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Si Eun Lee, Ji Eun Moon, Yun Ho Rho, Eun-Kyung Kim, Jung Hyun Yoon
Purpose: The aim of this study was to evaluate and compare the diagnostic performance of grayscale ultrasonography (US), US elastography, and US computer-aided diagnosis (US-CAD) in the differential diagnosis of breast masses. Methods: A total of 193 breast masses in 175 consecutive women (mean age, 46.4 years) from June to August 2015 were included. US and elastography images were obtained and recorded. A US-CAD system was applied to the grayscale sonograms, which were automatically analyzed and visualized in order to generate a final assessment...
September 24, 2016: Ultrasonography
A Skalec, P Przyborowska-Zhalniarovich, I Janus, K Kirstein, M Mieszkowska, Z Adamiak, A Chrószcz, M Janeczek
In spite of recent advances in treatment protocols, tendinopathies continue to challenge orthopaedists and surgeons. Due to the complexity of both tendon injuries and the healing processes, animal models are essential for addressing fundamental questions in tendinopathy research. Diagnostic imaging could contribute to the evaluation of animal models, thus providing information, which could be translated to human tendinopathies. The objective of our study was to evaluate in situ appearance of the rabbit common calcanean tendon with ultrasonography and magnetic resonance imaging...
September 1, 2016: Polish Journal of Veterinary Sciences
Elaine L Duryea, Brian M Casey, Donald D McIntire, Diane M Twickler
PURPOSE: To determine if sonographic variables, including fetal femur length to abdominal circumference ratio (FL/AC), are associated with shoulder dystocia in women with gestational diabetes. METHODS: This was a retrospective cohort study of women with gestational diabetes who delivered singleton infants at Parkland Hospital from 1997 to 2015. Diagnosis and treatment of gestational diabetes was uniform including sonography at 32-36 weeks. Biometric calculations were evaluated for correlation with shoulder dystocia...
October 19, 2016: Journal of Maternal-fetal & Neonatal Medicine
Elpis-Athina Vlachopapadopoulou, Marina Vakaki, Fotini-Eleni Karachaliou, Irene Kaloumenou, Kleanthi Kalogerakou, Christina Gali, Stefanos Michalacos
BACKGROUND: During gestation, the primordial thymus migrates from the pharynx to the anterior mediastinum, thus thymic tissue can remain at any point along this path. Intrathyroidal thymic remnants are rare, and their sonographic patterns have only recently been described. This retrospective study presents the sonographic appearance of ectopic intrathyroidal thymus and emphasizes the role of sonography in order to avoid misdiagnosis. METHODS: The population consisted of 42 children, 3...
October 19, 2016: Hormone Research in Pædiatrics
Yoon Sang Shin, Yeo Ju Kim, In Suh Park, Young Chae Chu, Jun Ho Kim, Ha Young Lee, Kyung Hee Lee, Young Hye Kang
OBJECTIVES: The purpose of this study was to compare the sonographic findings of angio lipomas with those of superficial lipomas. METHODS: Preoperative sonograms of 26 angiolipomas from 18 patients and 47 superficial lipomas from 43 patients that were confirmed by biopsy were reviewed retrospectively. The echo texture, echogenicity, internal echogenic stranding, vascularity, visualization of lateral and superficial-deep tumor capsules, shape, and tumor length, width, and length-to-width ratio were evaluated and compared between angiolipomas and superficial lipomas...
October 13, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Victor Longo, Jon A Jacobson, David P Fessell, Kenneth Mautner
The purpose of this series was to retrospectively characterize the ultrasound findings of delayed-onset muscle soreness (DOMS). The Institutional Review Board approved our study, and informed consent was waived. A retrospective search of radiology reports using the key phrase "delayed-onset muscle soreness" and key word "DOMS" from 2001 to 2015 and teaching files was completed to identify cases. The sonograms were reviewed by 3 fellowship-trained musculoskeletal radiologists by consensus. Sonograms were retrospectively characterized with respect to echogenicity (hypoechoic, isoechoic, or hyperechoic), distribution of muscle involvement, and intramuscular pattern (focal versus diffuse and well defined versus poorly defined)...
