Diagnostic and therapeutic interventional radiologic procedures that provide many treatment options in adults are gaining acceptance in pediatric medicine. Diagnostic (69 patients) and therapeutic (31 patients) interventional experiences in 100 children are summarized, and the procedures of choice for various clinical problems are outlined. Procedures include percutaneous biopsy for benign and malignant diseases, transhepatic cholangiography and biliary drainage, genitourinary procedures (nephrostomy, stent placement, balloon dilation), aspiration of fluid for laboratory analysis, therapeutic drainage of abscesses and noninfected fluid collections, and percutaneous gastrostomy and gastroenterostomy. Diagnoses were accurate in 96% of cases, and therapeutic procedures were successful in 84% of patients, usually obviating operation. Complications occurred in six patients (6%); the most severe was hemoptysis causing respiratory distress. There was no procedure-related mortality. Interventional procedures have wide applications in pediatric patients.
Cow's milk induced eosinophilic colitis presenting in the first week of life has been reported, but is very rare. The authors describe a 4-day-old female infant who presented with profuse rectal bleeding resulting in a hematocrit fall from 38% to 30% within 8 hr after hospital admission. Sigmoidoscopy revealed colonic mucosa that was red, edematous, and friable, with punctate hemorrhages. Rectal biopsy showed marked eosinophilic infiltration with multifocal hemorrhage. Further history indicated that while the infant had been exclusively breast-fed since birth, the nursing mother had been drinking 4-5 glasses of cow's milk per day since delivery. Prick puncture skin testing of the infant was positive for cow's milk protein. A serum radioallergosorbent test (RAST) for cow's milk protein was positive. The infant's serum IgE was 1.5 IU/ml. Rectal bleeding resolved when the patient was given a casein hydrolysate formula (Nutramigen, Mead Johnson Nutrition, Evansville, IN), and endoscopy one week later showed improvement, with only scattered areas of erythema, and no friability. We conclude that since the infant was exclusively breast-fed, the milk protein must have passed into the breast milk antigenically intact. Prenatal sensitization probably occurred. Cow's milk induced allergic colitis should be considered in the differential diagnosis of colitis in breast-fed neonates.
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