Sonographic detection of rhabdomyosarcoma of the urinary bladder.

Rhabdomyosarcoma (RMS) is the most common malignant pelvic tumor in the young child, occurring typically in children aged 2-4 years. It arises from the prostate or the trigone of the bladder in boys, and from the vagina or uterus in girls. We report a case of bladder rhabdomyosarcoma and discuss the ultrasonographic images.

A comparison of secretory antibodies in breast-fed and formula-fed infants over the first six months of life.

In the present study salivary IgA, anti-Escherichia coli, anti-beta-lactoglobulin and anti-poliovirus type 1 IgA and IgM in serum and saliva were evaluated longitudinally in 13 breast-fed and 14 formula-fed infants over the first six months of life. Salivary IgA was quantified by electroimmunodiffusion; specific IgA and IgM antibodies were determined in serum and saliva by ELISA. Salivary IgA was significantly lower at age one month in breast-fed compared with formula-fed infants but in breast-fed infants salivary IgA increased with age and was significantly higher at six months than at one month.

Precision of gestational age assessment in the neonate.

The precision of the Ballard scale for assessing gestational age (GA) was evaluated in a consecutive sample of 227 preterm and/or low-birth-weight neonates. Each newborn was rated independently by two neonatologists and the difference in GA estimation between them was computed. The estimated precision was not high, the 95% tolerance interval estimate being as large as 7.