Abstract：
AIM:To determine the most robust commonly available magnetic resonance imaging (MRI) sequence to quantify breast tissue composition at 1.5 T. MATERIALS AND METHODS:Two-dimensional (2D) T1-weighted, Dixon fat, Dixon water and SPAIR images were obtained from five participants and a breast phantom using a 1.5 T Siemens Aera MRI system. Manual segmentation of the breasts was performed, and an in-house computer program was used to generate signal intensity histograms. Relative trough depth and relative peak separation were used to determine the robustness of the images for quantifying the two breast tissues. Total breast volumes and percentage breast densities calculated using the four sequences were compared. RESULTS:Dixon fat histograms had consistently low relative trough depth and relative peak separation compared to those obtained using other sequences. There was no significant difference in total breast volumes and percentage breast densities of the participants or breast phantom using Dixon fat and 2D T1-weighted histograms. Dixon water and SPAIR histograms were not suitable for quantifying breast tissue composition. CONCLUSION:Dixon fat images are the most robust for the quantification of breast tissue composition using a signal intensity histogram.
journal_name
Clin Radioljournal_title
Clinical radiologyauthors
Chau AC,Hua J,Taylor DBdoi
10.1016/j.crad.2015.11.020subject
Has Abstractpub_date
2016-03-01 00:00:00pages
287-92issue
3eissn
0009-9260issn
1365-229Xpii
S0009-9260(15)00482-1journal_volume
71pub_type
杂志文章abstract：AIM:To compare the performance of a direct digital mammography system with normal-view and magnified-view conventional screen-film methods using quality control phantoms. MATERIALS AND METHODS:Using a Siemens Mammomat((R))3000 and an Opdima((R))digital spot imaging and biopsy attachment, film and direct digital images...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1053/crad.2000.0521
更新日期：2000-10-01 00:00:00
abstract：AIM:To investigate whether it is possible to reduce the radiation dose during video fluoroscopic feeding studies below the current 30 frames/s (continuous fluoroscopy). METHODS:Ten consecutive children who had supraglottic penetration while swallowing barium were evaluated as part of a video fluoroscopic feeding study...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2008.07.011
更新日期：2009-01-01 00:00:00
abstract：:Intrascrotal masses in the adult are worrisome due to their possible malignancy. Most intratesticular masses are malignant whereas most extratesticular masses are benign. The differential diagnosis of intrascrotal cysts usually includes simple testicular cysts, intratesticular epidermoid and dermoid cysts, tunica albu...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(05)83198-8
更新日期：1995-08-01 00:00:00
abstract：AIM:To determine the frequency of and reasons for false-negative breast magnetic resonance imaging (MRI) examinations in high-risk women undergoing annual screening. MATERIALS AND METHODS:The family history clinic database was interrogated and women at high risk of breast cancer who had undergone screening MRI and bee...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2016.10.020
更新日期：2017-03-01 00:00:00
abstract：:Infiltrating syringomatous adenoma is a recently-recognized locally-invasive breast neoplasm which clinically may mimic carcinoma. We describe bilateral syringomatous adenomata in a screened patient, indistinguishable from carcinoma on mammography and ultrasound examination. The clinical and pathological features whic...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(05)81219-x
更新日期：1993-01-01 00:00:00
abstract：AIM:To assess the effectiveness and economy of routinely using commercially available in-plane bismuth shielding during CT scanning of the chest and brain. METHODS AND MATERIALS:Forty patients were scanned with thermoluminescent dosemeters (TLDs) in situ to measure the radiation dose to the thyroid and eye during CT s...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2003.10.016
更新日期：2004-05-01 00:00:00
abstract：OBJECTIVE:To assess three-dimensional computed tomography 'bronchoscopic' (3-DCTB) reconstruction of routine CT data as a non-invasive method of airway visualization, and compare it with fibreoptic bronchoscopy (FOB). METHODS:Fourteen datasets were acquired from 13 patients undergoing both FOB and CT examination of th...
journal_title：Clinical radiology
pub_type： 临床试验,杂志文章
doi：10.1016/s0009-9260(97)80077-3
更新日期：1997-11-01 00:00:00
abstract：OBJECTIVES:To quantify how magnetic resonance imaging (MRI) influences clinicians' diagnosis, diagnostic confidence and management plans in patients with shoulder problems. To investigate whether such changes are associated with an improvement in health. METHODS:A prospective observational study on all patients referr...
