodules in 848 patients with chronic liver disease at risk for HCC collected in 5 Italian centers were retrospectively analyzed...
November 10, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29131073/an-introduction-to-contrast-enhanced-ultrasound-for-nephrologists
#6
Emily H Chang
Contrast-enhanced ultrasound (CEUS) is an emerging technology with no known nephrotoxicity. CEUS has been utilized in cardiac and abdominal imaging for decades in Asia and Europe and has recently received greater attention in the United States with its approval for characterization of indeterminate liver lesions. Emerging data suggest that CEUS has potential as a diagnostic imaging tool among individuals who have contraindications to CT and MRI. Few nephrologists are aware of CEUS and even fewer are aware of its potential applications among individuals with kidney disease...
November 9, 2017: Nephron
https://www.readbyqxmd.com/read/29108860/fibrosis-imaging-current-concepts-and-future-directions
#7
Maike Baues, Anshuman Dasgupta, Josef Ehling, Jai Prakash, Peter Boor, Frank Tacke, Fabian Kiessling, Twan Lammers
Fibrosis plays an important role in many different pathologies. It results from tissue injury, chronic inflammation, autoimmune reactions and genetic alterations, and it is characterized by the excessive deposition of extracellular matrix components. Biopsies are routinely employed for fibrosis diagnosis, but they suffer from several drawbacks, including their invasive nature, sampling variability and limited spatial information. To overcome these limitations, multiple different imaging tools and technologies have been evaluated over the years, including x-ray imaging, computed tomography (CT), ultrasound (US), magnetic resonance imaging (MRI), positron emission tomography (PET) and single-photon emission computed tomography (SPECT)...
November 3, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29101993/acr-appropriateness-criteria-%C3%A2-staging-of-pancreatic-ductal-adenocarcinoma
#8
Aliya Qayyum, Eric P Tamm, Ihab R Kamel, Peter J Allen, Hina Arif-Tiwari, Victoria Chernyak, Tamas A Gonda, Joseph R Grajo, Nicole M Hindman, Jeanne M Horowitz, Harmeet Kaur, Michelle M McNamara, Richard B Noto, Pavan K Srivastava, Tasneem Lalani
Pancreatic adenocarcinoma is associated with poor overall prognosis. Complete surgical resection is the only possible option for cure. As such, increasingly complex surgical techniques including sophisticated vascular reconstruction are being used. Continued advances in surgical techniques, in conjunction with use of combination systemic therapies, and radiation therapy have been suggested to improve outcomes. A key aspect to surgical success is reporting of pivotal findings beyond absence of distant metastases, such as tumor size, location, and degree of tumor involvement of specific vessels associated with potential perineural tumor spread...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101991/acr-appropriateness-criteria-%C3%A2-renovascular-hypertension
#9
Howard J Harvin, Nupur Verma, Paul Nikolaidis, Michael Hanley, Vikram S Dogra, Stanley Goldfarb, John L Gore, Stephen J Savage, Michael L Steigner, Richard Strax, Myles T Taffel, Jade J Wong-You-Cheong, Don C Yoo, Erick M Remer, Karin E Dill, Mark E Lockhart
Renovascular hypertension is the most common type of secondary hypertension and is estimated to have a prevalence between 0.5% and 5% of the general hypertensive population, and an even higher prevalence among patients with severe hypertension and end-stage renal disease, approaching 25% in elderly dialysis patients. Investigation for renal artery stenosis is appropriate when clinical presentation suggests secondary hypertension rather than primary hypertension, when there is not another known cause of secondary hypertension, and when intervention would be carried out if a significant renal artery stenosis were identified...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101982/acr-appropriateness-criteria-%C3%A2-imaging-after%C3%A2-total%C3%A2-knee-arthroplasty
#10
Mary G Hochman, Yulia V Melenevsky, Darlene F Metter, Catherine C Roberts, Jenny T Bencardino, R Carter Cassidy, Michael G Fox, Mark J Kransdorf, Douglas N Mintz, Nehal A Shah, Kirstin M Small, Stacy E Smith, Kathy M Tynus, Barbara N Weissman
