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N Tamura, T Kuroda, Y Kotoyori, K Fukuda, T Nukada, T Kato, A Kuwano, Y Kasashima
Sonoelastography can assess the inner stiffness of tissues. Sonoelastographic evaluation of injured equine superficial digital flexor tendons (SDFTs) is considered to be useful for assessing the stiffness of a lesion even during late-stage rehabilitation. The purpose of this study was to investigate and compare the sonoelastographic appearance of injured SDFTs over time from the onset of the injury. Eighteen horses were classified into three groups according to the length of time from injury onset: group A, within two weeks after injury; group B, approximately five months after injury; and group C, approximately nine months after injury...
November 23, 2016: Veterinary Record
Shuai Yuan, Meaghan Magarik, Amy M Lex, Arthur C Fleischer
This review provides an overview of the current and potential clinical applications of sonoelastography, and describes the central principles that provide clinical applications. Areas covered: The clinical use of sonoelastography that is reviewed includes liver fibrosis, breast mass evaluation, thyroid nodule evaluation, detection and quantification of head/neck lymphedema. Other topics discussed include application for tendens, prostate, and salivary gland. A systematic literature search was done using PubMed database and the results were grouped according to the clinical applications...
November 22, 2016: Expert Review of Medical Devices
A Weichert, D von Schöning, T Fischer, A Thomas
No abstract text is available yet for this article.
September 2016: Ultrasound International Open
Evren Yaşar, Emre Adigüzel, Serdar Kesikburun, Itır Yenihayat, Bilge Yılmaz, Rıdvan Alaca, Arif Kenan Tan
OBJECTIVES: Here we aimed to investigate the feasibility of sonoelastography to show muscle stiffness in post-stroke spasticity, and the relationship between sonoelastography findings and clinical spasticity scores in the spastic forearm muscles. METHODS: This study was carried out in a university rehabilitation center. 26 stroke patients with forearm muscle spasticity (≥ 1+ using the Modified Ashworth Scale score and ≥1 using the Tardieu scale) were included...
September 28, 2016: British Journal of Radiology
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
Ramona Menezes, Sanjay Sardessai, Renny Furtado, Mahesh Sardessai
INTRODUCTION: Elastography is a new promising technique that can be especially helpful when used as an adjunct to conventional B-mode ultrasound in evaluating breast lesions. AIM: To evaluate the diagnostic performance of four interpretation criteria for elastography and to compare the diagnostic performance of sonoelastography with that of conventional sonography in characterising breast lesions as benign or malignant with FNAC/biopsy correlation. MATERIALS AND METHODS: One hundred breast lesions were prospectively evaluated by ultrasound as well as by strain elastography followed by FNAC/ biopsy correlation...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
Ayse Nur Sirin Ozcan, Sinan Tan, Nuray Gulden Tangal, Saliha Cıracı, Savas Kudas, Suleyman Bulent Bektaser, Halil Arslan
AIMS: The comparison of elastographic features of quadriceps and patellar tendons in a group of professional athletes and healthy volunteers and the description of elasticity characteristics of these tendons. MATERIAL AND METHODS: Thirty-nine professional athletes (22 male, 17 female; mean age 18.5 years) and 35 healthy volunteers (21 male, 14 female; mean age 19 years) were included. They were divided into two groups by gender. Quadriceps tendon, patellar side of the patellar tendon, and tibial side of the patellar tendon elasticity patterns and strain ratios were investigated with real-time ultrasound elastography...
September 2016: Medical Ultrasonography
Rifat Aridici, Alparslan Yetisgin, Ahmet Boyaci, Ahmet Tutoglu, Erol Bozdogan, Dilek Sen Dokumaci, Nihat Kilicaslan, Nurefsan Boyaci
OBJECTIVE: The aim of this study was to compare the therapeutic efficacy of high-power pain threshold (HPPT) ultrasound therapy applied to the trigger points and dry needling (DN) in myofascial pain syndrome. DESIGN: Sixty-one patients were randomly assigned to an HPPT (n = 30) and dry needling (n = 31) groups. The primary outcome measures were the Visual Analog Scale (VAS) and Neck Pain and Disability Scale (NPDS), both at 1 week and 4 weeks after treatment. The secondary outcome measures were the number of painful trigger points, range of the tragus-acromioclavicular joint, the Short Form-36, the Beck Depression Inventory, the Beck Anxiety Inventory, and sonoelastographic tests after a 1-week treatment...
