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Ultrasound Quarterly

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https://www.readbyqxmd.com/read/28590290/huge-hepatic-fungal-inflammatory-pseudotumor-misdiagnosed-as-primary-hepatocellular-carcinoma
#1
Meng Fei Xian, Wen Tong Lan, Hui Huang, Dan Zeng, Zuo Feng Xu
Fungal inflammatory pseudotumor (FIPT) of the liver is a rare disease that may be mistaken for a malignant tumor. It is difficult to diagnose because of its nonspecific clinical and imaging features. We report the case of a 46-year-old Asian man who presented with a mass in the right upper quadrant of the abdomen. The patient had undergone transcatheter arterial chemoembolization therapy at another institution 6 months earlier, but the mass had continued to enlarge. He had no history of chronic hepatitis B, and the serum α-fetoprotein was negative...
June 6, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28549004/efficiency-of-b-mode-ultrasound-and-strain-elastography-in-differentiating-between-benign-and-malignant-cervical-lymph-nodes
#2
Eser Tugut, Cetin Celenk, Asli Tanrivermis Sayit, Tümay Bekci, Hediye Pinar Gunbey, Kerim Arslan
PURPOSE: The purpose of this study was to evaluate the diagnostic accuracy and efficiency of ultrasonography (US), especially when combined with strain elastography (SE), in differentiating between benign and malignant cervical lymph nodes (LNs). METHODS: Forty-one LNs were examined by B-mode US, power Doppler US, and SE. The following imaging features were analyzed: shape, echogenicity, echogenic hilum, calcification, intranodal vascular pattern, elasticity scores (5 categories), and strain ratio...
May 25, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28549003/noninvasive-thermometry-in-high-intensity-focused-ultrasound-ablation
#3
Yufeng Zhou
High-intensity focused ultrasound (HIFU) is emerging as an effective and promising treatment modality for the formation of coagulative necrosis inside the cancer/tumor noninvasively. To guarantee the efficacy and efficiency of HIFU ablation, the temperature field and consequent thermal dose should be monitored accurately in a high temporal and spatial resolution in real time. However, because of the significant variations of the tissue properties and deep penetration of HIFU beam, especially in the abdominal application, noninvasive thermometry is a very challenging topic, which may hamper the wide acceptance of HIFU by physicians worldwide...
May 25, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28549002/clinical-significance-of-histogram-parameters-on-elastography-in-patients-with-papillary-thyroid-microcarcinomas
#4
Hee Yeun Yoon, Ji Hye Lee, Young Eun Kim, Eun-Kyung Kim, Hee Jung Moon, Jung Hyun Yoon, Vivian Y Park, Jin Young Kwak
OBJECTIVE: The purpose of our study was to determine objective histogram parameters on elastography that could predict poor prognosis factors of conventional papillary thyroid microcarcinomas (PTMCs). METHODS: From September to November in 2012, 79 patients with a diagnosis of PTMCs were included. Mean values of clinicopathologic variables and histogram parameters on elastography were compared between groups with or without poor prognostic factors using the Student t test, χ test, or Fisher exact test...
May 25, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28538590/ultrasound-diagnosis-of-clinically-unsuspected-ureteral-stone-presenting-as-acute-scrotum-case-series
#5
Ronald H Wachsberg
Ureteral colic is not generally included in the differential diagnoses of acute scrotal pain, although ureteral pathology is a recognized cause of pain referred to the scrotum. We report 3 patients presenting with acute scrotal pain who had normal scrotal color Doppler ultrasound scans; subsequent ultrasound of the ipsilateral kidney revealed hydronephrosis, which ultimately led to the clinically unsuspected diagnosis of ureteral colic. We conclude that ureteral colic should be included in the differential diagnosis of acute scrotal pain, and we further suggest that a survey ultrasound of the kidney on the side of the pain should be performed in patients presenting with acute scrotal pain and a normal color Doppler ultrasound examination of the scrotum...
May 20, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28514261/doppler-ultrasound-evaluation-of-circulatory-support-devices
#6
Zachary Nuffer, Andrey Rupasov, Shweta Bhatt
In the setting of mechanical circulatory support devices, including ventricular assist devices, extracorporeal membrane oxygenation, intraaortic balloon pumps, and the total artificial heart, the spectral Doppler waveform is significantly altered, reflecting systemic hemodynamic changes. As the prevalence of these devices increases, a better understanding of both the devices themselves and their associated Doppler ultrasound findings is necessary for accurate image interpretation. This article reviews the clinical indications, pathophysiology, and sonographic findings of these devices, with emphasis on the variation in arterial Doppler waveforms that can be seen with normal function, as well as the major complications...
