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https://www.readbyqxmd.com/read/28944988/evaluation-and-treatment-of-langerhans-cell-histiocytosis-patients-with-central-nervous-system-abnormalities-current-views-and-new-vistas
#1
REVIEW
E Ann Yeh, Jay Greenberg, Oussama Abla, Giulia Longoni, Eli Diamond, Michelle Hermiston, Brandon Tran, Carlos Rodriguez-Galindo, Carl E Allen, Kenneth L McClain
Central nervous system (CNS) involvement in Langerhans cell histiocytosis (LCH) can include mass lesions of the hypothalamic pituitary axis, choroid plexus, cerebrum, and cerebellum or magnetic resonance imaging (MRI) signal abnormalities of the cerebellum, pons, and basal ganglia. The term neurodegenerative (ND) CNS-LCH has been given to the MRI signal abnormalities and neurologic dysfunction, although initially patients may have no clinical symptoms. Standardized evaluations to better understand the natural history and response to therapy are needed...
September 25, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28943200/determinants-of-the-overuse-of-imaging-in-low-risk-prostate-cancer-a-systematic-review
#2
REVIEW
Allison H Oakes, Ritu Sharma, Madeline Jackson, Jodi B Segal
BACKGROUND: The overuse of radiologic services, where imaging tests are provided in circumstances where the propensity for harm exceeds the propensity for benefit, comprises a risk to patient safety and a burden on health care systems. Advanced imaging in the staging of low-risk prostate cancer is considered an overused procedure by many professional societies, yet the determinants that drive this phenomenon are not fully appreciated. METHODS: We systematically searched published literature within MEDLINE and Embase from January 1998 to March 2017...
September 21, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28942735/representation-of-cardiovascular-magnetic-resonance-in-the-aha-acc-guidelines
#3
Florian von Knobelsdorff-Brenkenhoff, Guenter Pilz, Jeanette Schulz-Menger
BACKGROUND: Whereas evidence supporting the diagnostic value of cardiovascular magnetic resonance (CMR) has increased, there exists significant worldwide variability in the clinical utilization of CMR. A recent study demonstrated that CMR is represented in the majority of European Society for Cardiology (ESC) guidelines, with a large number of specific recommendations in particular regarding coronary artery disease. To further investigate the gap between the evidence and clinical use of CMR, this study analyzed the role of CMR in the guidelines of the American College of Cardiology (ACC) and American Heart Association (AHA)...
September 25, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28942226/intraductal-papillary-mucinous-neoplasm-of-the-pancreas-associated-with-neuroendocrine-tumor-a-case-report
#4
M Boge, B Gurses, M Vural, S Yilmaz, S Goksel, O Bilge
INTRODUCTION: Intraductal papillary mucinous neoplasm is an uncommon cystic tumor of pancreas that can be associated with ductal adenocarcinoma. Coexistence of pancreatic IPMN and neuroendocrine tumor is very rare. Here, we report the imaging features of mixed type intraductal papillary mucinous neoplasia of the pancreas with high grade dysplasia together with neuroendocrine carcinoma and perform review of the literature. PRESENTATION: A 68-year old patient has been evaluated for possible IPMN that was suspected during ultrasound...
September 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28941329/tokyo-guidelines-2018-initial-management-of-acute-biliary-infection-and-flowchart-for-acute-cholangitis
#5
Fumihiko Miura, Kohji Okamoto, Tadahiro Takada, Steven M Strasberg, Horacio J Asbun, Henry A Pitt, Harumi Gomi, Joseph S Solomkin, David Schlossberg, Ho-Seong Han, Myung-Hwan Kim, Tsann-Long Hwang, Miin-Fu Chen, Wayne Shih-Wei Huang, Seiki Kiriyama, Takao Itoi, O James Garden, Kui-Hin Liau, Akihiko Horiguchi, Keng-Hao Liu, Cheng-Hsi Su, Dirk Joan Gouma, Giulio Belli, Christos Dervenis, Palepu Jagannath, Angus C W Chan, Wan Yee Lau, Itaru Endo, Kenji Suzuki, Yoo-Seok Yoon, Eduardo de Santibañes, Mariano Eduardo Giménez, Eduard Jonas, Harjit Singh, Goro Honda, Koji Asai, Yasuhisa Mori, Keita Wada, Ryota Higuchi, Manabu Watanabe, Toshiki Rikiyama, Naohiro Sata, Nobuyasu Kano, Akiko Umezawa, Shuntaro Mukai, Hiromi Tokumura, Jiro Hata, Kazuto Kozaka, Yukio Iwashita, Taizo Hibi, Masamichi Yokoe, Taizo Kimura, Seigo Kitano, Masafumi Inomata, Koichi Hirata, Yoshinobu Sumiyama, Kazuo Inui, Masakazu Yamamoto
The initial management of patients with suspected acute biliary infection starts with the measurement of vital signs to assess whether or not the situation is urgent. If the case is judged to be urgent, initial medical treatment should be started immediately including respiratory/circulatory management if required, without waiting for the definitive diagnosis. The patient's medical history is then taken; an abdominal examination is performed; blood tests, urinalysis, and diagnostic imaging are carried out; and a diagnosis is made using the diagnostic criteria for cholangitis/cholecystitis...