October 2016: American Journal of Physical Medicine & Rehabilitation
Francesco Saverio Camoglio, Costanza Bruno, Marta Peretti, Federica Bianchi, Alessandra Bucci, Gabriella Scirè, Simone Patanè, Nicola Zampieri
OBJECTIVE: To evaluate the role of elastosonography in the evaluation of testicular elasticity as predictive sign of testicular damage in patients with varicocele. MATERIALS AND METHODS: Between December 2010 and December 2014 we evaluated patients with varicocele also by sonoelastography of the testes. We created three groups: Group A patients with untreated varicocele, group B patients treated with the same technique and group C healthy age machted patients without varicocele...
August 9, 2016: Urology
Hua Xin, Hai-Yang Hu, Bin Liu, Xiang Liu, Xia Li, Jie Li
PURPOSE: The aim of this study was to compare the elasticity of the median nerve (MN) between hemodialysis (HD) patients without carpal tunnel syndrome (CTS) and with CTS, and to evaluate the diagnostic usefulness of the elasticity of the MN in HD-CTS. MATERIALS AND METHODS: The MN in 22 HD patients without CTS and 49 HD-CTS patients was studied. The cross-sectional area (CSA) and the elasticity of the MN, which was measured as the subcutaneous fat/median nerve (SF/MN) strain ratio, were evaluated...
August 3, 2016: Journal of Medical Ultrasonics
Katarzyna Paczkowska, Paweł Rzymski, Mikołaj Kubasik, Tomasz Opala
INTRODUCTION: There are many indications for breast augmentation, including reconstruction after mastectomy, correction of congenital disorders and cosmetic procedures. The most frequent local complication of this surgery is capsule formation due to fibrosis. The aim of the study was to assess the usefulness of sonoelastography in the evaluation of capsule formation around silicone implants. MATERIAL AND METHODS: The study group included 13 patients aged 20 to 41, who underwent breast augmentation with silicone implants...
August 1, 2016: Archives of Medical Science: AMS
Gabriela Torres, Gustavo R Chau, Kevin J Parker, Benjamin Castaneda, Roberto J Lavarello
Sonoelastography is an ultrasonic technique that uses Kasai's autocorrelation algorithms to generate qualitative images of tissue elasticity using external mechanical vibrations. In the absence of synchronization between the mechanical vibration device and the ultrasound system, the random initial phase and finite ensemble length of the data packets result in temporal artifacts in the sonoelastography frames and, consequently, in degraded image quality. In this work, the analytic derivation of an optimal selection of acquisition parameters (i...
July 2016: Journal of the Acoustical Society of America
Mike Bradley
The aim of this study was to evaluate whether compression elastography has a useful role in the planning of percutaneous ultrasound-guided biopsies of soft tissue tumours. Consecutive patients were evaluated in the sarcoma clinic after their initial imaging work-up, involving ultrasound and MR. The multi-disciplinary team decided when percutaneous biopsy for histology was required, and this was performed in the multi-disciplinary clinic using ultrasound guidance. An experienced sarcoma radiologist performed the ultrasound with compression elastography in all cases...
November 2015: Ultrasound: Journal of the British Medical Ultrasound Society
Yoonah Song, Seunghun Lee, Dae Hyun Yoo, Ki-Seok Jang, Jiyoon Bae
OBJECTIVE: To evaluate strain sonoelastography (SSE) in patients with inflammatory myopathies (IM) compared with clinical examination, MRI and pathologic findings. METHODS: 18 lesions from 17 consecutive patients with IM (5 males and 12 females; mean age, 41.2 years; range, 11-67 years) were assessed with SSE after MRI. The ratio of strain in the target muscle (A) and a nearby normal muscle (B), defined as the strain index value (SR) (B/A), was calculated automatically...
