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https://www.readbyqxmd.com/read/29158999/recurrent-primary-suprahepatic-abscess-due-to-providencia-stuartii-a-rare-phenomenon
#1
Kyawzaw Lin, Aung Naing Lin, Sandar Linn, Madhavi Reddy, Anjali Bakshi
Gram-negative urease-producing bacilli, Providencia stuartii (P. stuartii), is reported in urinary tract infections, gastroenteritis, and bacteremia in humans but they rarely present with a hepatic abscess. We present a rare case of a recurrent suprahepatic cyst due to P. stuartii in a 45-year-old female, intravenous ( IV) heroin abuser with chronic hepatitis B and C. A 45-year-old female with 10 days status post right suprahepatic abscess drainage presented with recurrent, right, upper quadrant abdominal pain for one day...
September 16, 2017: Curēus
https://www.readbyqxmd.com/read/29152824/can-nomograms-predict-preoperative-axillary-lymph-node-metastasis-in-patients-with-breast-cancer-to-guide-second-look-ultrasonography
#2
Ameerah Azmil, Gaurav Jyoti Bansal
OBJECTIVES: The low sensitivity of ultrasonography (US) for diagnosing axillary lymph node metastasis in patients with breast cancer has led to the development of multiple tools in an attempt to increase preoperative sensitivity, including second-look US. We compared axillary lymph node metastasis predictor scores with postsurgical findings, using the Memorial Sloan Kettering Cancer Center (MSKCC; New York, NY) and Evidencio (www.evidencio.com) nomograms: 2 freely available online predictor tools...
November 20, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29127514/does-tranexamic-acid-increase-the-risk-of-thromboembolism-after-bilateral-simultaneous-total-knee-arthroplasties-in-asian-population
#3
Young-Hoo Kim, Jang-Won Park, Jun-Shik Kim, Dong-Hyuk Seo
PURPOSE: To ascertain whether tranexamic acid reduces the blood loss and transfusion rate and volumes; increase the prevalence of deep vein thrombosis (DVT); and investigate factors associated with DVT in patients undergoing primary bilateral total knee arthroplasties (TKAs) without use of chemical thromboprophylaxis. METHODS: There were 874 patients (1748 knees) in the control group who did not receive tranexamic acid and 871 patients (1742 knees) in the study group who received tranexamic acid...
November 10, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29077502/clinical-utility-of-ultrasound-measurements-of-plantar-fascia-width-and-cross-sectional-areaa-novel-technique
#4
Adebisi Bisi-Balogun, Michael Rector
BACKGROUND: We sought to develop a standardized protocol for ultrasound (US) measurements of plantar fascia (PF) width and cross-sectional area (CSA), which may serve as additional outcome variables during US examinations of both healthy asymptomatic PF and in plantar fasciopathy and determine its interrater and intrarater reliability. METHODS: Ten healthy individuals (20 feet) were enrolled. Participants were assessed twice by two raters each to determine intrarater and interrater reliability...
September 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29067201/an-imaging-investigation-of-in%C3%A2-situ-uroliths-in-hospitalized-cats-in-new-zealand-and-in-the-united-states
#5
Paul F Wightman, Kate E Hill, Eli B Cohen, Janis Bridges, Charlotte F Bolwell, John French, Brian A Adler, Ron Green
The submission rates of feline uroliths to laboratories and the composition of uroliths have been reported in studies. The prevalence of uroliths reported on imaging findings has not been published. The objective of this retrospective study was to use imaging data to investigate the anatomical location and the prevalence of macroscopic in situ uroliths in cats. Radiographs, sonograms and imaging reports from two cohorts of cats (from New Zealand (n = 497) and the United States (n = 693)) from 2004-2013 were reviewed for the presence of in situ uroliths...
November 2016: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29049233/pediatric-types-i-and-vi-choledochal-cysts-complicated-with-acute-pancreatitis-and-spontaneous-perforation-a-case-report-and-literature-review
#6
Ching-Chung Tsai, Po-Kai Huang, Hsien-Kuan Liu, Yu-Tsun Su, Ming-Chun Yang, Ming-Lun Yeh
RATIONALE: Choledochal cysts are a congenital disorder of the common bile duct that can cause progressive biliary obstruction and biliary cirrhosis. They were classified by Todani into five types. Of these, type VI choledochal cysts are rarely reported in the literature. PATIENT CONCERNS: A 22-month-old girl presented with intermittent epigastralgia for approximately 10 days and fever for three days. Fasting and total parenteral nutrition were administered after admission...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29027683/ultrasonographic-measurement-of-the-biceps-femoris-long-head-muscle-architecture
#7
Sandro R Freitas, João Marmeleira, Maria João Valamatos, Anthony Blazevich, Pedro Mil-Homens
OBJECTIVES: Biceps femoris long-head architectural assessment using ultrasonography (US) has not been previously described in detail for both acquisition (image capture) and digitization (image measurement) processes, and the effect of the US window width is unknown. This study aimed to describe the reliability and test-retest minimum detectable difference of US-based biceps femoris architectural measurements. METHODS: Muscle length was determined by marking the muscle-tendon junction distances...