Total knee arthroplasty (TKA) is the most commonly performed joint replacement procedure in the United States and annual demand for primary TKA is expected to grow by 673% by 2030. The first part provides an overview of imaging modalities (radiographs, CT, MRI, ultrasound, and various nuclear medicine studies) and discusses their usefulness in the imaging evaluation of TKA. The second part focuses on evidence-based imaging and imaging-guided intervention algorithms for the workup of TKA and its complications, including routine follow-up, component wear, periprosthetic infection, aseptic loosening, granulomas/osteolysis, conventional and rotational instability, periprosthetic fracture, patellar complications, and a variety of periprosthetic soft tissue abnormalities...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101980/acr-appropriateness-criteria-%C3%A2-chronic-liver%C3%A2-disease
#11
Jeanne M Horowitz, Ihab R Kamel, Hina Arif-Tiwari, Sumeet K Asrani, Nicole M Hindman, Harmeet Kaur, Michelle M McNamara, Richard B Noto, Aliya Qayyum, Tasneem Lalani
Because liver fibrosis can be treated, it is important to diagnose liver fibrosis noninvasively and monitor response to treatment. Although ultrasound (grayscale and Doppler) can diagnose cirrhosis, it does so unreliably using morphologic and sonographic features and cannot diagnose the earlier, treatable stages of hepatic fibrosis. Transient elastography, ultrasound elastography with acoustic radiation force impulse, and MR elastography are modalities that can assess for hepatic fibrosis. Although all international organizations recommend ultrasound for screening for hepatocellular carcinoma, ultrasound is particularly limited for identifying hepatocellular carcinoma in patients with obesity, nonalcoholic fatty liver disease, and nodular cirrhotic livers...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101951/an-anesthesiologist-s-view-of-tumor-ablation-in-the-radiology-suite
#12
REVIEW
Annie Amin, Jason Lane, Thomas Cutter
The advent of radiology image-guided tumor ablation procedures has opened up a new era in minimally invasive procedures. Using CT, MRI, ultrasound, and other modalities, radiologists and surgeons can now ablate a tumor through percutaneous entry sites. What traditionally was done in an operating room via large open incisions, with multiple days in the hospital recovering, is now becoming an outpatient procedure via these new techniques. Anesthesiologists play a critical role in optimizing outcome in these patients...
December 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/29101863/contemporary-use-of-intraoperative-imaging-in-glioma-surgery-a-survey-among-eans-members
#13
Jan Coburger, Arya Nabavi, Ralph König, Christian Rainer Wirtz, Andrej Pala
OBJECTIVES: In glioma surgery, intraoperative imaging is regarded highly valuable to improve extent of resection. Current distribution of intraoperative imaging techniques is largely unknown. Further, controversy exists which method might be most beneficial. PATIENTS AND METHODS: We performed a web-based survey among members of the European Association of Neurological Surgeons(EANS) from April to May 2017. Our questionnaire included intraoperative MRI(iMRI), 5-aminolevulinic acid(5-ALA), intraoperative ultrasound(iUS),Na-Fluorescein and intraoperative CT(iCT)...
December 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29099004/isolated-pulmonary-involvement-in-erdheim-chester-disease
#14
Enambir Singh Josan, Jason W Green, Syed Imran M Zaidi, Jayantilal B Mehta
Erdheim-Chester disease is a rare non-Langerhans cell histiocytic disorder. It is primarily a disease of the long bones. Pulmonary involvement in systemic disease is detected in about half the reported cases. Isolated lung involvement is extremely rare with no clear recommendations for treatment. A 52-year-old caucasian male was evaluated for 1.9 cm × 1.6 cm spiculated nodule in the right upper lobe. Pulmonary function testing and bronchoscopy with endobronchial ultrasound, transbronchial biopsy, and microbiology were inconclusive...
