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Ultrasonography

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https://www.readbyqxmd.com/read/28513128/clinical-features-of-recently-diagnosed-papillary-thyroid-carcinoma-in-elderly-patients-aged-65-and-older-based-on-10-years-of-sonographic-experience-at-a-single-institution-in-korea
#1
Eun Sil Kim, Younghen Lee, Hyungsuk Seo, Gil Soo Son, Soon Young Kwon, Young-Sik Kim, Ji-A Seo, Nan Hee Kim, Sang-Il Suh, Inseon Ryoo, Sung-Hye You
Purpose: The aim of this study was to assess the characteristics of papillary thyroid carcinoma (PTC) in patients aged 65 and older in order to predict postoperative recurrence based on the results of ultrasonographic surveillance. Methods: Among 1,494 patients (200 male and 1,294 female; mean age, 46.6±11.3 years) who underwent surgery for thyroid cancer at our institution between 2006 and 2015, we retrospectively enrolled 150 PTC patients (29 male and 121 female; mean age, 69...
April 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28494523/korean-thyroid-imaging-reporting-and-data-system-features-of-follicular-thyroid-adenoma-and-carcinoma-a-single-center-study
#2
Jung Won Park, Dong Wook Kim, Donghyun Kim, Jin Wook Baek, Yoo Jin Lee, Hye Jin Baek
Purpose: This study aimed to assess the diagnostic efficacy of Korean Thyroid Imaging Reporting and Data System (K-TIRADS) features for distinguishing follicular thyroid adenoma (FTA) from follicular thyroid carcinoma (FTC). Methods: From January 2013 to July 2016, 46 follicular neoplasms in 45 patients who underwent preoperative thyroid ultrasonography (US) and thyroid surgery were included. The US features of each thyroid nodule were retrospectively evaluated by a single radiologist using a picture archiving and communication system...
April 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28494526/ultrasonographic-evaluation-of-women-with-pathologic-nipple-discharge
#3
Jung Hyun Yoon, Haesung Yoon, Eun-Kyung Kim, Hee Jung Moon, Youngjean Vivian Park, Min Jung Kim
Nipple discharge is a common symptom that is alarming for the patient since it can be a presenting symptom of breast cancer. Breast imaging is used to examine women with pathologic nipple discharge in order to detect any lesions that may be present and to assist in the differential diagnosis. The modalities of breast imaging include mammography, breast ultrasonography (US), and magnetic resonance imaging. Breast US is currently considered to be useful for the visualization of ductal structures and intraductal lesions that cause nipple discharge...
April 9, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28535605/ultrasonography-of-the-ankle-joint
#4
Jung Won Park, Sun Joo Lee, Hye Jung Choo, Sung Kwan Kim, Heui-Chul Gwak, Sung-Moon Lee
Ankle disorders are a relatively common pathological condition, and ankle injuries account for Epub ahead of print approximately 14% of sports-related orthopedic emergency visits. Various imaging modalities can be used to make a diagnosis in cases of ankle pain; however, ultrasound (US) has several benefits for the evaluation of ankle pain, especially in the tendons, ligaments, and nerves of the ankle. The purpose of this article is to review the common causes of ankle pathology, with particular reference to US features...
April 5, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28513127/shear-wave-elastography-in-breast-ultrasonography-the-state-of-the-art
#5
Ji Hyun Youk, Hye Mi Gweon, Eun Ju Son
Shear-wave elastography (SWE) is a recently developed ultrasound technique that can visualize and measure tissue elasticity. In breast ultrasonography, SWE has been shown to be useful for differentiating benign breast lesions from malignant breast lesions, and it has been suggested that SWE enhances the diagnostic performance of ultrasonography, potentially improving the specificity of conventional ultrasonography using the Breast Imaging Reporting and Data System criteria. More recently, not only has SWE been proven useful for the diagnosis of breast cancer, but has also been shown to provide valuable information that can be used as a preoperative predictor of the prognosis or response to chemotherapy...
April 5, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28494524/ultrasonographic-findings-of-posterior-interosseous-nerve-syndrome
#6
Youdong Kim, Doo Hoe Ha, Sang Min Lee
Purpose: The purpose of this study was to evaluate the ultrasonographic findings associated with posterior interosseous nerve (PIN) syndrome. Methods: Approval from the Institutional Review Board was obtained. A retrospective review of 908 sonograms of the upper extremity from January 2001 to October 2010 revealed 10 sonograms suspicious for a PIN abnormality (7 male and 3 female patients; mean age of 51.8±13.1 years; age range, 32 to 79 years). The ultrasonographic findings of PIN syndrome, including changes in the PIN and adjacent secondary changes, were evaluated...
April 5, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28494525/ultrasonography-of-pediatric-urogenital-emergencies-review-of-classic-and-new-techniques
#7
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...
March 30, 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
#8
https://www.readbyqxmd.com/read/28301922/current-status-of-core-needle-biopsy-of-the-thyroid
#9
Jung Hwan Baek
No abstract text is available yet for this article.
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28260355/ultrasonography-of-the-lower-extremity-veins-anatomy-and-basic-approach
#10
REVIEW
Dong-Kyu Lee, Kyung-Sik Ahn, Chang Ho Kang, Sung Bum Cho
Ultrasonography is an imaging modality widely used to evaluate venous diseases of the lower extremities. It is important to understand the normal venous anatomy of the lower extremities, which has deep, superficial, and perforating venous components, in order to determine the pathophysiology of venous disease. This review provides a basic description of the anatomy of the lower extremity veins and useful techniques for approaching each vein via ultrasonography.