September 2016: British Journal of Radiology
Duygu Herek, Aysun Karabulut, Kadir Agladioglu
OBJECTIVE: We aim to evaluate and describe the tissue elasticity characteristics of various ovarian lesions with sonoelastography. METHODS: 35 patients (age range 16-85 years; mean age 40.8 years) underwent sonoelastography and later MRI. Histopathological confirmation of all lesions was carried out, except eight of endometriomas and six of septated cysts which were confirmed on MRI and follow-up ultrasonography. Strain ratios and elastogram patterns were recorded...
September 2016: British Journal of Radiology
Qi Zhang, Yehua Cai, Yinghui Hua, Jun Shi, Yuanyuan Wang, Yi Wang
PURPOSE: To seek differences of Achilles tendon hardness between insertional tendinopathy (IT) and asymptomatic controls by using computer-assisted quantification on axial-strain sonoelastography (ASE). METHODS: The study consisted of 37 non-athletic patients presenting with Achilles tendon pain in one or two tendons. Both tendons were examined clinically. Among the 74 tendons, 16 were diagnosed and categorized into an IT group and 29 into an asymptomatic group...
June 24, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Fukashi Ishibashi, Miki Taniguchi, Rie Kojima, Asami Kawasaki, Aiko Kosaka, Harumi Uetake
AIMS/INTRODUCTION: To measure the elasticity of the tibial nerve using sonoelastography, and to associate it with diabetic neuropathy severity, the cross-sectional area of the tibial nerve and neurophysiological findings in type 2 diabetic patients. MATERIALS AND METHODS: The elasticity of the tibial nerve was measured as the tibial nerve:acoustic coupler strain ratio using high-resolution ultrasonography in 198 type 2 diabetic patients stratified into subgroups by neuropathy severity, and 29 control participants whose age and sex did not differ from the diabetic subgroups...
May 2016: Journal of Diabetes Investigation
Tsung-Hsun Yang, Yu-Chi Huang, Yiu-Chung Lau, Lin-Yi Wang
OBJECTIVE: To investigate the effects of radial extracorporeal shock wave therapy (rESWT) and to determine the posttreatment common extensor tendon stiffness among patients with lateral epicondylosis. DESIGN: Thirty patients with lateral epicondylosis were randomly divided into experimental and control groups. Participants in the experimental group received rESWT plus physical therapy, and those in the control group received sham shock wave plus physical therapy for 3 weeks...
June 17, 2016: American Journal of Physical Medicine & Rehabilitation
Juvenal Ormachea, Roberto J Lavarello, Stephen A McAleavey, Kevin J Parker, Benjamin Castaneda
Elastography provides tissue stiness information that attempts to characterize the elastic properties of tissue. However, there is still limited literature comparing elastographic modalities for tissue characterization. This paper focuses on two quantitative techniques using dierent vibration sources that have not been compared to date: crawling wave sonoelastography (CWS) and single tracking location shear wave elasticity imaging (STL-SWEI). To understand each technique's performance, shear wave speed (SWS) was measured in homogeneous phantoms and ex vivo beef liver tissue...
June 6, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Shyam Manoharlal Talreja, Vinay Tomar, Sher Singh Yadav, Usha Jaipal, Shivam Priyadarshi, Neeraj Agarwal, Nachiket Vyas
OBJECTIVE: Retrograde urethrography (RUG) is the most common and preferred imaging modality for imaging of the anterior urethral strictures despite its well-known limitations and disadvantages. Sonourethrography (SUG) was introduced in 1988 to overcome the limitations of RUG and to provide more accurate results. As proper selection of imaging modality is very important for planning the treatment, various advances in this area are required. One of the major factors for recurrence of stricture disease is spongiofibrosis...
June 2016: Turkish Journal of Urology
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