نتایج جستجو برای: guided localization

تعداد نتایج: 232478  

Journal: :Shanghai chest 2022

Background: Accurate intraoperative localization of the nodules was key point sub-lobectomy resection. Percutaneous computed tomography (CT)-guided hook-wire most widely used method to locate pulmonary nodules, however, it associated with high rates pneumothorax and parenchymal hemorrhage. In recent years, surgeons were continuously seeking innovative approaches cover limitations CT-guided hook...

Journal: :CoRR 2017
Mingfei Gao Ang Li Ruichi Yu Vlad I. Morariu Larry S. Davis

We introduce a count-guided weakly supervised localization (C-WSL) framework with per-class object count as an additional form of image-level supervision to improve weakly supervised localization (WSL). C-WSL uses a simple count-based region selection algorithm to select highquality regions, each of which covers a single object instance at training time, and improves WSL by training with the se...

2010
Chris Beltran Atmaram S. Pai Panandiker Matthew J. Krasin Thomas E. Merchant

The purpose was to quantify the setup margin for pediatric patients with neuro-blastoma using cone beam CT imaging (CBCT) and ultrasound localization. Ten patients, with a median age of 4.3 years (1.8 to 7.9) underwent daily pretreatment localization CBCT and every other day post-treatment CBCT to calculate interfractional and intrafraction movement. Localization was based on CBCT to treatment ...

Journal: :The British journal of surgery 2015
M Ahmed M Douek

The importance of localizationguided surgery in breast cancer cannot be underestimated. In countries with screening programmes, one-third of all breast cancers diagnosed are clinically occult1. The extension of breast screening age and increased utilization of advanced imaging modalities such as MRI mean that localization-guided surgery will become increasingly necessary. The standard technique...

2013
Victoria C Tuen Shannon N Zingula Christopher Moir Ann M Reed Jane M Matsumoto David A Woodrum

A novel technique for preoperative MRI guided wire localization for targeted surgical excisional biopsy of muscle is described in a pediatric patient with juvenile dermatomyositis (JDM). This technique allows for preoperative localization of abnormalities seen only with MRI. Using this technique, the patient underwent successful targeted muscle biopsy for confirmation of the diagnosis and stagi...

2013
Fernanda Philadelpho Arantes Pereira Gabriela Martins Maria Gregorio Calas Maria Fonseca Torres de Oliveira Emerson Gasparetto Lea Barbosa da Fonseca

BACKGROUND Magnetic resonance imaging (MRI) guided wire localization presents several challenges apart from the technical difficulties. An alternative to this conventional localization method using a wire is the radio-guided occult lesion localization (ROLL), more related to safe surgical margins and reductions in excision volume. The purpose of this study was to establish a safe and reliable m...

Journal: :Gland surgery 2023

Background: There is little literature comparing intraoperative ultrasound (IOUS) with radio-guided occult lesions localization (ROLL) in nonpalpable invasive tumors breast conserving surgery (BCS). a need to compare these two methods terms of safety and efficacy.

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1394

جایگزینی دندان های از دست رفته به وسیله ایمپلنت دندانی به فراوانی انجام میشود. برای اینکه ایمپلنت به طور بهینه جایگزین شود باید در استخوان ایده ال جایگذاری شود که البته این نقایص قابل ترمیم هستند، یکی از این روشها guided bone regeneration است.

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