May 16, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28514260/differential-diagnostic-value-of-obstructive-and-nonobstructive-azoospermia-by-scrotal-ultrasound
#7
Jun Liu, Zhiqian Wang, Min Li, Mingyang Zhou, Weiwei Zhan
Our objective was to assess the differential diagnostic value of classification of obstructive versus nonobstructive azoospermia by scrotal ultrasound. Forty patients with azoospermia were selected for our study (ages, 23-35; average, 29 ± 5.34 years). Patients were divided into the obstructive (17) or nonobstructive (23) azoospermia category. Twenty "healthy" volunteers were selected for the control group. We observed the testis, epididymis, and vas deferens in all subjects. Testicular volumes were calculated and compared with the control group for both obstructive and nonobstructive groups...
May 16, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28514259/does-type-1-diabetes-mellitus-affect-the-shear-wave-velocity-of-the-thyroid-gland-of-children-without-autoimmune-thyroiditis
#8
Dilek Sağlam, Meltem Ceyhan Bilgici, Cengiz Kara, Gülay Can Yilmaz, Asli Tanrivermiş Sayit
OBJECTIVE: The aim of this study is to evaluate the shear wave velocity (SWV) of the thyroid gland with acoustic radiation force impulse elastography in children with type 1 diabetes mellitus (T1D). MATERIALS AND METHODS: Between November 2015 and April 2016, 35 T1D patients who were referred to our hospital's endocrinology outpatient clinic (mean age, 11.88 ± 4.1 years) and 30 children (mean age, 11.3 ± 3.08 years) in the control group were enrolled in the study...
May 16, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28430713/a-national-survey-of-neonatologists-barriers-and-prerequisites-to-introduce-point-of-care-ultrasound-in-neonatal-icus
#9
Hussnain S Mirza, Gregory Logsdon, Anoop Pulickal, Mark Stephens, Rajan Wadhawan
Point-of-care (POC) ultrasound refers to the use of portable imaging. Although POC ultrasound is widely available to the neonatologists in Australia and Europe, neonatologists in the United States report limited availability. Our objective was to seek the US neonatologists' perception of barriers and prerequisites in adopting POC ultrasound in neonatal intensive care units. An online survey link was sent via e-mail to 3000 neonatologists included in the database maintained by the American Academy of Pediatrics...
April 20, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28399070/radiologist-and-sonographer-interpretation-discrepancies-for-biliary-sonographic-findings-our-experience
#10
Adrian Dawkins, Nanditha George, Halemane Ganesh, Andres Ayoob, James Lee, Rashmi Nair, Cassie Kiper, Kevin Duncan, Scott Stevens
PURPOSE: The aim was to determine the discrepancy rate between the preliminary interpretation by sonographers and the final radiology interpretation for biliary sonographic findings. MATERIALS AND METHODS: Institutional review board approval was obtained. Four hundred consecutive right upper quadrant sonographer performed ultrasounds were reviewed retrospectively. Sonographers' worksheets were compared with the final radiology report. For the purposes of this project, only the biliary findings were compared and reviewed...
April 10, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28541268/scrotal-ultrasonic-features-of-congenital-bilateral-absence-of-vas-deferens
#11
Jun Liu, Zhiqian Wang, MingYang Zhou, Min Li, Weiwei Zhan
OBJECTIVE: This article discusses scrotal ultrasonic features of patients with a congenital bilateral absence of the vas deferens (CBAVD). METHODS: Thirty-six patients with CBAVD were examined to obtain image characteristics of the bilateral testicle and epididymis by ultrasound. Each patient received a pathological examination of the sperm by percutaneous epididymal biopsy. RESULTS: Scrotal ultrasonic features were as follows: (1) testicular volumes were normal in all the 36 patients; (2) 21% (15/72) of the heads of epididymis, 67% (48/72) of the heads and bodies of epididymis, and 12% (9/72) of the heads, bodies, and tails of epididymis could be shown in the 72 epididymides of the 36 patients; (3) cystic or tubular dilation of the epididymis was obvious in all 72 abnormal epididymides; and (4) bilateral vas deferens could not be found in these patients...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28538450/literature-reviews
#12
Yoshimi Endo
No abstract text is available yet for this article.