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28222584/ultrasonographic-imaging-of-papillary-thyroid-carcinoma-variants
#11
REVIEW
Jung Hee Shin
Ultrasonography (US) is routinely used to evaluate thyroid nodules. The US features of papillary thyroid carcinoma (PTC), the most common thyroid malignancy, include hypoechogenicity, spiculated/microlobulated margins, microcalcifications, and a nonparallel orientation. However, many PTC variants have been identified, some of which differ from the classic type of PTC in terms of biological behavior and clinical outcomes. This review describes the US features and clinical implications of the variants of PTC...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28219004/doppler-ultrasonography-of-the-lower-extremity-arteries-anatomy-and-scanning-guidelines
#12
Ji Young Hwang
Doppler ultrasonography of the lower extremity arteries is a valuable technique, although it is less frequently indicated for peripheral arterial disease than for deep vein thrombosis or varicose veins. Ultrasonography can diagnose stenosis through the direct visualization of plaques and through the analysis of the Doppler waveforms in stenotic and poststenotic arteries. To perform Doppler ultrasonography of the lower extremity arteries, the operator should be familiar with the arterial anatomy of the lower extremities, basic scanning techniques, and the parameters used in color and pulsed-wave Doppler ultrasonography...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28145109/current-status-of-high-intensity-focused-ultrasound-for-the-management-of-uterine-adenomyosis
#13
REVIEW
Vincent Y T Cheung
While high-intensity focused ultrasound has been used for some time in the management of uterine fibroids, its effectiveness and safety in managing adenomyosis is less well established. A literature review was performed of all eligible reports using this modality as a treatment for adenomyosis. Relevant publications were obtained from the PubMed electronic database from inception through March 2016. Eleven articles, including information from 1,150 treatments and follow-up data from 990 patients, were reviewed...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28145108/detection-of-liver-metastases-in-cancer-patients-with-geographic-fatty-infiltration-of-the-liver-the-added-value-of-contrast-enhanced-sonography
#14
Tommaso Vincenzo Bartolotta, Adele Taibbi, Dario Picone, Andrea Anastasi, Massimo Midiri, Roberto Lagalla
PURPOSE: The aim of this study is to assess the role of contrast-enhanced ultrasonography (CEUS) in the detection of liver metastases in cancer patients with geographic liver fatty deposition on greyscale ultrasonography (US). METHODS: Thirty-seven consecutive cancer patients (24 women and 13 men; age, 33 to 80 years; mean, 58.1 years) with geographic liver fatty deposition, but without any detectable focal liver lesion on greyscale US, underwent sulphur hexafluoride-enhanced US...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/27956732/current-role-of-transient-elastography-in-the-management-of-chronic-hepatitis-b-patients
#15
REVIEW
Jung Hwan Yu, Jung Il Lee
Liver fibrosis is an important prognostic factor for chronic hepatitis B (CHB), and accurate evaluation of the stage of liver fibrosis is crucial in establishing management strategies. While liver biopsy is still considered the gold standard for staging liver fibrosis or cirrhosis, transient elastography (TE), a noninvasive means of assessing liver fibrosis, has come to play an increasing role in this process. After extensive validation, TE is now regarded as a reliable surrogate maker for grading the severity of liver fibrosis in CHB patients...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/27776401/assessing-the-blood-pressure-waveform-of-the-carotid-artery-using-an-ultrasound-image-processing-method
#16
Effat Soleimani, Manijhe Mokhtari-Dizaji, Nasser Fatouraee, Hazhir Saberi
PURPOSE: The aim of this study was to introduce and implement a noninvasive method to derive the carotid artery pressure waveform directly by processing diagnostic sonograms of the carotid artery. METHODS: Ultrasound image sequences of 20 healthy male subjects (age, 36±9 years) were recorded during three cardiac cycles. The internal diameter and blood velocity waveforms were extracted from consecutive sonograms over the cardiac cycles by using custom analysis programs written in MATLAB...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/27764911/ultrasonographic-measurement-of-the-axillary-recess-thickness-in-an-asymptomatic-shoulder
#17
Gi-Young Park, Jin Hoon Lee, Dae Gil Kwon
PURPOSE: The purpose of this study was to measure the axillary recess (AR) thickness in an asymptomatic shoulder by using ultrasonography (US) and to analyze the factors affecting it. METHODS: We recruited 141 patients (52 males; 89 females; age, 57.7±9.9 years) with unilateral shoulder pain and performed US on the unaffected shoulder. Two physiatrists measured the AR thickness of the unaffected shoulder independently. All patients were examined in an upright sitting position with 90° shoulder abduction...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/27764910/magnetic-resonance-imaging-and-pathological-characteristics-of-pure-mucinous-carcinoma-in-the-breast-according-to-echogenicity-on-ultrasonography
#18
Young Gyung Shin, Eun-Kyung Kim, Min Jung Kim, Jung Hyun Yoon, Hee Jung Moon
PURPOSE: The aim of this study was to explore the clinical and pathological characteristics of pure mucinous breast carcinoma (PMBC) according to internal echogenicity on ultrasonography (US). METHODS: Thirty-three patients with PMBC diagnosed at surgery were included in this study. Cases of PMBC were classified according to internal echogenicity on US. The imaging features on magnetic resonance (MR) imaging and clinicohistopathological characteristics were compared between the hypoechogenic and the isoechogenic to hyperechogenic groups...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/27764908/which-supplementary-imaging-modality-should-be-used-for-breast-ultrasonography-comparison-of-the-diagnostic-performance-of-elastography-and-computer-aided-diagnosis
#19
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...
April 2017: Ultrasonography
https://www.readbyqxmd.com/read/28372341/ultrasonography-of-the-pediatric-hip-and-spine
#20
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...
February 22, 2017: Ultrasonography
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