October 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28990212/normal-development-of-the-corpus-callosum-and-evolution-of-corpus-callosum-sexual-dimorphism-in-infancy
#8
Chaw-Liang Chang, Nan-Chang Chiu, Yi-Chen Yang, Che-Sheng Ho, Kun-Long Hung
OBJECTIVES: The aim of this study was to establish reference ranges for the corpus callosum in infancy and to clarify how sexual dimorphism evolves between the fetal stage and infancy. METHODS: Normal sonograms from cerebral ultrasonographic examinations of 1- to 6-month-old healthy full-term infants were selected. The length and thickness of the corpus callosum were determined, and the effect of sex on these values was analyzed. Studies on corpus callosum sexual dimorphism were reviewed...
October 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28969104/sonographic-estimation-of-umbilical-cord-cross-section-area-and-its-reference-value-in-normal-pregnancy
#9
Khizer Hussain Afroze, Subhash Lakshmi Prabha, V Chandrakala, M Deepak
INTRODUCTION: The routine antenatal sonographic investigations of the umbilical cord are limited for assessment of number of umbilical vessels and doppler evaluation of umbilical blood flow. With the advancements of the sonographic techniques it is now possible to have more detailed evaluation of umbilical cord. There exist only few literatures on assessment of umbilical cord cross-sectional area during pregnancy to provide a baseline reference value. AIM: To establish the reference intervals of cross-sectional area of the umbilical cord during gestation and to find the correlation of umbilical cord cross-sectional area with the foetal anthropometric measurements...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28967674/estimating-gestational-age-with-sonography-regression-derived-formula-versus-the-fetal-biometric-average
#10
Chase R Cawyer, Sarah B Anderson, Jeff M Szychowski, Cherry Neely, John Owen
OBJECTIVES: To compare the accuracy of a new regression-derived formula developed from the National Fetal Growth Studies data to the common alternative method that uses the average of the gestational ages (GAs) calculated for each fetal biometric measurement (biparietal diameter, head circumference, abdominal circumference, and femur length). METHODS: This retrospective cross-sectional study identified nonanomalous singleton pregnancies that had a crown-rump length plus at least 1 additional sonographic examination with complete fetal biometric measurements...
September 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28952948/deep-neural-networks-for-the-recognition-and-classification-of-heart-murmurs-using-neuromorphic-auditory-sensors
#11
Juan P Dominguez-Morales, Angel F Jimenez-Fernandez, Manuel J Dominguez-Morales, Gabriel Jimenez-Moreno
Auscultation is one of the most used techniques for detecting cardiovascular diseases, which is one of the main causes of death in the world. Heart murmurs are the most common abnormal finding when a patient visits the physician for auscultation. These heart sounds can either be innocent, which are harmless, or abnormal, which may be a sign of a more serious heart condition. However, the accuracy rate of primary care physicians and expert cardiologists when auscultating is not good enough to avoid most of both type-I (healthy patients are sent for echocardiogram) and type-II (pathological patients are sent home without medication or treatment) errors made...
September 22, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28884206/neonatal-congenital-lung-tumors-the-importance-of-mid-second-trimester-ultrasound-as-a-diagnostic-clue
#12
Stephan L Waelti, Laurent Garel, Dorothée Dal Soglio, Françoise Rypens, Michael Messerli, Josée Dubois
BACKGROUND: The differential diagnosis for primary lung masses in neonates includes a variety of developmental abnormalities; it also consists of the much rarer congenital primary lung tumors: cystic pleuropulmonary blastoma (cystic PPB), fetal lung interstitial tumor (FLIT), congenital peribronchial myofibroblastic tumor (CPMT), and congenital fibrosarcoma. Radiologic differentiation between malformations and tumors is often very challenging. OBJECTIVE: The objective was to establish distinctive features between developmental pulmonary abnormalities and primary lung tumors...
December 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28840115/metal-artifact-reduction-in-dental-computed-tomography-images-based-on-sinogram-segmentation-using-curvelet-transform-followed-by-hough-transform
#13
Mehran Yazdi, Maryam Mohammadi
In X-ray computed tomography (CT), the presence of metal objects in a patient's body produces streak artifacts in the reconstructed images. During the past decades, many different methods were proposed for the reduction or elimination of the streaking artifacts. When scanning a patient, the projection data affected by metal objects (missing projections) appear as regions with high intensities in the sinogram. In spiral fan beam CT, these regions are sinusoid-like curves on sinogram. During the first time, if the metal curves are detected carefully, then, they can be replaced by corresponding unaffected projections using other slices or opposite views; therefore, the CT slices regenerated by the modified sonogram will be imaged with high quality...
