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Biomedical subjects

B B Gay

Publications and source records attributed to B B Gay.

30 records · Page 2Linked to original sources

Focal nodular hyperplasia of the liver in children: a report of three new cases.

Three cases of focal nodular hyperplasia of the liver in children are presented. The angiographic findings of a hypervascular mass with dense, delayed capillary stain in combination with increased uptake of 99mTc sulfur colloid on radionuclide scans were present in two cases. Computed tomography, utilized in one case, demonstrated a well-circumscribed mass with an irregular stellate area of low density which corresponded to the central collagenous scar described pathologically. The ultrasonographic finding was that of a mass slightly less echogenic than surrounding normal liver tissue.

Angiography↗

Adrenal calcification present at birth.

Presented in a case in which calcification of the adrenal gland was roentgenographically evident on the first day of life. The earliest previously reported case of adrenal calcification was at 8 days of age and was attributed to an intrapartum hemorrhage. It is proposed that an intrauterine third trimester insult was responsible for prepartal hemorrhage which resulted in adrenal calcification present at birth.

Adrenal Gland Diseases↗

Radiologic evaluation of the nontraumatized child with respiratory distress.

The radiologic examination of the chest is an essential part of the evaluation of the pediatric patient presenting to the emergency room with respiratory distress. In many cases the chest radiograph will be diagnostic of a specific cause for the distressful symptom. Opaque foreign bodies are readily visualized in the tracheobronchial tree. The presence of massive atelectasis or severe obstructive emphasema may be visualized. Large pleural fluid collections or tension pneumothoraces can be localized and immediately treated by proper drainage. The presence of pneumonia, acute pulmonary edema, and pulmonary hemorrhage may be identified. Complications associated with bronchial asthma (pneumomediastinum, pneumothorax, and atelectasis) may be manifested radiographically before clinical signs are obvious. Lung compression by large mediastinal tumors and delayed congenital hernias may be readily demonstrated by chest radiography.

Adolescent↗

A syndrome of widened medullary cavities of bone, aortic calcification, abnormal dentition, and muscular weakness (the Singleton-Merten syndrome).

Two patients with clinical and radiological features similar to those of Singleton and Merten's patients are described. These patients exhibit features of a unique clinical syndrome of unknown etiology: generalized muscular weakness with secondary hip and foot deformities, progressive calcification of the thoracic aorta beginning in childhood, calcific aortic stenosis leading to heart failure, dysplasia of the teeth, poor physical development, osteoporosis, expanded medullary cavities of the metacarpal and metatarsal bones, and chronic psoriaform skin lesions.

Adolescent↗

Intussusception of the appendix in children.

Intussusception of the appendix is uncommon and an unusual cause of ileocolic intussusception. The pediatric age group is most often affected. Appendiceal intussusception may present as primary appendiceal invagination but more commonly leads to secondary intussusception. Two cases of partial appendiceal intussusception leading to secondary intussusception are presented. Classification, symptomatology, radiographic appearance, and differential diagnosis are discussed.

Appendix↗

The incipient Wilms' tumor.

The diagnosis of Wilms' tumor is usually made by excretory urography after the patient presents with an abdominal mass. A diagnosis prior to the appearance of an obvious mass might result in an improved cure rate and less morbid therapy. The three cases described illustrate the difficulty in making an earlier diagnosis since pyelograms were "normal" prior to detection of the abdominal mass.

Female↗