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Biomedical subjects

F M Volberg

Publications and source records attributed to F M Volberg.

At least 19 recordsLinked to original sources
PubMed1989

Ultrasonography of discoid adrenals in Potter's syndrome: report of three cases.

Potter's syndrome, a rapidly fatal congenital disorder marked by renal agenesis, can be diagnosed in the first hours of life with real-time ultrasound. In infants with Potter's syndrome the adrenal glands assume a discoid shape and occupy the renal beds, thereby mimicking the absent kidneys. However, discoid adrenals can be distinguished from either normal or dysplastic kidneys by definitive ultrasound criteria. The ultrasound appearance of an echogenic medulla and a hypoechoic cortex in a posteriorly placed, flattened adrenal gland is quite different from the neonatal kidney with its echogenic cortex and hypoechoic renal pyramids. Early diagnosis is desirable to facilitate management of this hopeless condition. Difficulties with reliable antenatal ultrasonographic diagnosis of Potter's syndrome are discussed.

Adrenal Glands↗
PubMed1987

The significance of ventriculomegaly in the newborn with myelodysplasia.

Hydrocephalus occurs in 69% to 92% of the meningomyelocele population, but rarely becomes manifest until after the meningomyelocele is closed. Ventriculomegaly is common at birth, even in neonates without overt hydrocephalus. Thus, palpating the anterior fontanel and cranial sutures and measuring the head circumference may be misleading. We report a means of identifying spina bifida neonates who will subsequently develop hydrocephalus. Dubowitz gestational age, birth weight, birth head circumference, head circumference percentile, and the lateral ventricular ratio (LVR) from ultrasonograms were analyzed for each of 25 neonates with meningomyelocele. The mean head circumference percentile was 47.7 +/- 7.7 SE (range: less than 5 to greater than 95). Ventriculomegaly, however, defined by an LVR of greater than 0.32, was present in all but 2 of the neonates. Pearson's correlation test showed that only one-third of the elevated LVRs could be explained by the head circumference. Later ventricular shunting was eventually required in all but 3 infants. We concluded that (1) clinical examination of the myelodysplastic neonate usually does not reveal evidence of hydrocephalus and (2) ventriculomegaly on ultrasonography predicts the later development of hydrocephalus following meningomyelocele closure.

Brain↗
PubMed1985

Unilateral duplex horseshoe kidney with ectopic ureterocele.

We have reported a case of horseshoe kidney, a common renal fusion anomaly. Because of the 25% incidence of associated genitourinary anomalies, we believe that the diagnosis of horseshoe kidney in pediatric patients should initiate a thorough urologic evaluation, including intravenous urography and real-time sonography.

Child, Preschool↗
PubMed1984

A computer-assisted radiologic reporting system.

The patient registration and interpretation/reporting modules of a computer-assisted radiologic reporting system are described. Entries may be made at several levels of complexity, using bar codes or keyboard input. Several functions allow convenient access to the database. Output may be reformatted without programmer intervention via a maintenance file. The system allowed improved turnaround time, reduced costs, and better understanding of work patterns.

Computers↗
PubMed1984

Unreliability of radiographic diagnosis of septic hip in children.

The radiographs of 19 pediatric patients with aspiration-proven bacterial infections of the hip were analyzed. The hip radiograph was abnormal in all neonates showing lateral subluxation. The radiograph was negative in eight of ten children more than 1 year of age. It is emphasized that children with suspected septic hip require immediate joint aspiration regardless of radiographic findings.

Adolescent↗
PubMed1982

Malignant histiocytosis presenting as interstitial pulmonary disease.

Three children presented with progressive respiratory symptoms and radiographic evidence of diffuse interstitial infiltrates. All three had a pulmonary pathologic diagnosis of malignant histiocytosis. The pulmonary manifestations of this disease appear to have been responsive to combined chemotherapy. Malignant histiocytosis needs to be considered in the differential diagnosis of interstitial pulmonary disease.

Adolescent↗
PubMed1981

Mediastinal cystic hygroma in children.

A 14-month-old child presented with severe respiratory distress from an anterior mediastinal mass. Since its gross appearance suggested malignancy, radical surgical excision was performed. In retrospect, secondary hemorrhage, fibrosis, and chronic inflammation were responsible for the atypical appearance of a benign cystic hygroma. Etiology, clinical presentations, diagnosis and recommended treatment of this relatively rare mediastinal lesion are discussed.

Humans↗
PubMed1979

Radiologic features of inferior pulmonary ligament air collections in neonates with respiratory distress.

Radiologically characteristic extra-alveolar air collections in one or both inferior pulmonary ligaments developed in 14 neonates with respiratory distress on assisted ventilation. Eleven infants had radiographically visible pulmonary interstitial emphysema prior to or concurrent with the air collections. All infants subsequently exhibited pneumothorax. This variant of extra-alveolar air must be recognized because it has essentially the same pathogenesis and significance as the more commonly seen anterior pneumomediastinum.

Humans↗