نتایج جستجو برای: image guided biopsy

تعداد نتایج: 546508  

2011
Stephanie K Patterson

Diagnosis of breast cancer at its earliest stage affords women the best prognosis. The role of the breast imager has evolved from cancer screening and detection to now include diagnosis and management with the widespread adoption of image-guided core biopsy. This article will briefly discuss the current imageguided biopsy techniques for the diagnosis of suspicious breast findings, specifically,...

2002
Nobuhiko Hata Masahiro Jinzaki Daniel Kacher David Gering Arya Nabavi Stuart G. Silverman Anthony V. D’Amico Ron Kikinis Ferenc A. Jolesz

Magnetic Resonance (MR) Image-guided prostate biopsy in a 0.5-T open scanner is described, validated in phantom studies, and employed in two patients. The needles are guided by fast gradient recall and T2-weighted fast spin echo images. Surgical navigation software provided T2-weighted images that were critical in targeting the peripheral zone and the tumor. MR imaging can be used to guide pros...

Journal: :Ultrasound quarterly 2005
Sharon R Winters Erik K Paulson

Ultrasound guided intervention has become the preferred method to diagnose primary neoplasms and suspected metastatic disease. With developments in technology and changes in practice patterns, the types of referrals for ultrasound guided intervention will evolve. The purpose of this review is to highlight a variety of new or relatively new aspects of image guided biopsy and to focus on areas of...

2009
V. Anik Sahni Stuart G. Silverman

Percutaneous image-guided biopsy of renal masses is a safe and accurate procedure. Although once reserved for the diagnosis of unresectable renal cell carcinoma, metastases, lymphoma, and infection, today percutaneous image-guided biopsy has an expanded role. There is increasing awareness that a substantial proportion of small, solid renal masses are benign neoplasms. Although imaging can be us...

Journal: :European urology 2017
Marco Borghesi Hashim Ahmed Robert Nam Edward Schaeffer Riccardo Schiavina Samir Taneja Wolfgang Weidner Stacy Loeb

CONTEXT Prostate biopsy (PB) represents the gold standard method to confirm the presence of cancer. In addition to traditional random or systematic approaches, a magnetic resonance imaging (MRI)-guided technique has been introduced recently. OBJECTIVE To perform a systematic review of complications after transrectal ultrasound (TRUS)-guided, transperineal, and MRI-guided PB. EVIDENCE ACQUIS...

Journal: :iranian journal of radiation research 0
m. zehtabian medical radiation department and medical imaging research center, school of engineering, shiraz university, shiraz, iran r. faghihi medical radiation department and medical imaging research center, school of engineering, shiraz university, shiraz, iran m.a. mosleh-shirazi center for research in medical physics and biomedical engineering and physics unit, radiotherapy department, namazi hospital, shiraz university of medical sciences, shiraz, iran a.r. shakibafard radiology department, shiraz university of medical sciences, shiraz, iran m. mohammadi medical physics department, royal adelaide hospital, adelaide, australia m. baradaran-ghahfarokhi medical physics and medical engineering department, school of medicine, isfahan university of medical sciences, isfahan, iran

background: the aim of this work was to study the feasibility of constructing a fast thorax model suitable for simulating lung motion due to respiration using only one ct dataset. materials and methods: for each of six patients with different thorax sizes, two sets of ct images were obtained in single-breath-hold inhale and exhale stages in the supine position. the ct images were then analyzed ...

Journal: :iranian journal of pathology 2013
nasser ghaemian sepideh siadati novin nikbakhsh mohaddeseh mirzapour hanieh askari

background and objectives:breast cancer is the most common cancer among women worldwide. fine needle aspiration biopsy (fnab) is one of the methods of breast biopsy which is fast, easy and cost effective. the aim of this study was to evaluate the concordance rate between pathologic results of sonography or stereotaxy guided fnab and guided core needle biopsy (cnb) in the evaluation of breast le...

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