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Ultrasonography

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https://www.readbyqxmd.com/read/28870060/sonographic-features-that-can-be-used-to-differentiate-between-small-triple-negative-breast-cancer-and-fibroadenoma
#1
Ga Young Yoon, Joo Hee Cha, Hak Hee Kim, Hee Jung Shin, Eun Young Chae, Woo Jung Choi
Purpose: Our study investigated whether any sonographic findings could be useful for differentiating between small triple-negative breast cancer (TNBC) and fibroadenoma. Methods: This retrospective study was approved by our Institutional Review Board, which waived the requirement for patient consent. From January 2009 to December 2010, the sonographic features of 181 pathologically proven TNBC tumors and 172 fibroadenomas measuring less than or equal to 2 cm in the longest dimension were reviewed and analyzed according to the fifth edition of the Breast Imaging Reporting and Data System (BI-RADS) lexicon...
August 4, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28870061/morphological-alterations-of-the-tendon-and-pulley-on-ultrasound-after-intrasynovial-injection-of-betamethasone-for-trigger-digit
#2
Mitsuhiko Takahashi, Ryosuke Sato, Kenji Kondo, Koichi Sairyo
Purpose: The aim of this study was to elucidate whether intrasynovial corticosteroid injections for trigger digit reduced the volume of the tendon and pulley on high-resolution ultrasonography. Methods: Twenty-three digits of 20 patients with trigger digit were included. Each affected finger was graded clinically according to the following classification: grade I for pre-triggering, grade II for active triggering, grade III for passive triggering, and grade IV for presence of contracture...
July 25, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28830058/contrast-enhanced-ultrasonography-of-the-liver-using-sonovue
#3
Giovanna Ferraioli, Maria Franca Meloni
This review focuses on the use of contrast-enhanced ultrasonography (CEUS) with SonoVue Epub ahead of print (Bracco Imaging) for the diagnosis of focal liver lesions (FLLs), guidance during ablative treatment, and follow-up of liver tumors. Multicenter trials have shown that the performance of CEUS for the characterization of FLLs is similar to that of contrast-enhanced computed tomography or contrast-enhanced magnetic resonance imaging. CEUS with SonoVue has been effectively used for guiding the percutaneous treatment of malignant liver tumors that are invisible or poorly visualized in traditional gray-scale ultrasonography...
July 12, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28607323/ultrasound-guided-drug-delivery-in-cancer
#4
REVIEW
Sayan Mullick Chowdhury, Taehwa Lee, J├╝rgen K Willmann
Recent advancements in ultrasound and microbubble (USMB) mediated drug delivery technology has shown that this approach can improve spatially confined delivery of drugs and genes to target tissues while reducing systemic dose and toxicity. The mechanism behind enhanced delivery of therapeutics is sonoporation, the formation of openings in the vasculature, induced by ultrasound-triggered oscillations and destruction of microbubbles. In this review, progress and challenges of USMB mediated drug delivery are summarized, with special focus on cancer therapy...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28535604/use-of-transcatheter-contrast-enhanced-ultrasound-with-vessel-navigation-to-reduce-the-contrast-requirement-during-transarterial-chemoembolization-in-patients-with-renal-impairment
#5
https://www.readbyqxmd.com/read/28494525/ultrasonography-of-pediatric-urogenital-emergencies-review-of-classic-and-new-techniques
#6
REVIEW
Masahiro Kitami
Urogenital emergencies are fairly common in the pediatric population, and a timely and correct diagnosis is necessary to avoid possible future infertility. In this field, ultrasonography is essential, as it has the advantages of being radiation-free and readily accessible. In particular, a high-frequency transducer allows precise evaluation of the morphology and vascularity of the scrotum, which is on the surface of the body. Beyond conventional techniques, new advanced imaging techniques have been developed, including elastography and contrast-enhanced ultrasonography...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28372341/ultrasonography-of-the-pediatric-hip-and-spine
#7
REVIEW
Yeo Ryang Kang, Joonbum Koo
Ultrasonography (US) is a useful screening method for the diagnosis of developmental dysplasia of the hip (DDH) and congenital spinal anomalies in infants. In addition, US is a useful, noninvasive imaging modality for the diagnosis of transient synovitis in children. The early detection of DDH leads to a better prognosis without surgical intervention. Moreover, spinal US allows the detection of congenital malformations and can also demonstrate normal anatomy and normal variants that may resemble disorders. Therefore, radiologists should be familiar with the sonographic anatomy of the normal infant hip, scanning and measurement techniques for DDH, the US features of transient synovitis in children, spinal US techniques, and the US features of normal anatomical structures, normal variants, and congenital spinal anomalies...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28322034/medical-auditing-of-whole-breast-screening-ultrasonography
#8
Min Jung Kim
