E. Jane Adam

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This study validates a method to add spatially correlated statistical noise to an image, applied to transaxial X-ray CT images of the head to simulate exposure reduction by up to 50%. 23 patients undergoing routine head CT had three additional slices acquired for validation purposes, two at the same clinical 420 mAs exposure and one at 300 mAs. Images at(More)
AIM The purpose of this study was to assess screening times and resulting dose implication at pneumatic reduction of intussusception in the paediatric age group and to examine the relationship with the outcome of the procedure. MATERIALS AND METHODS We retrospectively reviewed the case notes and departmental records of 143 children who had undergone a(More)
OBJECTIVE The purpose of this study was to determine the frequency of visualization, the size, and the sonographic appearance of the normal thymus on sonograms of children 2-8 years old. SUBJECTS AND METHODS Fifty children without symptoms referable to the thymus were scanned through the suprasternal notch and parasternal windows with a Diasonics DRF 100(More)
AIM To evaluate the impact of picture archiving and communications systems (PACS) on reporting times and productivity in a large teaching hospital. MATERIALS AND METHODS Reporting time, defined as the time taken from patient registration to report availability, and productivity, defined as the number of reports issued per whole time equivalent (WTE)(More)
Acute appendicitis (AA) is a common abdominal emergency with a lifetime prevalence of about 7 %. As the clinical diagnosis of AA remains a challenge to emergency physicians and surgeons, imaging modalities have gained major importance in the diagnostic work-up of patients with suspected AA in order to keep both the negative appendectomy rate and the(More)
Ultrasonographic, blinded assessment was made of the extent of hepatic steatosis in 55 children with severe malnutrition: undernutrition (n = 6), marasmus (n = 18), marasmickwashiorkor (n = 17), and kwashiorkor (n = 14). The children were examined on admission, in early recovery (considered as baseline), and again at discharge. Eleven healthy control(More)
The aim of this study was first to determine the effect of use of different scan planes at computed tomography (CT) of the brain on lens radiation dose and on severity of posterior fossa artifact. Twenty patients requiring nonenhanced and contrast material-enhanced brain CT scanning were selected. Each was scanned with two different beam angulations, one(More)
We report a case of a chest wall lipoblastoma first presenting in a 6-month-old infant. Clinical presentation was with a posterior chest wall mass. Chest X-ray showed expansion of the posterior ribs on the left, a feature not previously described in this condition. CT scanning delineated a mass of predominantly fat attenuation, which was invading between(More)
Noonan syndrome affects approximately 1 in 1500 live births. Affected individuals may have characteristic phenotypic features some of which are shared with Turner syndrome, although in Noonan syndrome the karyotype is normal, unlike the 45X karyotype of Turner syndrome. Renal anomalies have been described in both syndromes and in Turner syndrome they are(More)
Image-guided diagnostic and therapeutic procedures are related to, or performed under, some kind of imaging. Such imaging may be direct inspection (as in open surgery) or indirect inspection as in endoscopy or laparoscopy. Common to all these techniques is the transformation of optical and visible information to a monitor or the eye of the operator.(More)