September 23, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28938410/gender-difference-in-the-clinical-presentation-of-primary-hyperparathyroidism-influence-of-menopausal-status
#6
Elena Castellano, Roberto Attanasio, Alberto Boriano, Micaela Pellegrino, Francesca Garino, Laura Gianotti, Giorgio Borretta
Background: Female to male ratio in primary hyperparathyroidism (PHPT) is 3:1, but data on gender impact on the clinical presentation are limited. Methods: We evaluated retrospectively gender difference in biochemistry and clinical presentation at diagnosis in a monocentric series of 417 patients with PHPT: 93 men (58.6 ±14.5 years), and 324 women (61.7 ± 12.8 years), of whom 54 were pre-menopausal (pre-F) and 270 post-menopausal (post-F). Results: Men were significantly younger (p = 0...
September 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938274/pain-free-3-t-mri-scans-in-cochlear-implantees
#7
Ingo Todt, Anja Tittel, Arne Ernst, Philipp Mittmann, Sven Mutze
OBJECTIVE: For cochlear implant recipients, undergoing magnetic resonance imaging (MRI) scans is associated with safety risks and potential side effects. Even following safety guidelines, potential complications (e.g., pain, magnet dislocation, image artifacts) are possible during 1.5 Tesla (T) MRI scans. The stronger static magnetic field of a 3.0 T scanner is associated with further risks of complication, including implant demagnetization. These complications led to the recent development of rotatable internal receiver magnets with a diametrical magnetization...
September 21, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28937575/committee-opinion-no-723-guidelines-for-diagnostic-imaging-during-pregnancy-and-lactation
#8
(no author information available yet)
Imaging studies are important adjuncts in the diagnostic evaluation of acute and chronic conditions. However, confusion about the safety of these modalities for pregnant and lactating women and their infants often results in unnecessary avoidance of useful diagnostic tests or the unnecessary interruption of breastfeeding. Ultrasonography and magnetic resonance imaging are not associated with risk and are the imaging techniques of choice for the pregnant patient, but they should be used prudently and only when use is expected to answer a relevant clinical question or otherwise provide medical benefit to the patient...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937570/committee-opinion-no-723-summary-guidelines-for-diagnostic-imaging-during-pregnancy-and-lactation
#9
(no author information available yet)
Imaging studies are important adjuncts in the diagnostic evaluation of acute and chronic conditions. However, confusion about the safety of these modalities for pregnant and lactating women and their infants often results in unnecessary avoidance of useful diagnostic tests or the unnecessary interruption of breastfeeding. Ultrasonography and magnetic resonance imaging are not associated with risk and are the imaging techniques of choice for the pregnant patient, but they should be used prudently and only when use is expected to answer a relevant clinical question or otherwise provide medical benefit to the patient...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937024/celiac-disease-related-osteopathy-among-saudi-celiac-patients-are-we-adherent-to-recommendations
#10
Mona A Fouda
BACKGROUND/AIMS: There are no reports from Saudi Arabia documenting the picture of osteopathy in celiac disease (CD) and the adherence of physicians to the guidelines and recommendations to screen for bone disease. We conducted this study to document the prevalence of CD-related osteopathy and the Saudi physicians' adherence to the screening recommendations. PATIENTS AND METHODS: We identified the biopsy proven CD cases diagnosed between 2003 and 2012. In addition to demographic data, we collected laboratory (serum calcium, phosphate, alkaline phosphatase, 25-dihydroxy vitamin D, and parathyroid hormone levels) and imaging [Dual-energy X-ray absorptiometry (DEXA)] data...
