D P Minks, E A C Pereira, V E L Young, K M Hogarth, G Quaghebeur
Central nervous system (CNS) stimulation is becoming increasingly prevalent. Deep brain stimulation (DBS) has been proven to be an invaluable treatment for movement disorders and is also useful in many other neurological conditions refractory to medical treatment, such as chronic pain and epilepsy. Neuroimaging plays an important role in operative planning, target localization and post-operative follow-up. The use of imaging in determining the underlying mechanisms of DBS is increasing, and the dependence on imaging is likely to expand as deep brain targeting becomes more refined...
April 2015: British Journal of Radiology
M A Kirchin, V Lorusso, G Pirovano
OBJECTIVE: To determine whether increased elimination of gadobenate ion via the hepatobiliary pathway might compensate for reduced/absent elimination via the urinary pathway in the event of compromised renal function, as a possible protective mechanism against nephrogenic systemic fibrosis (NSF). METHODS: 15 male Crl:CD(®) R(SD)Br rats (Charles River Italia, Como, Italy) randomized to three treatment groups: (1) animals with occluded bile ducts, (2) animals with occluded renal vessels and (3) control animals, each received 0...
April 2015: British Journal of Radiology
T M Haygood, M A Q Liu, E Galvan, R Bassett, W A Murphy, C S Ng, A Matamoros, E M Marom
OBJECTIVE: To investigate the effect of recognition of a previously encountered radiograph on consistency of response in localized pulmonary nodules. METHODS: 13 radiologists interpreted 40 radiographs each to locate pulmonary nodules. A few days later, they again interpreted 40 radiographs. Half of the images in the second set were new. We asked the radiologists whether each image had been in the first set. We used Fisher's exact test and Kruskal-Wallis test to evaluate the correlation between recognition of an image and consistency in its interpretation...
June 2014: British Journal of Radiology
J-L Ravanat, J Breton, T Douki, D Gasparutto, A Grand, W Rachidi, S Sauvaigo
During the last three decades, a considerable amount of work has been undertaken to determine the nature, the mechanism of formation and the biological consequences of radiation-induced DNA lesions. Most of the information was obtained via the development of chemical approaches, including theoretical, analytical and organic synthesis methods. Since it is not possible to present all the results obtained in this review article, we will focus on recent data dealing with the formation of complex DNA lesions produced by a single oxidation event, as these lesions may play a significant role in cellular responses to ionizing radiation and also to other sources of oxidative stress...
March 2014: British Journal of Radiology
K S Giassi, M F P Correa, C L Fujita, G G Cerri, C C Leite
OBJECTIVE: The aims of this study were to define imaging findings and to identify any predisposing factors for the development of the round lytic lesion across the margins of sternotomy during the process of bone healing. METHODS: We searched all chest CT scans performed between 2007 and 2012 and selected patients who had three studies performed in the recent, late and latest post-operative periods. Patients presenting any complications related to wound healing were excluded from the study...
January 2014: British Journal of Radiology
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