Since breast ultrasonography (US) has been used as an adjunctive screening modality in women with dense breasts, the need has arisen to evaluate and monitor its possible harm and benefits in comparison with other screening modalities such as mammography. Recently, the fifth edition of the Breast Imaging Reporting and Data System published by the American College of Radiology has suggested auditing methods for screening breast US. However, the method proposed therein is slightly different from how diagnostic performance was calculated in previous studies on screening breast US...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28322033/prenatal-diagnosis-of-aberrant-right-subclavian-artery-in-an-unselected-population
#9
Mi Jin Song, Byoung Hee Han, Young-Hwa Kim, So Young Yoon, Yoo Mi Lee, Hye Su Jeon, Bo Kyung Park
PURPOSE: The purpose of this study was to determine the frequency of aberrant right subclavian artery (ARSA) among unselected fetuses and to evaluate its association with chromosomal abnormalities and other congenital anomalies. METHODS: In all, 7,547 fetuses (gestational age, 20 to 34 weeks) were examined using routine antenatal sonography at our institution between April 2014 and September 2015. The right subclavian artery was assessed using grayscale and color Doppler ultrasonography in the transverse 3-vessel and tracheal view, and confirmed in the coronal plane...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28292005/current-status-of-musculoskeletal-application-of-shear-wave-elastography
#10
REVIEW
JeongAh Ryu, Woo Kyoung Jeong
Ultrasonography (US) is a very powerful diagnostic modality for the musculoskeletal system due to the ability to perform real-time dynamic high-resolution examinations with the Doppler technique. In addition to acquiring morphologic data, we can now obtain biomechanical information by quantifying the elasticity of the musculoskeletal structures with US elastography. The earlier diagnosis of degeneration and the ability to perform follow-up evaluations of healing and the effects of treatment are possible. US elastography enables a transition from US-based inspection to US-based palpation in order to diagnose the characteristics of tissue...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28273696/comparison-of-the-severity-of-lower-extremity-arterial-disease-in-smokers-and-patients-with-diabetes-using-a-novel-duplex-doppler-scoring-system
#11
Rudresh Hiremath, Goutham Gowda, Jebin Ibrahim, Harish T Reddy, Haritha Chodiboina, Rushit Shah
PURPOSE: The aim of this study was to validate the diagnostic feasibility of a novel scoring system of peripheral arterial disease (PAD) in smokers and patients with diabetes depending on duplex Doppler sonographic features. METHODS: Patients presenting with the symptomatology of PAD were divided into three groups: diabetes only, smoking only, and smokers with diabetes. The patients were clinically examined, a clinical severity score was obtained, and the subjects were categorized into the three extrapolated categories of mild, moderate, and severe...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28269978/differential-diagnosis-between-intraductal-papillary-mucinous-neoplasm-with-an-associated-invasive-carcinoma-and-pancreatic-ductal-adenocarcinoma-on-ultrasonography-the-utility-of-echo-intensity-and-contrast-enhancement
#12
Masato Saito, Naoki Hirokawa, Yoko Usami, Masanori Someya, Koh-Ichi Sakata
PURPOSE: The aim of this study was to investigate the utility of echo intensity and contrast enhancement in the differential diagnosis between intraductal papillary mucinous neoplasm with an associated invasive carcinoma (IPMN-IC) and pancreatic ductal adenocarcinoma (PDAC) on ultrasonography. METHODS: This study included eight and 37 patients who had pathologically confirmed IPMN-IC and PDAC, respectively, and were enrolled for a comparative analysis of the sonographic features of the tumors...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28228009/emergency-ultrasonography-of-the-gastrointestinal-tract-of-children
#13
REVIEW
Jae-Yeon Hwang
Ultrasonography (US) is widely used to evaluate most body parts in pediatric patients because it is simple, noninvasive, easy to use, and applicable in a wide variety of clinical situations. US is the modality of choice for the initial evaluation of acute abdominal pain in pediatric patients because of their small body habitus and the presence of less fat tissue in the abdominal wall and peritoneal cavity. The most important factor in performing pediatric emergency US is the graded compression technique and selection of the proper transducer...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/27956733/metastatic-renal-cell-carcinoma-in-the-thyroid-gland-ultrasonographic-features-and-the-diagnostic-role-of-core-needle-biopsy
#14
Ok Kyu Song, Ja Seung Koo, Jin Young Kwak, Hee Jung Moon, Jung Hyun Yoon, Eun-Kyung Kim
PURPOSE: The aims of this study were to present the ultrasonographic (US) features of metastatic renal cell carcinoma (RCC) in the thyroid gland and to evaluate the diagnostic utility of fineneedle aspiration (FNA) and core needle biopsy (CNB). METHODS: Eight patients with nine metastatic RCC nodules in the thyroid glands who were treated from January 2002 to March 2015 in a single tertiary hospital were consecutively selected and retrospectively reviewed. US features and clinical history were obtained from the institution's medical database...
