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Radiology, mri, ultrasound

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https://www.readbyqxmd.com/read/29332247/practical-advantages-of-contrast-enhanced-ultrasound-in-abdominopelvic-radiology
#1
Praveen Ganti Ranganath, Michelle L Robbin, Susan J Back, Edward G Grant, David T Fetzer
Computed tomography (CT) and magnetic resonance imaging (MRI) are two of the workhorse modalities of abdominopelvic radiology. However, these modalities are not without patient- and technique-specific limitations that may prevent a timely and accurate diagnosis. Contrast-enhanced ultrasound (CEUS) is an effective, rapid, and cost-effective imaging modality with expanding clinical utility in the United States. In this pictorial essay, we provide a case-based discussion demonstrating the practical advantages of CEUS in evaluating a variety of pathologies in which CT or MRI was precluded or insufficient...
January 13, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29307926/brain-changes-on-magnetic-resonance-imaging-in-school-age-children-who-had-been-preterm-infants-with-intracranial-hemorrhage
#2
Leandro Lopes Fernandes Alves, Marcia Salim de Martino, Cristina Ortiz Sobrinho, Adauto Dutra Moraes Barbosa
Objective: To determine whether preterm infants diagnosed with intracranial hemorrhage (by transfontanellar ultrasound) at birth have cerebral lesions that are detectable by magnetic resonance imaging (MRI) upon reaching school age. Materials and Methods: MRI scans of the brain were obtained in 22 school-age children. Fifteen had presented intracranial hemorrhage at birth, and seven had not. We calculated the odds ratio (OR) for the occurrence of brain alterations detectable by MRI and the kappa index for discrepancies among the radiological reports...
November 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/29303927/preoperative-prediction-of-lymph-nodal-metastases-in-endometrial-carcinoma-is-it-possible-a-literature-review
#3
Rami Fares, Sean Kehoe, Nazem Shams
BACKGROUND: Lymph node status is one of the most important prognostic factors in endometrial cancer and crucial for deciding adjuvant therapy. OBJECTIVE: The aim of the study was to assess the different models used to predict lymphatic nodal disease. SEARCH STRATEGY: A literature search was conducted to detect the relevant studies. INCLUSION CRITERIA: Relevant papers comparing the preoperative modality with the final histopathological results including randomized clinical trials, case-control studies, and any publications with a minimum of 50 patients in the report...
January 4, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29301144/imaging-of-tendons-of-the-knee-much-more-than-just-the-extensor-mechanism
#4
Jad S Husseini, Connie Y Chang, William E Palmer
The tendons of the knee play a critical role in the motion and stability of the knee. Knee pain, a common clinical complaint, can frequently be attributed to pathology of these structures. While the cornerstones of the radiological evaluation of the knee are radiography and magnetic resonance imaging, ultrasound can also play an important diagnostic role and can be useful for guided interventional procedures. Understanding the utility of each modality in the assessment for tendon pathology and a familiarity with the normal and abnormal imaging appearance of these structures are crucial for accurate diagnosis...
January 4, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29299099/mature-cystic-teratoma-with-high-proportion-of-solid-thyroid-tissue-a-controversial-case-with-unusual-imaging-findings
#5
Rui Gil, Teresa Margarida Cunha, Ines Rolim
We describe a case of a mature cystic teratoma of the ovary with high proportion of solid thyroid tissue (< 50% of the entire tumor) in a childbearing woman. The patient presented with non-specific abdominal bloating. Pelvic ultrasound and magnetic resonance imaging revealed a complex cystic-solid tumor confined to the left ovary with an anterior fat-containing locus compatible with mature cystic teratoma and a posterior predominantly solid component with low signal intensity on T2-weighted images that was histopatologically diagnosed as benign thyroid tissue...
July 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29297184/an-algorithm-for-preoperative-differential-diagnostics-of-parotid-tumors-on-the-basis-of-their-dynamic-and-diffusion-weighted-mr-images-a-retrospective-analysis-of-158-cases
#6
Bogusław Mikaszewski, Karolina Markiet, Aneta Smugała, Dominik Stodulski, Edyta Szurowska, Czesław Stankiewicz
BACKGROUND: To verify the usefulness of a new algorithm for preoperative differential diagnostics of parotid tumors on the basis of their dynamic and diffusion-weighted MR images. METHODS: The retrospective analysis included 158 consecutive surgical patients with parotid tumors. Aside from ultrasound-guided fine needle biopsy, the protocol of preoperative evaluation included dynamic and diffusion-weighted MRI. According to the new diagnostic algorithm, the result of fine needle biopsy was considered only in the case of lesions with time to peak enhancement (Tpeak) > 60 s and washout rate (WR) ≤ 30% on dynamic MRI and apparent diffusion coefficient (ADC) ≤ 1...
