Results 51 to 60 of about 189,926 (141)
Ultrasonic Actuation of a Fine-Needle Improves Biopsy Yield [PDF]
arXiv, 2020 Despite the ubiquitous use over the past 150 years, the functions of the current medical needle are facilitated only by mechanical shear and cutting by the needle tip,i.e.the lancet. In this study, we demonstrate how nonlinear ultrasonics (NLU) extends the functionality of the medical needle far beyond its present capability. The NLU actions were found
arxiv
Self-Supervised Learning with Limited Labeled Data for Prostate Cancer Detection in High Frequency Ultrasound [PDF]
arXiv, 2022 Deep learning-based analysis of high-frequency, high-resolution micro-ultrasound data shows great promise for prostate cancer detection. Previous approaches to analysis of ultrasound data largely follow a supervised learning paradigm. Ground truth labels for ultrasound images used for training deep networks often include coarse annotations generated ...
arxiv
SlicerPET: A workflow based software module for PET/CT guided needle biopsy [PDF]
, 2015 Biopsy is commonly used to confirm cancer diagnosis when radiologically indicated. Given the ability of PET to localize malignancies in heterogeneous tumors and tumors that do not have a CT correlate, PET/CT guided biopsy may improve the diagnostic yield of biopsies.
arxiv +1 more source
Zhongliu Fangzhi Yanjiu, 2020 Objective To compare the diagnostic accuracy, sensitivity, specificity and complications between ultrasound-guided fine needle aspiration cytology and core needle biopsy histology in thyroid nodules.
LI Xia, XIAO Yingcong
doaj +1 more source
Statistical multiscale mapping of IDH1, MGMT, and microvascular proliferation in human brain tumors from multiparametric MR and spatially-registered core biopsy [PDF]
arXiv, 2019 We propose a statistical multiscale mapping approach to identify microscopic and molecular heterogeneity across a tumor microenvironment using multiparametric MR (mp-MR). Twenty-nine patients underwent pre-surgical mp-MR followed by MR-guided stereotactic core biopsy.
arxiv
Archives of Medical Science, 2019 Introduction The present study aims to clarify the advantages and disadvantages of elite biopsy, to provide a reference for selecting the puncture method.
Shi-Fang Zou +10 more
doaj +1 more source
Usefulness of core biopsy in diagnosis of pancreatic tumours. [PDF]
Pol J Radiol, 2023 Gwoździewicz K +4 more
europepmc +1 more source
Deep learning analysis of breast MRIs for prediction of occult invasive disease in ductal carcinoma in situ [PDF]
arXiv, 2017 Purpose: To determine whether deep learning-based algorithms applied to breast MR images can aid in the prediction of occult invasive disease following the di- agnosis of ductal carcinoma in situ (DCIS) by core needle biopsy. Material and Methods: In this institutional review board-approved study, we analyzed dynamic contrast-enhanced fat-saturated T1 ...
arxiv
CONCORDANCIA IMAGINOLOGICA-PATOLOGICA EN BIOPSIA CORE DE MAMA
Revista Chilena de RadiologíaEl propósito de nuestro estudio fue determinar la frecuencia, concordancias y discordancias de las lesiones mamarias. Se realizaron 188 biopsias core con aguja de 14G.
Elisa Droguett I +2 more
doaj +1 more source
Asian Journal of Surgery, 2005 Stereotactic breast biopsy of non-palpable lesions using the vacuum-assisted core needle biopsy (CNB) device and the large core excision biopsy system is a reliable biopsy method when compared with open biopsy.
Ting-Ting Wong +3 more
doaj +1 more source