July 2017: Ultrasonography
https://www.readbyqxmd.com/read/28736428/penile-doppler-ultrasonography-revisited
#15
Dae Chul Jung, Sung Yoon Park, Joo Yong Lee
Penile Doppler ultrasonography is a high-performing, noninvasive or minimally-invasive imaging modality that allows the depiction of the normal anatomy and macroscopic pathologic changes in real time. Moreover, functional changes in penile blood flow, as seen in erectile dysfunction (ED), can be analyzed using color Doppler ultrasonography (CDUS). This review article describes the normal sonographic anatomy of the penis, the sonographic technique for evaluating ED, the normal phases of erection, and the various causes of ED...
June 10, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28736427/ultrasonographic-features-of-the-normal-filum-terminale
#16
Myoungae Kwon, Bo-Kyung Je, Doran Hong, Byung Min Choi
Purpose: The filum terminale (FT) is a fibrous band that connects the conus medullaris to the posterior body of the coccyx. Considering the advances of ultrasonography (US) technology and improvements in the resolution of US images, we aimed to re-establish the US features of the normal FT in infants younger than 6 months of age. Methods: We retrospectively reviewed 30 spinal US scans, stored as video clips. The internal structure of the FT and the marginal echogenicity of the FT were assessed, and transverse and longitudinal US were compared...
June 8, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28736429/ultrasound-guided-genitourinary-interventions-principles-and-techniques
#17
Byung Kwan Park
Ultrasound (US) is often used to guide various interventional procedures in the genitourinary Epub ahead of print (GU) tract because it can provide real-time imaging without any radiation hazard. Moreover, US can clearly visualize the pathway of an aspiration or biopsy needle to ensure the safety of the intervention. US guidance also helps clinicians to access lesions via the transabdominal, transhepatic, transvaginal, transrectal, and transperineal routes. Hence, US-guided procedures are useful for radiologists who wish to perform GU interventions...
May 29, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28780784/comparison-between-3-dimensional-cranial-ultrasonography-and-conventional-2-dimensional-cranial-ultrasonography-in-neonates-impact-on-reinterpretation
#18
Yu Jin Kim, Young Hun Choi, Hyun Hae Cho, So Mi Lee, Ji Eun Park, Jung-Eun Cheon, Woo Sun Kim, In-One Kim
Purpose: The aim of this study was to evaluate impact of 3-dimensional cranial ultrasonography (3DUS) on reinterpretation of cranial ultrasonography images in neonates in comparison with 2-dimensional cranial ultrasonography (2DUS). Methods: We retrospectively enrolled 50 consecutive young infants who simultaneously underwent both 2DUS and 3DUS scanning from February to March 2015. Two pediatric radiologists independently reviewed both scans for overall image quality on a 5-point scale...
May 28, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28658733/thyroid-disease-in-children-and-adolescents
#19
Hyun Sook Hong, Ji Ye Lee, Sun Hye Jeong
No abstract text is available yet for this article.
May 28, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28658734/ultrasonographic-features-differentiating-thyroglossal-duct-cysts-from-dermoid-cysts
#20
Hyoung In Choi, Young Hun Choi, Jung-Eun Cheon, Woo Sun Kim, In-One Kim
Purpose: The purpose of this study was to identify ultrasonographic features that can be used to differentiate between thyroglossal duct cysts (TGDCs) and dermoid cysts (DCs). Methods: We searched surgical pathology reports completed between January 2004 and October 2015 and identified 66 patients with TGDCs or DCs who had undergone preoperative ultrasonography. The ultrasound images were reviewed by two radiologists who were blinded to the pathological diagnosis...
May 24, 2017: Ultrasonography
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