October 13, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
M Telegrafo, T Introna, L Coi, I Cornacchia, L Rella, A A Stabile Ianora, G Angelelli, M Moschetta
AIM: To assess the role of breast US in diagnosing and classifying gynecomastia as the primary imaging modality and to compare US findings and classification system with the mammographic ones. PATIENTS AND METHODS: 48 patients suspected of having gynecomastia underwent mammography and US. Two radiologists in consensus retrospectively evaluated mammograms and sonograms. Both US and mammographic images were evaluated categorizing gynecomastia into non-mass, nodular and flame shaped patterns...
May 2016: Il Giornale di Chirurgia
Bhaskara Rao Chintada, Adhitya Vikraman Subramani, Bagyam Raghavan, Arun Kumar Thittai
This study was aimed at developing a method for automatically selecting a few representative frames from several hundred axial-shear strain elastogram frames typically obtained during freehand compression elastography of the breast in vivo. This may also alleviate some inter-observer variations that arise at least partly because of differences in selection of representative frames from a cine loop for evaluation and feature extraction. In addition to the correlation coefficient and frame-average axial strain that have been previously used as quality indicators for axial strain elastograms, we incorporated the angle of compression, which has unique effects on axial-shear strain elastogram interpretation...
October 6, 2016: Ultrasound in Medicine & Biology
Georgios C Pratilas, Panagiotis Chatzis, Nikolaos Panteleris, Kimon Chatzistamatiou, Leonidas Zeipiridis, Konstantinos Dinas
A woman presented at the gynecological emergency clinic with severe lower abdominal pain. Even though she reported normal menses and had no risk factors for ectopic pregnancy, pregnancy test was positive and vaginal sonogram indicated heterotopic pregnancy at 12 weeks of gestation, with rupture of the ectopic pregnancy. Laboratory results indicated significant blood loss, and emergency laparotomy with salpingo-ophorectomy was performed. The intrauterine pregnancy continued uneventfully. Interestingly, the previous month the patient had also undergone investigation for vague abdominal pain and anemia...
October 8, 2016: Journal of Obstetrics and Gynaecology Research
Julia L Savage, Katherine E Maturen, Erika L Mowers, Katherine B Pasque, Ashish P Wasnik, Vanessa K Dalton, Jason D Bell
PURPOSE: To assess the prospective sonographic diagnosis of molar pregnancy and compare sonographic features of complete versus partial molar pregnancy. METHODS: This institutional review board--approved retrospective chart review conducted between 2001 and 2011 identified 70 women with a histopathologic diagnosis of molar pregnancy and with available sonograms. Clinical data, images, and reports were reviewed, and features enumerated by radiologists blinded to the final diagnosis...
October 3, 2016: Journal of Clinical Ultrasound: JCU
Michael J Barrington, Laura P Viero, Roman Kluger, Alexander L Clarke, Jason J Ivanusic, Daniel M Wong
BACKGROUND AND OBJECTIVES: The objectives of this study were to determine the learning curve for capturing sonograms and identifying anatomical structures relevant to ultrasound-guided axillary brachial plexus block and to determine if massed was superior to distributed practice for this core sonographic skill. METHODS: Ten University of Melbourne, third- or fourth-year Doctor of Medicine students were randomized to massed or distributed practice. Participants performed 15 supervised learning sessions comprising scanning followed by feedback...
September 28, 2016: Regional Anesthesia and Pain Medicine
Tom Fiers, Caroline Dielen, Sara Somers, Jean-Marc Kaufman, Jan Gerris
INTRODUCTION: Controlled ovarian hyper-stimulation for in vitro fertilization or intra cytoplasmatic sperm injection necessitates close monitoring using ultrasound and estradiol measurements. Monitoring is also important to prevent or limit the severity of ovarian hyper stimulation syndrome, an iatrogenic and potentially life-threatening complication. Self-operated endovaginal telemonitoring has been shown to offer an attractive and less costly alternative to classic consultation and saliva estradiol measurements could be a stress-free and practical alternative to serial blood determinations...