July 2017: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/28838020/-the-relevance-of-surgeon-performed-ultrasound-for-the-detection-of-acute-appendicitis-a-review-of-the-literature-and-a-practical-diagnostic-algorithm
#14
Christian Rainer Beltzer, Christoph Zischek, Roland Schmidt, Benedikt Friemert, Gerhard Achatz, Hans-Georg Palm
Background The relevance of ultrasound (US) in diagnosing acute appendicitis is controversial. The validity of US in comparison with other imaging techniques, such as computed tomography (CT) and magnetic resonance imaging (MRI), is unclear, as is the difference between surgeon-performed ultrasound (SPUS) and radiologist-performed ultrasound (RPUS). On the basis of a review of current literature, our study aimed to develop a US-based algorithm to simplify the choice between additional diagnostic measures and surgery...
August 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28815106/automated-prediction-of-hepatic-arterial-stenosis
#15
Justin J Baraboo, Deendayal Dinakarpandian, Sherwin S Chan
Several thousand life-saving liver transplants are performed each year. One of the most common causes of early transplant failure is arterial stenosis of the anastomotic junction. Early detection of transplant arterial stenosis can help prevent transplant failure and the need to re-transplant. Doppler ultrasound is the most common screening method, but it suffers from poor specificity. Positive screening cases proceed to angiography which is an invasive and expensive procedure. A more accurate test could decrease the number of normal patients who would have to undergo this invasive diagnostic procedure...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28813731/a-case-of-fulminant-hepatic-failure-secondary-to-congestive-heart-failure-without-evidence-of-acute-cardiac-decompensation
#16
Kalyan Wagle, Oluwaseun A Akinseye, Prakash Shrestha, Madhuri Chandnani, Raiko Munankarmi, Vivian Ripin, Jimmy Yee
There are so far only a few reported cases of acute fulminant hepatic failure resulting from acute cardiomyopathy. This is a rare occurrence, especially in patients that do not exhibit any signs and symptoms of acute cardiac decompensation. We report a case of fulminant liver failure with nondiagnostic work up for the common causes of liver failure. This patient had concurrent history of congestive heart failure, but did not have acute decompensation. Right upper quadrant sonogram revealed hepatomegaly of 15 cm, trace amount of perihepatic ascites, pericholecystic fluid, and also thickened edematous gallbladder wall with no stones, no common bile duct stones, and no portal vein thrombosis...
April 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28777464/preliminary-experience-using-eye-tracking-technology-to-differentiate-novice-and-expert-image-interpretation-for-ultrasound-guided-regional-anesthesia
#17
Lindsay K Borg, T Kyle Harrison, Alex Kou, Edward R Mariano, Ankeet D Udani, T Edward Kim, Cynthia Shum, Steven K Howard
OBJECTIVES: Objective measures are needed to guide the novice's pathway to expertise. Within and outside medicine, eye tracking has been used for both training and assessment. We designed this study to test the hypothesis that eye tracking may differentiate novices from experts in static image interpretation for ultrasound (US)-guided regional anesthesia. METHODS: We recruited novice anesthesiology residents and regional anesthesiology experts. Participants wore eye-tracking glasses, were shown 5 sonograms of US-guided regional anesthesia, and were asked a series of anatomy-based questions related to each image while their eye movements were recorded...
August 4, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28770134/successful-postnatal-management-of-ruptured-giant-sacrococcygeal-teratoma
#18
Muataz A Alani
Most sacrococcygeal teratomas present between the 22nd and the 34th week of gestation. The diagnosis of sacrococcygeal teratoma on routine antenatal sonograms is associated with a greater than expected incidence of prenatal and perinatal complications. We report a premature baby with intrauterine spontaneous rupture of giant sacrococcygeal teratoma which was managed successfully.
April 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28742591/sonographic-tips-for-evaluation-of-adnexal-masses-in-pregnancy
#19
Timothy P Canavan
Pregnancy is frequently a women's first contact with the health care system and often her first pelvic ultrasound examination. This first sonogram can reveal previously unknown adnexal pathology. Approximately 4% of pregnant women will have an adnexal mass detected by sonography and 1% to 2% of these masses will persist. It is estimated that up to 7% of these persistent masses will be malignant. Sonography plays an important role in differentiating benign from malignant adnexal masses and physiological from pathologic masses and should be used judiciously to complement evaluation and help guide treatment...
September 2017: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28735870/evaluation-of-the-fetal-cerebellum-by-magnetic-resonance-imaging
#20
R Llorens Salvador, A Viegas Sainz, A Montoya Filardi, G Montoliu Fornas, F Menor Serrano
Obstetric protocols dictate that the fetal cerebellum should always be assessed during sonograms during pregnancy. For various reasons, including technical limitations or inconclusive sonographic findings, suspicion of cerebellar abnormalities is one of the most common indications for prenatal magnetic resonance imaging (MRI). Although sonography is the imaging technique of choice to assess the cerebellum, MRI shows the anatomy of the posterior fossa and abnormalities in the development of the fetal cerebellum in greater detail and thus enables a more accurate prenatal diagnosis...
July 20, 2017: Radiología
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