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Critical reviews in computed tomography最新文献

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CT of the coronary arteries. 冠状动脉的CT图。
Critical reviews in computed tomography Pub Date : 2004-01-01
Karen M Horton
{"title":"CT of the coronary arteries.","authors":"Karen M Horton","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 3","pages":"147-51"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24650701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case of the month. Emphysematous cystitis. 本月热门案例。气肿性膀胱炎。
Critical reviews in computed tomography Pub Date : 2004-01-01
Clifford Weiss
{"title":"Case of the month. Emphysematous cystitis.","authors":"Clifford Weiss","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 3","pages":"153-6"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24650702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CT of GI trauma. 胃肠道创伤的CT检查。
Critical reviews in computed tomography Pub Date : 2004-01-01 DOI: 10.3109/10408370490478555
J. Jacobs, A. Megibow
{"title":"CT of GI trauma.","authors":"J. Jacobs, A. Megibow","doi":"10.3109/10408370490478555","DOIUrl":"https://doi.org/10.3109/10408370490478555","url":null,"abstract":"Traumatic bowel and mesenteric injuries are notoriously difficult to diagnose. CT has become the modality of choice for evaluating stable trauma patients for the presence of intra-abdominal injury. This article will summarize the CT findings useful for detecting bowel and mesenteric injury.","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"88 1","pages":"157-80"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81390651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Helical single and multidetector row CT with three-dimensional volume rendering of the young hip. 螺旋单排和多排CT显示年轻髋关节三维体积图。
Critical reviews in computed tomography Pub Date : 2004-01-01 DOI: 10.1080/10408370490450221
L. Lawler, P. Sponsellar, E. Fishman
{"title":"Helical single and multidetector row CT with three-dimensional volume rendering of the young hip.","authors":"L. Lawler, P. Sponsellar, E. Fishman","doi":"10.1080/10408370490450221","DOIUrl":"https://doi.org/10.1080/10408370490450221","url":null,"abstract":"The complex ball and socket hip joint requires multiple projections for complete assessment. Though these have traditionally been acquired using multiple plain films, appropriately post-processed helical CT data can provide a comprehensive evaluation of congenital and acquired hip conditions from a single study.","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"19 1","pages":"111-45"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77574939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Primary pulmonary arterial hypertension presenting as diffuse micronodules on CT. 原发性肺动脉高压在CT上表现为弥漫性微结节。
Critical reviews in computed tomography Pub Date : 2004-01-01
M R Horton, R M Tuder
{"title":"Primary pulmonary arterial hypertension presenting as diffuse micronodules on CT.","authors":"M R Horton,&nbsp;R M Tuder","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Primary pulmonary arterial hypertension is a rare lethal disease that typically presents radiographically with enlarged central pulmonary arteries, pruning of the peripheral vasculature, and cardiomegaly but clear lung fields. Although it is a disease of unknown etiology, primary PAH has been associated with anorexigen use. We present a case of pulmonary arterial hypertension in a woman with a history of fenfluramine and phentermine use who presented with diffuse micronodules on computed tomography scan. Lung biopsy confirmed the micronodules were radiographic manifestations of extensive diffuse plexogenic arterial lesions. This report represents an unusual radiographic presentation of anorexigen related pulmonary arterial hypertension, and to our knowledge, the first case reported as presenting with diffuse micronodules on high resolution computed tomography scan.</p>","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 5-6","pages":"335-41"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25157083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CT of the bladder. 膀胱CT。
Critical reviews in computed tomography Pub Date : 2004-01-01 DOI: 10.3109/10408370490450005
Karen M Horton
{"title":"CT of the bladder.","authors":"Karen M Horton","doi":"10.3109/10408370490450005","DOIUrl":"https://doi.org/10.3109/10408370490450005","url":null,"abstract":"","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 2","pages":"87-98"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/10408370490450005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24586865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intracranial pyogenic abscess: imaging diagnosis utilizing recent advances in computed tomography and magnetic resonance imaging. 颅内化脓性脓肿:利用计算机断层扫描和磁共振成像的最新进展进行影像诊断。
Critical reviews in computed tomography Pub Date : 2004-01-01
Jeremy B Nguyen, Brandon R Black, Melissa M Leimkuehler, Vandana Halder, Joseph V Nguyen, Naveed Ahktar
{"title":"Intracranial pyogenic abscess: imaging diagnosis utilizing recent advances in computed tomography and magnetic resonance imaging.","authors":"Jeremy B Nguyen,&nbsp;Brandon R Black,&nbsp;Melissa M Leimkuehler,&nbsp;Vandana Halder,&nbsp;Joseph V Nguyen,&nbsp;Naveed Ahktar","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Intracranial abscesses are life-threatening medical emergencies with pyogenic debris accumulating in the brain. Delay in the diagnosis can result in significant morbidity and mortality. Computed tomography and magnetic resonance imaging play an important role in the diagnosis of brain abscesses. However, the classic ring-enhancing appearance of an intracranial abscess can be mimicked by several other entities, most notably a necrotic tumor. This paper reviews new advances in CT and MR for imaging patients with suspected brain abscess. The role of computed tomography (CT) perfusion and new magnetic resonance sequences including DWI sequences, ADC map, MR spectroscopy, FLAIR and post-contrast enhanced T1 weighted images will also be discussed.</p>","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 3","pages":"181-224"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24650704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computed tomography assessment of lung structure and function in pulmonary edema. 肺水肿患者肺结构和功能的计算机断层扫描评估。