September 23, 2016: Clinical Biochemistry
Bill Pass, Maria Johnson, Elizabeth M A Hensor, Harun Gupta, Philip Robinson
OBJECTIVES: To evaluate quantitative sonoelastography of benign and malignant musculoskeletal soft tissue masses. METHODS: We conducted a prospective study of 50 patients from a specialist sarcoma center who had extremity soft tissue masses referred for biopsy. After consent, the quantitative shear wave velocity (meters per second) was measured in longitudinal and transverse planes (3 readings in each plane and mean calculated). All masses subsequently underwent biopsy, excision, or both, with the histologic diagnosis taken as the reference standard...
October 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
J Christopher Glantz
OBJECTIVES: To determine how often fetal organ systems are imaged completely and whether this rate varies by hospital. METHODS: All initial sonographic anatomic examinations between 16 and 24 weeks from 3 hospitals (perinatal designation levels I-III) from January 2012 through December 2013 were identified in their obstetric and gynecologic anatomic survey report databases, focusing on 36 anatomic fields. Structures were grouped into regions: brain, face, spine, heart, abdomen, and extremities...
September 23, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
C B Hertenstein, K Blakemore, D L Hertenstein, C Lawson, V Corson, K Rock, K G Sagaser, J Crino
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
Aya Kamaya, Pauline Chang Yu, Carla Ramas Lloyd, Bertha H Chen, Terry S Desser, Katherine E Maturen
OBJECTIVES: To evaluate the interrupted mucosa sign for identification of endometrial polyps, using pathologic confirmation as the reference standard, compared to other accepted sonographic findings. METHODS: We reviewed 195 patients referred for pelvic sonographic evaluations for suspected endometrial polyps in this retrospective Institutional Review Board-approved study. Of these, 82 had tissue sampling of the endometrium and constituted the final study group...
September 14, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Michael Gorn, Sergey Kunkov, Ellen F Crain
OBJECTIVE: To describe a novel Ultrasound Assisted Lumbar Puncture (UALP) technique and to compare it to Standard Lumbar Puncture (SLP) technique in infants. METHODS: A prospective, randomized, controlled study in infants 60 days old and younger undergoing a lumbar puncture (LP) in a pediatric emergency department. Patients with a spinal anomaly or ventriculoperitoneal shunt were excluded. Eligible infants were randomized to UALP or SLP. A spinal sonogram was performed on all patients by an investigator not involved in performing the LP...
September 15, 2016: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
Young-Hoo Kim, Jang-Won Park, Jun-Shik Kim
BACKGROUND: The major concern with the use of tranexamic acid is that it may promote a hypercoagulable state and increase the risk of deep vein thrombosis (DVT) and pulmonary embolism (PE), particularly when chemical thromboprophylaxis is not used. The objective of this study was to ascertain whether tranexamic acid reduces blood loss and transfusion amounts and increases the prevalence of DVT and PE in the patients undergoing primary cementless total hip arthroplasty (THA) without the use of routine chemical thromboprophylaxis...
August 11, 2016: Journal of Arthroplasty
Xiaowei Huang, Yanling Zhang, Ming Qian, Long Meng, Yang Xiao, Lili Niu, Rongqin Zheng, Hairong Zheng
OBJECTIVES: Anechoic carotid plaques on sonography have been used to predict future cardiovascular or cerebrovascular events. The purpose of this study was to investigate whether carotid plaque echogenicity could be assessed objectively by combining texture features extracted by MaZda software (Institute of Electronics, Technical University of Lodz, Lodz, Poland) and morphologic characteristics, which may provide a promising method for early prediction of acute cardiovascular disease...
October 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Qian Li, Abhinav Vij, Peter F Hahn, Feixiang Xiang, Anthony E Samir
This study aimed to determine whether active ultrasound surveillance may obviate the need for surgical resection in selected patients with small testicular lesions (STLs). A retrospective 11-year review was conducted of adults who were diagnosed with an STL on scrotal ultrasonography and who either had orchiectomy or sonographic follow-up during a period of at least 3 months. A total of 101 subjects were enrolled. Ultrasound findings, clinical features, histopathology/follow-up imaging were recorded. Logistic regression analysis was performed to select independent risk factors for the diagnosis of malignancy...
August 29, 2016: Ultrasound Quarterly
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