September 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/28936543/us-li-rads-ultrasound-liver-imaging-reporting-and-data-system-for-screening-and-surveillance-of-hepatocellular-carcinoma
#11
Tara A Morgan, Katherine E Maturen, Nirvikar Dahiya, Maryellen R M Sun, Aya Kamaya
Ultrasound is the most widely used imaging tool for hepatocellular carcinoma (HCC) screening and surveillance. Until now, this method has lacked standardized guidelines for interpretation, reporting, and management recommendations [1-5]. To address this need, the American College of Radiology (ACR) has developed the Ultrasound Liver Imaging Reporting and Data System (US LI-RADS) algorithm. The proposed algorithm has two components: detection scores and visualization scores. The detection score guides management and has three categories: US-1 Negative, US-2 Subthreshold, and US-3 Positive...
September 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28935163/optimising-the-diagnosis-of-prostate-cancer-in-the-era-of-multiparametric-magnetic-resonance-imaging-a-cost-effectiveness-analysis-based-on-the-prostate-mr-imaging-study-promis
#12
Rita Faria, Marta O Soares, Eldon Spackman, Hashim U Ahmed, Louise C Brown, Richard Kaplan, Mark Emberton, Mark J Sculpher
BACKGROUND: The current recommendation of using transrectal ultrasound-guided biopsy (TRUSB) to diagnose prostate cancer misses clinically significant (CS) cancers. More sensitive biopsies (eg, template prostate mapping biopsy [TPMB]) are too resource intensive for routine use, and there is little evidence on multiparametric magnetic resonance imaging (MPMRI). OBJECTIVE: To identify the most effective and cost-effective way of using these tests to detect CS prostate cancer...
September 18, 2017: European Urology
https://www.readbyqxmd.com/read/28935064/no-231-guidelines-for-the-management-of-vasa-previa
#13
Robert Gagnon
OBJECTIVES: To describe the etiology of vasa previa and the risk factors and associated condition, to identify the various clinical presentations of vasa previa, to describe the ultrasound tools used in its diagnosis, and to describe the management of vasa previa. OUTCOMES: Reduction of perinatal mortality, short-term neonatal morbidity, long-term infant morbidity, and short-term and long-term maternal morbidity and mortality. EVIDENCE: Published literature on randomized trials, prospective cohort studies, and selected retrospective cohort studies was retrieved through searches of PubMed or Medline, CINAHL, and the Cochrane Library, using appropriate controlled vocabulary (e...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28935062/no-260-ultrasound-in-twin-pregnancies
#14
Lucie Morin, Kenneth Lim
OBJECTIVE: To review the literature with respect to the use of diagnostic ultrasound in the management of twin pregnancies. To make recommendations for the best use of ultrasound in twin pregnancies. OUTCOMES: Reduction in perinatal mortality and morbidity and short- and long-term neonatal morbidity in twin pregnancies. Optimization of ultrasound use in twin pregnancies. EVIDENCE: Published literature was retrieved through searches of PubMed and the Cochrane Library in 2008 and 2009 using appropriate controlled vocabulary (e...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28933460/tpz-a-bright-centrosymmetric-two-photon-scaffold-for-bioimaging
#15
Zuhai Lei, Ping Yue, Xueli Wang, Xinran Li, Yi Li, Haihong He, Xiao Luo, Xiangming Meng, Jinquan Chen, Xuhong Qian, Youjun Yang
The development of biocompatible two-photon fluorophores with a large absorption cross-section is challenging, despite the presence of theoretical guidelines. By rendering asymmetric PRODAN dye centrosymmetric, we designed and synthesized a novel class of two-photon fluorophores (TPZ). Their photophysical properties were investigated and their imaging potentials in cells, tissues and zebrafish were showcased.