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28538449/sonographic-and-magnetic-resonance-imaging-characteristics-of-juvenile-papillomatosis-three-cases-with-different-manifestations
#13
Ravza Yilmaz, Zuhal Bayramoglu, Fuat Bicen, Arda Kayhan, Semen Yesil, Gulden Acunas
Juvenile papillomatosis (JP) is an infrequently seen benign proliferative lesion in women younger than 30 years. Herein, we present different clinical manifestations of histopathologically proven JP of the breast, in addition to magnetic resonance and sonographic imaging features of these cases. Patient 1 exhibited nipple discharge and papillary carcinoma accompanied after the operation. Patient 2 presented with a giant mass with cystic and numerous solid nodular components that filled the entire right breast...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28538448/ultrasonography-for-preoperative-diagnosis-of-retroperitoneal-fibrosis
#14
Sheng-Jiang Chen, Ling Qin, Yu-Juan Xie, Jian-Ping Zhu, Qiang Zhang, Mei Chen
This study aimed to assess the application of ultrasonography for preoperative diagnosis of retroperitoneal fibrosis (RPF). A total of 51 patients with clinically suspected RPF underwent transabdominal ultrasonography and ultrasound-guided histopathologic biopsy (tAU-UGHB). Retroperitoneal fibrosis was diagnosed in 35 patients; of these, 31 cases (88.6%) received a diagnosis using tAU-UGHB. The ultrasonographic images mainly showed solid, irregular isoechoic masses, which were present behind the retroperitoneum and surrounded the abdominal aorta, inferior vena cava, and ureters and had clear borders with the encapsulated structures...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28538447/editor-s-introduction-the-brave-new-world-of-ultrasound-contrast
#15
Theodore J Dubinsky
No abstract text is available yet for this article.
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28492409/papillary-carcinoma-arising-in-a-thyroglossal-duct-cyst
#16
Jason J Higgins, Mindy M Horrow
No abstract text is available yet for this article.
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28481765/a-case-of-ruptured-interstitial-ectopic-pregnancy-ultrasonographic-appearance-with-gross-pathology-correlate
#17
William D Kerridge, Bianca Carpentier, Jessica H Hayward, Juan E Vargas
No abstract text is available yet for this article.
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28481764/ultrasound-guided-percutaneous-biopsy-of-the-native-kidney-an-axial-approach-along-br%C3%A3-del-avascular-plane-of-the-lower-pole
#18
Yunsup Hwang, Yu Ri Shin, Su Lim Lee, Yoo Dong Won, Young Mi Ku
PURPOSE: This study demonstrates the feasibility and safety of the axial approach for real-time ultrasound-guided percutaneous renal biopsy along Brödel avascular plane. METHODS: In this retrospective analysis of 41 percutaneous biopsies performed from June 2014 to June 2015, patients' medical records, pathology results, complication rate, and pain score before and during the procedure were reviewed. RESULTS: The average number of sampled glomeruli was 16...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28481763/in-plane-ultrasound-guided-knee-injection-through-a-lateral-suprapatellar-approach-a-safe-technique
#19
Francisco A Chagas-Neto, Atul K Taneja, Everaldo Gregio-Junior, Marcello H Nogueira-Barbosa
PURPOSE: This study aims to describe a technique for in-plane ultrasound-guided knee arthrography through a lateral suprapatellar approach, reporting its accuracy and related complications. METHODS: A retrospective search was performed for computed tomography and magnetic resonance reports from June 2013 through June 2015. Imaging studies, puncture descriptions, and guided-procedure images were reviewed along with clinical and surgical history. A fellowship-trained musculoskeletal radiologist performed all procedures under sterile technique and ultrasound guidance with the probe in oblique position on the lateral suprapatellar recess after local anesthesia with the patient on dorsal decubitus, hip in neutral rotation, and 30 to 45 degrees of knee flexion...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28422772/can-ultrasound-imaging-predict-the-success-of-an-experimental-steatofibrosis-model
#20
Rustu Turkay, Abdurrahman Fatih Aydin, Ilknur Bingul, Canan Kucukgergin, Isin Dogan-Ekici, Elif Hocaoglu, Ercan Inci, Baris Bakir, Mujdat Uysal
Our goal was to evaluate the role of ultrasound (US) imaging in an experimental 2-hit steatofibrosis rat model. Nineteen female Sprague-Dawley rats were divided into 2 groups: control group (n = 6) and high-fat diet carbontetrachloride (HFD-CCl4) group (n = 13) that was fed with HFD for 14 weeks. Ultrasound was performed to evaluate liver steatosis. The HFD-CCl4 group rats were divided further into 2 subgroups: HFD rats with liver steatosis [US (+) group; n = 6] and without steatosis [US (-) group; n = 7]. All rats in the subgroups were administered with CCl4...
June 2017: Ultrasound Quarterly
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