November 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29098367/correction-to-li-rads-technical-requirements-for-ct-mri-and-contrast-enhanced-ultrasound
#15
Avinash R Kambadakone, Alice Fung, Rajan T Gupta, Thomas A Hope, Kathryn J Fowler, Andrej Lyshchik, Karthik Ganesan, Vahid Yaghmai, Alexander R Guimaraes, Dushyant V Sahani, Frank H Miller
The original version of this article unfortunately contained mistakes in the author list. The following author names were listed without middle initial. The correct author names are: Avinash R Kambadakone, Rajan T. Gupta, Thomas A. Hope, Kathryn J. Fowler, Alexander R. Guimaraes, Dushyant V. Sahani, Frank H. Miller. The original article was corrected.
November 2, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29097033/-the-tumors-of-the-ear
#16
X Dubernard, J-C Kleiber, E Brenet, M-A Louges, Y Veleine, M Labrousse, M Makeieff, A Bazin, A Chays
Any cutaneous lesion of the outer ear must be managed jointly by a dermatologist and an ENT, regardless of the age of the patient. The presence of a malignant cutaneous carcinoma (Squamous cell carcinoma or melanoma) of the pavilion requires a minimum extension assessment by a cervical ultrasound, CT-scan and MRI will be prescribed according to the degree of infiltration and the presence of clinics signs (lymphadenopathy, facial paralysis, cognitive impairment). A polyp of the external auditory meatus must be systematically biopsied in consultation and, if necessary, in the operating room with fresh anatomopathological analysis...
October 30, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/29094174/contrast-enhanced-ultrasound-of-malignant-liver-lesions
#17
Isabelle Durot, Stephanie R Wilson, Jürgen K Willmann
Contrast-enhanced ultrasound (CEUS) is a safe, relatively inexpensive, and widely available imaging technique using dedicated imaging ultrasound sequences and FDA-approved contrast microbubbles that allow detection and characterization of malignant focal liver lesions with high diagnostic accuracy. CEUS provides dynamic real-time imaging with high spatial and temporal capability, allowing for unique contributions to the already established protocols for diagnosing focal liver lesions using CT and MR imaging...
November 1, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29083106/not-just-a-bump-on-the-head-ultrasound-as-first-line-imaging-in-a-boy-with-pott-s-puffy-tumour
#18
Tristan Reddan, Patricia Connor
While computed tomography (CT) and magnetic resonance imaging (MRI) have established roles in evaluating Pott's puffy tumour, ultrasound can play a valuable role in identifying the condition, particularly in children. We present the case of a boy with a fluctuant forehead lump and headaches, where ultrasound was the first-line imaging modality and expedited further investigations.
October 30, 2017: Journal of Medical Radiation Sciences
https://www.readbyqxmd.com/read/29081933/cystic-intra-abdominal-masses-in-children
#19
Luisa Ferrero, Riccardo Guanà, Giulia Carbonaro, Maria Grazia Cortese, Luca Lonati, Elisabetta Teruzzi, Jurgen Schleef
Benign intra-abdominal cystic masses in infancy are fairly uncommon and their etiopathogenesis, histology and clinical presentation differ significantly. Our aim is to report our experience in their treatment in order to discuss the best diagnostic and treatment modality. The medical records of 5 children (2M, 3F) with cystic intraabdominal masses referred to our hospital between November 2012 and September 2016, were retrospectively reviewed. All patients underwent open surgery and subsequent histopathologic analysis...
October 6, 2017: Pediatric Reports
https://www.readbyqxmd.com/read/29079248/machine-learning-for-predicting-patient-wait-times-and-appointment-delays
#20
Catherine Curtis, Chang Liu, Thomas J Bollerman, Oleg S Pianykh
Being able to accurately predict waiting times and scheduled appointment delays can increase patient satisfaction and enable staff members to more accurately assess and respond to patient flow. In this work, the authors studied the applicability of machine learning models to predict waiting times at a walk-in radiology facility (radiography) and delay times at scheduled radiology facilities (CT, MRI, and ultrasound). In the proposed models, a variety of predictors derived from data available in the radiology information system were used to predict waiting or delay times...
October 24, 2017: Journal of the American College of Radiology: JACR
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