January 3, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29289987/pelvic-pyomyositis-in-children-changing-trends-in-occurrence-and-management
#7
Manish Kiran, Saffwan Mohamed, Ashley Newton, Harvey George, Neeraj Garg, Colin Bruce
AIMS: We present the largest series of paediatric pelvic pyomyositis from a temperate country, analyse the factors influencing long term prognosis and suggest a diagnostic protocol. MATERIALS AND METHOD: We included 41 patients diagnosed with primary paediatric pelvic pyomyositis between 1998 and 2016, in this study with a mean age of 7.5 years. Demographic, clinical, radiological and follow-up data were reviewed. Statistical analysis was performed to analyse the influence of early diagnosis and treatment on the final outcome...
December 30, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29262441/imaging-in-neurocritical-care-practice
#8
Craig Williamson, Larry Morgan, Joshua P Klein
The use of neuroimaging in conjunction with serial neurological examinations is a core component of modern neurocritical care practice. Although there is a growing role for other neuromonitoring techniques, the ability to quickly and accurately interpret images in the context of a patient's clinical status arguably remains the indispensable skill for neurocritical care practitioners. Due to its rapid acquisition time and excellent ability to detect intracerebral hemorrhage (ICH), cerebral edema, and signs of elevated intracranial pressure, computed tomography (CT) remains the most useful neuroimaging technique for intensive care unit (ICU) patients...
December 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29246525/comparative-trends-in-utilization-of-mri-and-ultrasound-to-evaluate-nonspine-joint-disease-2003-to-2015
#9
Riti M Kanesa-Thasan, Levon N Nazarian, Laurence Parker, Vijay M Rao, David C Levin
PURPOSE: MRI and ultrasound (US) are effective diagnostic tools to evaluate extremities. In this study, we analyze utilization trends in musculoskeletal (MSK) US and MRI from 2003 to 2015 within the Medicare population. METHODS: Our data sources were the Medicare Part B Physician/Supplier Procedure Summary Master Files for 2003 to 2015. They cover all Medicare fee-for-service enrollees (37.5 million in 2015). Current Procedural Terminology codes for nonvascular, nonspine joint MRI and extremity US were selected and volumes within these codes were determined...
December 13, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29227141/cervical-porcupine-quill-foreign-body-involving-the-spinal-cord-of-a-dog-a-description-of-various-imaging-modality-findings
#10
Christelle Le Roux, Frans J Venter, Robert M Kirberger
Although porcupine quill injuries are common in dogs, the detailed appearance of the quill on diagnostic ultrasound, computed tomography, and magnetic resonance imaging has not been sufficiently described. A 4-year-old, intact, female Jack Russel terrier presented with severe neck pain and ataxia after an altercation with a porcupine 2 weeks earlier. Radiology, diagnostic ultrasound, computed tomography and magnetic resonance imaging were all utilised to identify a quill imbedded in the cervical vertebral canal and cervical musculature and were compared to each other...
December 8, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29217901/xanthogranulomatous-cholecystitis-analysis-of-108-patients
#11
Osman Yucel, Mehmet Ali Uzun, Metin Tilki, Sevcan Alkan, Zeynep Gamze Kilicoglu, Ceren Canbey Goret
The aim of this study was to evaluate the clinical and radiological features of xanthogranulomatous cholecystitis (XGC) and the results of surgical treatment. This retrospective study concerns clinical, radiological, and surgical data as well as histopathological findings and postoperative results of 108 patients with XGC who were identified after evaluating 7916 cholecystectomy specimens between 2004 and 2014 in a single institute. One hundred eight patients with XGC were evaluated (56 males and 52 females, mean age 62...
December 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29217532/imaging-detected-acute-muscle-injuries-in-athletes-participating-in-the-rio-de-janeiro-2016-summer-olympic-games
#12
Michel D Crema, Mohamed Jarraya, Lars Engebretsen, Frank W Roemer, Daichi Hayashi, Romulo Domingues, Abdalla Y Skaf, Ali Guermazi
BACKGROUND: Acute muscle injuries in elite athletes are responsible for a large portion of time loss injuries. AIM: To describe the frequency, the anatomic distribution, and severity of imaging-detected acute muscle injuries among athletes who competed in the Rio de Janeiro 2016 Summer Olympics. METHODS: We recorded all sports injuries reported by the National Olympic Committee medical teams and the Organising Committee medical staff during the 2016 Summer Olympics...
December 7, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29216919/the-acutely-injured-acromioclavicular-joint-which-imaging-modalities-should-be-used-for-accurate-diagnosis-a-systematic-review
#13
Jonas Pogorzelski, Knut Beitzel, Francesco Ranuccio, Klaus Wörtler, Andreas B Imhoff, Peter J Millett, Sepp Braun
BACKGROUND: The management of acute acromioclavicular (AC) joint injuries depends on the degree of injury diagnosed by the Rockwood classification. Inadequate imaging and not selecting the most helpful imaging protocols can often lead to incorrect diagnosis of the injury. A consensus on a diagnostic imaging protocol for acute AC joint injuries does not currently exist. Therefore we conducted a systematic review of the literature considering three diagnostic parameters for patients with acromioclavicular (AC) joint injuries: 1) Assessment of vertical instability; 2) Assessment of horizontal instability; 3) Benefit of weighted panoramic views...
