نتایج جستجو برای: radiological procedures

تعداد نتایج: 286549  

Journal: :iranian journal of radiation research 0
n.n. jibiri radiation and health physics research laboratory, department of physics, university of ibadan, ibadan, nigeria a.a. adewale radiation and health physics research laboratory, department of physics, university of ibadan, ibadan, nigeria

background: one of the means of assessing dose to patients from computed tomography (ct) procedure is through the determination of the skin entrance dose (esd) with the appreciation of the concern that ocular exposure effects from ct scan includes possible induction of cancer and cataract. due to the relatively more recent introduction of ct scans, little work has been done in this area in the ...

2017
Rebecca Ward William D Carroll Paula Cunningham Sheng-Ang Ho Mary Jones Warren Lenney David Thompson Francis J Gilchrist

OBJECTIVES Cumulative radiation exposure is associated with increased risk of malignancy. This is important in cystic fibrosis (CF) as frequent imaging is required to monitor disease progression and diagnose complications. Previous estimates of cumulative radiation are outdated as the imaging was performed on older equipment likely to deliver higher radiation. Our objectives were to determine t...

2015
Carlos B. Dabdoub Gueider Salas Elisabeth do N. Silveira Carlos F. Dabdoub

BACKGROUND Pneumocephalus (PNC) is the presence of air in the intracranial cavity. The most frequent cause is trauma, but there are many other etiological factors, such as surgical procedures. PNC with compression of frontal lobes and the widening of the interhemispheric space between the tips of the frontal lobes is a characteristic radiological finding of the "Mount Fuji sign." In addition to...

Journal: :The Journal of bone and joint surgery. British volume 2006
J F Quinlan K O'Shea F Doyle O H Brady

The in-cement technique for revision hip arthroplasty involves retaining the original cement-bone interface. This has been proven to be a biomechanically stronger method than recementing after complete removal of the original cement mantle. This study reviewed a series of 54 consecutive revision hip arthroplasty procedures, using the in-cement technique, between November 1999 and November 2003....

2016
Peter Rusch Oliver Hoffmann Anna-L Stickelmann Stephan Böhmer Regine Gätje Karl G Krüger Stefan Niesert Andrea Schmidt Rainer Kimmig

PURPOSE To determine frequency of routine radiological staging of breast cancer patients diagnosed in a German Breast Cancer Screening Center from 2007 to 2014, the incidence and consequences of distant metastases detected and the resulting implications for clinical routine. METHODS Records of 896 patients with primary breast cancer diagnosed in the Screening Centre and treated in five partic...

Journal: :Annals of the ICRP 2015
M del Rosario Pérez

Advanced imaging technology has opened new horizons for medical diagnostics and improved patient care. However, many procedures are unjustified and do not provide a net benefit. An area of particular concern is the unnecessary use of radiation when clinical evaluation or other imaging modalities could provide an accurate diagnosis. Referral criteria for medical imaging are consensus statements ...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2008
Joan Fort

Acute renal failure is an emergency. Its incidence in hospitalized patients varies between 2 and 5% [1]. Rapid diagnosis followed by immediate therapy can frequently restore and preserve renal function, as acute renal failure is frequently a reversible condition. The definition proposed by the acute kidney injury network (AKIN) is often used for diagnosis of acute renal failure [2]. The causes ...

Journal: :Turkish neurosurgery 2016
Guangfei Gu Hailong Zhang Shisheng He Qingsong Fu Xiaobing Cai Xu Zhou Xiaolong Shen Xin Gu

AIM We conducted a novel classification system of degenerative lumbar spinal stenosis (DLSS) based on clinical manifestations and imaging (computed tomography and magnetic resonance imaging) features. We chose different minimally invasive surgical procedures according to our system. Clinical parameters and radiological findings will be assessed in the article. MATERIAL AND METHODS A retrospec...

2016
Kuthan Kavakli Nesrin Ocal Deniz Dogan Ali Fuat Cicek Hakan Isik Sedat Gurkok

BACKGROUND Organizing pneumonia (OP) can be idiopathic or secondary to some clinical situations. If an etiological cause is not present, this phenomenon is called cryptogenic OP. Secondary OP is associated with various diseases that are known to induce the OP. OBJECTIVES The aim of this study was to evaluate the clinical features of the cases with OP and compare the patients diagnosed by bron...

2017
Daniele Nicolini Andrea Agostini Roberto Montalti Federico Mocchegiani Cinzia Mincarelli Alessandra Mandolesi Nicola L Robertson Roberto Candelari Andrea Giovagnoni Marco Vivarelli

AIM To investigate the prognostic value of the radiological response after transarterial chemoembolization (TACE) and inflammatory markers in patients affected by hepatocellular carcinoma (HCC) awaiting liver transplantation (LT). METHODS We retrospectively evaluated the preoperative predictors of HCC recurrence in 70 patients treated with conventional (n = 16) or doxorubicin-eluting bead TAC...

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