Publications by authors named "T Vanderzalm"

In pediatric neurosonography, conventional color Doppler imaging has been the primary adjunct to routine gray-scale imaging. Power Doppler sonography is a relatively recent development that does not have the limitations of conventional color Doppler ultrasound. The power Doppler technique measures the energy of moving red blood cells instead of the velocity and direction of flow.

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Meconium ileus can be difficult to distinguish from ileal atresia on plain radiographs and on contrast enema. Both show a microcolon in the face of a small bowel obstruction. The treatment of the two is very different.

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Foreign bodies in the female genital tract are well recognized as a cause of pain, discharge, secretions, and infection. In the small child, the presence of a vaginal discharge is usually associated with either a common object which has been inserted or sexual abuse complicated by a sexually transmitted disease. A 3-year-old child presented with a recurrent labial secretion and drainage due to an unusual foreign body.

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Impacted subglottic foreign bodies may produce upper airway obstruction and clinical signs simulating croup or asthma. We identified the roentgenologic and clinical features in six patients. In four of these patients, the parent had not observed the aspiration episode, so that the diagnosis was delayed.

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Two small neonates, one with hypoplastic right heart syndrome, and the other with tetralogy of Fallot and pulmonary atresia, were treated with intravenous prostaglandin E1 (Prostyn VR, Upjohn, Kalamazoo, Michigan) for 96 and 33 days, respectively. They developed limited cortical hyperostosis, but marked soft tissue swellings in all extremities. The changes were noted after PGE1 treatment for four weeks and one week, respectively.

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