Critical reviews in computed tomography Pub Date : 2004-01-01 DOI: 10.3109/10408370490888451
P. Scillia, A. Bankier, P. Gevenois
{"title":"Computed tomography assessment of lung structure and function in pulmonary edema.","authors":"P. Scillia, A. Bankier, P. Gevenois","doi":"10.3109/10408370490888451","DOIUrl":"https://doi.org/10.3109/10408370490888451","url":null,"abstract":"By definition pulmonary edema is an abnormal accumulation of water in the lung. Consequently, the computed tomography (CT) appearance of pulmonary edema reflects the sequence of this accumulation. In early hydrostatic pulmonary edema, CT shows vascular engorgement and peribronchovascular cuffing that increases with the severity of edema and that is associate in late stage, with consolidations. In acute respiratory distress syndrome (ARDS), CT shows the proportion of injured parenchyma and depicts associated alterations as parenchymal infiltrate and consolidation, pleural effusion, pneumothorax. These merely morphological findings can be complemented with data from objective CT analysis of the lung parenchyma. Indeed CT can assess lung water noninvasively. Correlated with hydrodynamic parameter, these objective measurements show that the increase of lung density parallels parenchymal fluid overload. These data also show that the occurrence of ground glass opacities can precede the hemodynamic evidence of edema.","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"24 1","pages":"293-307"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83008878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Wegener's Granulomatosis: CT evolution of pulmonary parenchymal findings in treated disease. 韦格纳肉芽肿病:治疗后肺实质表现的CT演变。
Critical reviews in computed tomography Pub Date : 2004-01-01
E Scott Pretorius, John H Stone, David B Hellman, Elliot K Fishman
{"title":"Wegener's Granulomatosis: CT evolution of pulmonary parenchymal findings in treated disease.","authors":"E Scott Pretorius,&nbsp;John H Stone,&nbsp;David B Hellman,&nbsp;Elliot K Fishman","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objective: </strong>To determine the computed tomography (CT) evolution of various pulmonary manifestations of Wegener's Granulomatosis (WG) following appropriate pharmacologic treatment of the disease.</p><p><strong>Methods: </strong>Eleven patients with WG were identified, each of whom had had at least two CT examinations. CTs were reviewed retrospectively to identify pulmonary lesions of WG. Lesions were categorized as nodules, cavities, lobar atelectasis, pulmonary bands, or infiltrates. To determine the evolution of each individual lesion following pharmacologic treatment, the authors compared the lesions at presentation to their appearances on follow-up CT examinations.</p><p><strong>Results: </strong>A total of 112 lesions were identified (nodules = 70, cavities = 25, lobar atelectasis = 7, pulmonary bands = 6, infiltrates = 4). The mean time interval between CT examinations was 34 weeks (range: 3-248 weeks). Treated nodules tended to become smaller (33/70, 47%), to resolve (14/70, 20%), or to remain unchanged (8/70, 11%). However, the nodules became larger or cavitated in a substantial minority of cases (13/70, 19% and 2/70, 3%, respectively). Although more than half of the treated cavities became smaller (13/25, 52%) or resolved (1/25, 4%), many evolved into nodules (6/25, 24%) or enlarged (5/25, 20%). All cases of lobar atelectasis (14/14, 100%) and transpulmonary bands (6/6, 100%) were unchanged at follow-up. All infiltrates were either resolved (3/4, 75%) or substantially improved (1/4, 25%).</p><p><strong>Conclusion: </strong>WG has a wide spectrum of pulmonary manifestations. Nodules, cavities, and infiltrates are among the most common lesions seen on CT. Although these findings tend to improve with treatment, mixed responses are not uncommon. Lobar atelectasis and transpulmonary bands tend not to improve, even with the occurrence of clinical disease remission.</p>","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 1","pages":"67-85"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"24493807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic resonance imaging and proton magnetic resonance spectroscopy of intracranial epidermoid tumors. 颅内表皮样瘤的磁共振成像和质子磁共振波谱。
Critical reviews in computed tomography Pub Date : 2004-01-01
Jeremy B Nguyen, Naveed Ahktar, Pablo N Delgado, Lisa H Lowe
{"title":"Magnetic resonance imaging and proton magnetic resonance spectroscopy of intracranial epidermoid tumors.","authors":"Jeremy B Nguyen,&nbsp;Naveed Ahktar,&nbsp;Pablo N Delgado,&nbsp;Lisa H Lowe","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Intracranial epidermoid tumors or cysts are considered benign lesions. Differentiation of epidermoid tumors from arachnoid cysts is important for appropriate patient care because the treatment is different for each lesion. Arachnoid cysts can appear very similar to epidermoid tumors on computed tomography (CT). Epidermoid tumors can grow in the cerebellopontine angle (CPA) cistern, the most common location of these lesions, resulting in trigeminal neuralgia and facial paralysis. Treatment for epidermoid tumors is exclusively surgery. Arachnoid cyst, on the other hand, is a benign condition that rarely produces symptoms. Recent advances in magnetic resonance imaging (MRI) have allowed more accurate imaging diagnosis of epidermoid tumors. This article reviews the recent advances in MRI using conventional T1W, post-contrast T1W, T2W, steady-state free precession imaging, fluid-attenuated inversion recovery (FLAIR), diffusion-weighted imaging (DWI), and proton magnetic resonance spectroscopy (MRS) in the imaging diagnosis of epidermoid tumors.</p>","PeriodicalId":83673,"journal":{"name":"Critical reviews in computed tomography","volume":"45 5-6","pages":"389-427"},"PeriodicalIF":0.0,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25157086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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