Ringworm Highly contagious fungal infection of the skin characterized by red, coinshaped, crusty lesions. Scrape culture of a lesion. Sickle-cell disease Hereditary disorder of red blood cells causing mild to severe anemia and painful crises. Complete blood count with peripheral smear, and hemoglobin electrophoresis. Urinary tract infection Bacterial infection of the urinary tract.
Symptoms vary with the age of the child.
Urinalysis and urine culture. In prepubescent children, initial studies are frequently followed weeks later by other studies to assess the anatomy of the urinary tract, including ultrasound, intravenous pyelography, or voiding cystourethrogram. Published under license from Houghton Mifflin Company. All rights reserved.