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Louise M Henderson, Mary W Marsh, Thad Benefield, Elizabeth Pearsall, Danielle Durham, Bruce F Schroeder, J Michael Bowling, Cheryl A Viglione, Bonnie C Yankaskas
PURPOSE: Mammography technologists' level of training, years of experience, and feedback on technique may play an important role in the breast-cancer screening process. However, information on the mammography technologist workforce is scant. METHODS: In 2013, we conducted a survey mailed to 912 mammography technologists working in 224 facilities certified by the Mammography Quality Standards Act in North Carolina. Using standard survey methodology, we developed and implemented a questionnaire on the education and training, work experiences, and workplace interactions of mammography technologists...
December 2015: Journal of the American College of Radiology: JACR
E Sanzaro, F Iemolo
Transcranial sonography has become an important tool for the diagnosis of various movement disorders. In most patients with idiopathic Parkinson disease, a markedly hyperechogenic substantia nigra (SN) was detected on at least one side. We have highlighted the sonographic features that might help the differential diagnosis of PD and other movement disorders. Our investigation involved 30 patients (age 45-85 years) with idiopathic Parkinson disease, 2 multiple system atrophy, 3 progressive supranuclear palsy and 2 patients with restless legs syndrome...
March 2016: Neurological Sciences
Yang Seon Yi, Sang Soo Kim, Won Jin Kim, Min Jung Bae, Ji Hyun Kang, Bo Gwang Choi, Yun Kyung Jeon, Bo Hyun Kim, Byung Joo Lee, Soo Geun Wang, In Joo Kim, Yong Ki Kim
BACKGROUND/AIMS: The purpose of this study was to compare the diagnostic validity of two-dimensional (2D) and three-dimensional (3D) ultrasonography (US) when predicting the extrathyroidal extension of papillary thyroid cancer. METHODS: All 2D data were interpreted in real time and 3D data were stored, rendered using tomographic ultrasound imaging (TUI), and then reviewed retrospectively. RESULTS: Extrathyroidal extension was present in 17 papillary thyroid cancers(24...
March 2016: Korean Journal of Internal Medicine
Fahrettin Kilic, Mehmet Velidedeoglu, Tulin Ozturk, Sedat Giray Kandemirli, Atilla Suleyman Dikici, Mehmet Emin Er, Fatih Aydogan, Fatih Kantarci, Mehmet Halit Yilmaz
OBJECTIVES: Axillary lymph node status is one of the important prognostic factors in early-stage breast cancer. Despite the combined use of sonography, fine-needle aspiration, and sentinel lymph node (SLN) dissection, there is a gap between the potential effectiveness of those techniques and current success to determine the axillary lymph node status. The main aim of this study was to evaluate the baseline accuracy of shear wave elastography for differentiation of benign versus malignant SLNs in an ex vivo artifact-free environment...
February 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Seyed Mohammad Javad Mortazavi, Leili Darvish, Mohammad Abounajmi, Samira Zarei, Tahereh Zare, Mohammad Taheri, Samaneh Nematollahi
BACKGROUND: Many pathogenic bacteria show different levels of antibiotic resistance. Furthermore, a lot of hospital-acquired infections are caused by highly resistant or multidrug-resistant Gram-negative bacteria. According to WHO, patients with drug-resistant infections have higher morbidity and mortality. Moreover, patients infected with bacteria that are resistant to antibiotics considerably consume more healthcare resources. OBJECTIVES: In this study, we explored a physical method of converting drug-resistant bacteria to drug-sensitive ones...
November 2015: Iranian Red Crescent Medical Journal
Ping Wang, Tinghui Yin, Jingguo Li, Bowen Zheng, Xiaoli Wang, Yiru Wang, Jian Zheng, Rongqin Zheng, Xintao Shuai
RNA interfering is a gene therapeutic approach of great potential for cancer. However, tumor-targeted delivery of small interfering RNA (siRNA) solely based on the enhanced permeability and retention effect of nanocarriers is often insufficient. To address this challenge, siRNA encapsulated ultrasound-responsive microbubble (MB) was developed from polymeric siRNA micelles and liposomal MBs using hetero-assembling strategy. 1MHz low-frequency ultrasound exposure of the tumor site after intratumoral injection of XIAP siRNA/MBs led to enhanced permeability for much more siRNA delivery into deep tumor regions...
May 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
Yohan Noh, R James Housden, Alberto Gomez, Caroline Knight, Francesca Garcia, Hongbin Liu, Reza Razavi, Kawal Rhode, Kaspar Althoefer
This paper presents a handheld ultrasound probe which is integrated with sensors to measure force and pose (position/orientation) information. Using an integrated probe like this, one can relate ultrasound images to spatial location and create 3D ultrasound maps. The handheld device can be used by sonographers and also easily be integrated with robot arms for automated sonography. The handheld device is ergonomically designed; rapid attachment and removal of the ultrasound transducer itself is possible using easy-to-operate clip mechanisms...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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