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Counts of Fasciola spp. eggs in faeces and measurements of antibody concentration to the excretory/secretory antigens of Fasciola spp. by ELISA were related to the numbers of flukes in the livers of 92 cattle killed in the abattoirs of Hanoi City, Vietnam. In this population, about 22% of the cattle had no flukes, another 22% had between 1 and 10 flukes,(More)
Two-dimensional (2-D) cranial ultrasound (US) is the principal method for the detection of cerebral injury in the newborn. The aim of this study was to compare 2-D sonographic methods with more advanced 3-D magnetic resonance imaging (MRI) for assessing brain structure. From July 1998 to November 2000, we conducted a prospective methodological study(More)
The radiographs and clinical records of 26 patients with colorectal cancer missed on barium enema, and subsequently detected at colonoscopy, were reviewed to determine the cause of radiological error. Twenty (77%) of the patients were female. In 24 of 26 patients, anemia and/or rectal bleeding was a presenting feature. Fourteen of the 26 (54%) missed(More)
The energy spectrum of X-ray photons after passage through an absorber contains information about its elemental composition. Thus, tissue characterisation becomes feasible provided that absorption characteristics can be measured or differentiated. Dual-energy CT uses two X-ray spectra enabling material differentiation by analysing material-dependent(More)
OBJECTIVE Postnatal investigation of mild degrees of fetal hydronephrosis has allowed subsequent detection of infants with vesicoureteric reflux (VUR). This study was designed to provide short to medium term information on such infants who had primary VUR, the rates of renal damage and progression over time, the risk factors for such damage and to compare(More)
Prognosis of the very low birth weight infant depends more on gestational age than birth weight, but clinical assessment of gestational age of very low birth weight infants is inaccurate. We wished to determine how well cerebellar vermis dimensions might predict gestational age in infants of birth weight less than 2000 g. We obtained suitable midline(More)
OBJECTIVE There is an urgent need for a bedside method to assess the effectiveness of neonatal therapies designed to improve cerebral development in very low birth-weight infants. The aim of this study was to assess the impact of preterm birth on the serial growth of the corpus callosum and how soon it could be detected after birth with cranial ultrasound.(More)
OBJECTIVES To determine the major sources of error in ultrasonographic assessment of fetal weight and whether they have changed over the last decade. METHODS We performed a prospective observational study in 1991 and again in 2000 of a mixed-risk pregnancy population, estimating fetal weight within 7 days of delivery. In 1991, the Rose and McCallum(More)
BACKGROUND AND PURPOSE It is desirable to develop a bedside method for assessing cerebral development in the very premature infant to monitor the effectiveness of interventions aimed at improving cerebral development. Our aim was to describe the growth trajectory of the corpus callosum (CC) on cranial sonography in very premature infants. METHODS We(More)