journal_title：Clinical radiology
pub_type： 临床试验,杂志文章
doi：10.1016/s0009-9260(97)80131-6
更新日期：1997-05-01 00:00:00
abstract：:The heart and mediastinal structures can be overlooked at CT pulmonary angiogram (CTPA). This pictorial review will demonstrate the features of cardiac disease that may be evident on a CTPA. CTPA allows assessment of not only the pulmonary arteries for embolism, but also of the bronchi, lung parenchyma, mediastinum an...
journal_title：Clinical radiology
pub_type： 杂志文章,评审
doi：10.1016/j.crad.2004.07.005
更新日期：2005-01-01 00:00:00
abstract：AIM:To determine whether a combination of clinical factors, the future liver remnant (FLR) ratio, and hepatic uptake of gadoxetic acid can be used to predict post-hepatectomy liver failure (PHLF) and other major complications (OMC). MATERIALS AND METHODS:Sixty-five consecutive patients who underwent pre-hepatectomy ga...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2017.02.004
更新日期：2017-07-01 00:00:00
abstract：:This article will specifically deal with preparing for consultant interviews in clinical radiology by providing a list of carefully selected resources comprising of training courses and internet sites available for trainee radiologists nearing the end of their training. It will also be of use to established consultant...
journal_title：Clinical radiology
pub_type： 杂志文章,评审
doi：10.1016/j.crad.2008.09.006
更新日期：2009-05-01 00:00:00
abstract：:Twenty-nine patients with advanced carcinoma of the upper air and food passages were treated by radiotherapy using a 10-fraction three-week scheme, giving 1.2 g/m2 of misonidazole 4 h before each treatment. Complete tumour regression was observed in 24 of the patients, and at a nine-month follow-up the local tumour co...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(81)80166-3
更新日期：1981-03-01 00:00:00
abstract：AIM:To assess the efficiency of a novel quiescent-interval single-shot (QISS) technique for non-contrast-enhanced magnetic resonance angiography (MRA) of haemodialysis fistulas. MATERIALS AND METHODS:QISS MRA and colour Doppler ultrasound (CDU) images were obtained from 22 haemodialysis patients with end-stage renal d...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2015.11.010
更新日期：2016-03-01 00:00:00
abstract：:Eighty infants have been treated for neonatal necrotising enterocolitis within a period of five years. Twenty-five per cent developed strictures of the small or large intestine. Four cases of atresia including two with multiple cyst formation were seen. Four patients developed severe malabsorption requiring hyperalime...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(79)80036-7
更新日期：1979-01-01 00:00:00
abstract：:The symphysis pubis is demonstrated on many conventional radiographic and cross-sectional examinations and abnormality of the symphysis pubis is a common imaging finding with numerous possible causes. Many significant disorders that affect the symphysis pubis cause it to appear widened, eroded, or destroyed on imaging...
journal_title：Clinical radiology
pub_type： 杂志文章,评审
doi：10.1016/j.crad.2012.03.021
更新日期：2013-02-01 00:00:00
abstract：:Lesions of the tibial tuberosity are very rare but often present a diagnostic dilemma due to their unusual location and appearances. Although some pathologies affecting this region are commonly seen elsewhere in the skeleton, they may have atypical imaging appearances and morphological characteristics when present at ...