September 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28932956/time-lapse-imaging-provides-further-evidence-that-planar-arrangement-of-blastomeres-is-highly-abnormal
#16
Thomas Ebner, Alexandra Höggerl, Peter Oppelt, Elisabeth Radler, Simon-Hermann Enzelsberger, Richard B Mayer, Erwin Petek, Omar Shebl
PURPOSE: Recently, guidelines on the annotation of dynamic human embryo monitoring recommended screening for the presence of planar blastomere arrangement at the 4-cell stage. This observational study was set up in order to analyze whether developmental kinetics of planar human embryos are different from tetrahedral ones. METHODS: Therefore, embryos of 115 consecutive ICSI patients (showing 32 planar and 554 tetrahedral embryos) were cultured in a new time-lapse system (Miri TL) and their embryos were annotated for morphokinetic development and screened for irregular cleavages and morphological dysmorphisms...
September 20, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28930804/venous-thromboembolism-in-gynecological-malignancy
#17
Abigail Cohen, Chung Sim Lim, Alun Huw Davies
OBJECTIVE: Venous thromboembolism (VTE) is a recognized complication of gynecological malignancy and represents a leading cause of morbidity and mortality in these patients. The review aimed to discuss the incidence, risk factors, and clinical presentation of VTE before examining the literature on the diagnosis, prevention, and management in the context of uterine, cervical, ovarian, and vulval cancers. METHODS/MATERIALS: A literature search was performed using Ovid Medline and Embase with the following words: "gynecological malignancy," "pelvic tumor," "venous thromboembolism," "deep vein thrombosis" and "pulmonary embolism...
September 19, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28929528/a-quality-control-exercise-in-the-echo-laboratory-reduction-in-inter-observer-variability-in-the-interpretation-of-pulmonary-hypertension
#18
Daniel M Patton, Atoosa Enzevaie, Andrew Day, Anthony Sanfilippo, Amer M Johri
BACKGROUND: Right ventricular systolic pressure (RVSP) estimated by echocardiography is critical for the initial screening and follow-up of pulmonary hypertension (PH). Inter-observer variability (IOV) in RVSP can impact clinical decision making. This study assessed whether a simple guideline-based teaching intervention could reduce the IOV in RVSP interpretation. METHODS AND RESULTS: Eleven participants in a high-volume tertiary level echocardiography laboratory underwent an assessment of the baseline IOV in the assessment of RVSP for a series of transthoracic echocardiograms (TTE), depicting various degrees of PH among 8 cases each before and after a teaching intervention...
September 19, 2017: Echocardiography
https://www.readbyqxmd.com/read/28928852/dcis-margins-and-breast-conservation-md-anderson-cancer-center-multidisciplinary-practice-guidelines-and-outcomes
#19
REVIEW
Henry M Kuerer, Benjamin D Smith, Mariana Chavez-MacGregor, Constance Albarracin, Carlos H Barcenas, Lumarie Santiago, Mary E Edgerton, Gaiane M Rauch, Sharon H Giordano, Aysegul Sahin, Savitri Krishnamurthy, Wendy Woodward, Debasish Tripathy, Wei T Yang, Kelly K Hunt
Recent published guidelines suggest that adequate margins for DCIS should be ≥ 2 mm after breast conserving surgery followed by radiotherapy (RT). Many groups now use this guideline as an absolute indication for additional surgery. This article describes detailed multidisciplinary practices including extensive preoperative/intraoperative pathologic/histologic image-guided assessment of margins, offering some patients with small low/intermediate grade DCIS no RT, the use/magnitude of radiation boost tailoring to margin width, and endocrine therapy for ER-positive DCIS...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928084/follow-up-care-for-survivors-of-prostate-cancer-clinical-management-a-program-in-evidence-based-care-systematic-review-and-clinical-practice-guideline
#20
A Loblaw, L H Souter, C Canil, R H Breau, M Haider, L Jamnicky, R Morash, M Surchin, A Matthew
AIMS: This clinical practice guideline was developed to provide evidence-based guidance on the frequency by which prostate-specific antigen (PSA) levels should be tested in men after curative-intent treatment for prostate cancer and to define the most appropriate diagnostic testing if biochemical recurrence occurs. MATERIALS AND METHODS: An electronic search using OVID was used to systematically search the MEDLINE and EMBASE databases for systematic reviews and primary literature...
September 16, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
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