December 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29209530/teleconsultation-ultrasonography-a-new-weapon-to-combat-cholangiocarcinoma
#14
Nittaya Chamadol, Vallop Laopaiboon, Jiraporn Srinakarin, Watcharin Loilome, Puangrat Yongvanit, Bandit Thinkhamrop, Narong Khuntikeo
Although cholangiocarcinoma (CCA) is usually a rare cancer, in northeast Thailand it kills 20 000 or more people every year. The prognosis is very poor owing to late stage diagnosis, with palliative treatment often representing the only option. In this area of predominantly rural Thailand, CCA is associated with infection with the liver fluke, Opisthorchis viverrini, which is classified as a group 1 carcinogen. Up to 6 million Thais are infected with this fluke. The Cholangiocarcinoma Screening and Care Program (CASCAP) was initiated in 2014 with the aim of detecting early stage CCA, allowing curative surgery, by using ultrasound (US) screening of prospectively 500 000 at risk individuals...
2017: ESMO Open
https://www.readbyqxmd.com/read/29208870/a-comparative-study-of-magnetic-resonance-imaging-and-transabdominal-ultrasonography-for-the-diagnosis-and-evaluation-of-uterine-fibroids
#15
M Z Hossain, M M Rahman, M M Ullah, M Mukthadira, F A Akter, A B Jahan, F Jahan
Uterine fibroids often cause symptoms of pelvic pain, pressure, and bleeding and a significant cause of morbidity for women of reproductive age. A new, Food and Drug Administration approved noninvasive treatment option is magnetic resonance guided focused ultrasound surgery, which has the potential to become a treatment of choice for selected patients. The purpose of the study was to compare and evaluate the usefulness of MRI and transabdominal ultrasonography for the diagnosis of uterine fibroids. A cross sectional study was carried out in the department of Radiology & Imaging of Mymensingh Medical College Hospital, during the period of January' 2010 to December 2011...
October 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29204279/sellar-plasmacytoma-presenting-with-symptoms-of-anterior-pituitary-dysfunction
#16
Ana G Ferreira, Tiago N Silva, Henrique V Luiz, Filipa D Campos, Maria C Cordeiro, Jorge R Portugal
Sellar plasmacytomas are rare and the differential diagnosis with non-functioning pituitary adenomas might be difficult because of clinical and radiological resemblance. They usually present with neurological signs and intact anterior pituitary function. Some may already have or eventually progress to multiple myeloma. We describe a case associated with extensive anterior pituitary involvement, which is a rare form of presentation. A 68-year-old man was referred to our Endocrinology outpatient clinic due to gynecomastia, reduced libido and sexual impotence...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/29204236/hydatid-cyst-presented-as-a-subcutaneous-thigh-mass
#17
Leyla Acu, Berat Acu, Rusen Acu, S Ahmet Sahin
Hydatid disease is an endemic zoonosis, and patients are generally from cattle- and sheep-raising regions of the world, such as Central Europe, the Mediterranean, the Middle East, China, South America, Australia, New Zealand, South Africa, and Russia (Lewall and McCorkell in Radiology 155:773-775, 1985). Furthermore, hydatid cyst is a disease of immigrants in non-endemic countries and in developed countries (Stojkovic et al. in PLoS Negl Trop Dis 6:e1880, 2012). The most common affected organs are liver and lungs...
December 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/29177134/automatic-detection-and-quantitative-dce-mri-scoring-of-prostate-cancer-aggressiveness
#18
Nestor Andres Parra, Alan Pollack, Felix M Chinea, Matthew C Abramowitz, Brian Marples, Felipe Munera, Rosa Castillo, Oleksandr N Kryvenko, Sanoj Punnen, Radka Stoyanova
Purpose: To develop a robust and clinically applicable automated method for analyzing Dynamic Contrast Enhanced (DCE-) MRI of the prostate as a guide for targeted biopsies and treatments. Materials and methods: An unsupervised pattern recognition (PR) method was used to analyze prostate DCE-MRI from 71 sequential radiotherapy patients. Identified regions of interest (ROIs) with increased perfusion were assigned either to the peripheral (PZ) or transition zone (TZ)...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29147883/clinical-and-radiological-diagnosis-of-gallstone-ileus-a-mini-review
#19
Liisa Chang, Minna Chang, Hanna M Chang, Aina I Chang, Fuju Chang
Gallstone ileus is a rare cause of bowel obstruction, which mainly affects the elderly population. The associated mortality is estimated to be up to 30%. The presentation of gallstone ileus is notoriously non-specific, and this often contributes to the delay in diagnosis. The diagnosis of gallstone ileus relies on a radiological approach, and herein we discuss the benefits and drawbacks of the use of different modalities of radiological imaging: plain abdominal films, computed tomography, magnetic resonance imaging, and ultrasound scanning...
November 16, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/29143222/quantitative-analysis-of-the-level-of-readability-of-online-emergency-radiology-based-patient-education-resources
#20
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
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