journal_title：Clinical radiology
pub_type： 杂志文章,评审
doi：10.1016/j.crad.2020.07.027
更新日期：2021-02-01 00:00:00
abstract：:Two cases of primary sarcoma of the pulmonary artery are presented. The variable clinical and radiographic features of this rare tumour are described with particular emphasis on its ability to mimic pulmonary thrombo-embolic disease. ...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(05)80135-7
更新日期：1990-02-01 00:00:00
abstract：AIM:To identify the differences between ultrasound (US) features of parathyroid carcinoma (PC) and benign parathyroid (BP) lesions in patients with primary hyperparathyroidism (PHPT). MATERIAL AND METHODS:Twenty-one patients with PC and 64 consecutive patients with BP, whose diagnoses were confirmed at surgery, were e...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2019.10.004
更新日期：2020-03-01 00:00:00
abstract：:The aims and objectives of radiological teaching to clinical medical students at one teaching hospital are defined and the methods of achieving these using systematic small group tutorials are described. The objectives of the course are to enable a newly qualified doctor to request radiological investigations sensibly...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(84)80125-7
更新日期：1984-05-01 00:00:00
abstract：:Five adult females with swelling, tenderness and similar sclerotic changes of the sternal end of the clavicle are presented. They were recognised during a 10-year period, suggesting that the condition is rare and may be misdiagnosed. In three patients strain of the sternoclavicular joint seemed to be an aetiological f...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(85)80010-6
更新日期：1985-01-01 00:00:00
abstract：:We reviewed our experience of the therapeutic role of radiology in Budd-Chiari syndrome. Patients with stenosis and/or occlusion of the main hepatic veins and/or inferior vena cava (IVC) are suitable for radiological intervention (35% in our series). Eighteen patients (mean age 37.4 years) have undergone radiological ...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(96)80005-5
更新日期：1996-11-01 00:00:00
abstract：:Left ventriculography with selective coronary angiography was performed on 13 patients with acute myocardial infarcts complicated by cardiogenic shock of left ventricular failure and hypotension. Twelve patients (92-3%) tolerated the procedure well. Irreversible ventricular fibrillation resulting in death occurred in ...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(77)80105-0
更新日期：1977-03-01 00:00:00
abstract：AIM:To investigate the natural history of untreated small (<3 mm) and microscopic pulmonary arteriovenous malformations (PAVMs) in hereditary haemorrhagic telangiectasia (HHT) in order to discern the optimal frequency of follow-up thoracic computed tomography (CT). MATERIALS AND METHODS:A retrospective analysis was pe...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/j.crad.2016.12.002
更新日期：2017-03-01 00:00:00
abstract：:Extracranial carotid artery aneurysms secondary to accidental injury are rare. We have seen eight lesions of this type in the last 10 years. The aneurysm was produced by blunt trauma in four patients, penetrating shrapnel injury in two, stabbing and electrical injury in one each. The left side was involved in seven pa...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(05)80471-4
更新日期：1991-03-01 00:00:00
abstract：:In the clinical use of magnetic resonance imaging (MRI) it may be more important to understand some of the technical aspects of the imaging technique, rather than the fundamental physical principles. This review, therefore, sets out to present the essential aspects of the technique, including T1 and T2 relaxation time...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(85)80232-4
更新日期：1985-11-01 00:00:00
abstract：:The results of computed tomography (CT) and other imaging techniques performed on 70 patients who were investigated for suspected recurrent carcinoma of the cervix are reported. Recurrent disease was present in 39 patients. In 29, there was local recurrence with or without distant metastases and there was distant recu...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(88)80211-3
更新日期：1988-09-01 00:00:00
abstract：:Radiologically demonstrable abnormalities of the duodenum are common in cystic fibrosis and are most prevalent in the second part of the duodenum. Out of 14 upper gastrointestinal barium studies performed on patients with cystic fibrosis over a period of 10 years, radiographic abnormalities of the duodenum were found ...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(83)80168-8
更新日期：1983-09-01 00:00:00
abstract：:Thw radiological appearances found in the pelvis and hip joints in 79 patients with cerebral palsy, aged 5--16 years, have been studied. These findings have been recorded and correlated with the clinical severity and distribution of the disease. Subluxation of the hip joints was found in 14% and dislocation in a furth...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(77)80099-8
更新日期：1977-03-01 00:00:00
abstract：:Liver transplantation continues to rise in frequency, with over 1,000 procedures performed in the UK in 2018. Complications are increasingly uncommon but when they occur, early recognition and intervention is vital to save grafts. Imaging after the perioperative period is often performed at patients' local hospitals m...
journal_title：Clinical radiology
pub_type： 杂志文章,评审
doi：10.1016/j.crad.2020.06.007
更新日期：2020-11-01 00:00:00
abstract：:Plain radiographs, computed tomographic (CT) scans and clinical records of 100 patients with nasopharyngeal carcinoma were studied. CT scans and plain radiographs provided similar information in 46 patients. There were 54 cases in which the two techniques disagreed. In 45 cases CT demonstrated abnormalities not seen i...
journal_title：Clinical radiology
pub_type： 杂志文章
doi：10.1016/s0009-9260(05)81001-3
更新日期：1992-06-01 00:00:00
