Which one of the following statements is false with regard to pyuria in children?

A. Presence of more than 5 WBC/hpf (high power field) for girls and more than 3 WBC/hpf for boys

B. Infection can occur without pyuria

C. Pyuria may be present without Urinary tract infection

D. Isolated pyuria is neither confirmatory nor diagnostic for Urinary tract infection

Correct Answer: Presence of more than 5 WBC/hpf (high power field) for girls and more than 3 WBC/hpf for boys

Description: Gram stain of the uncentrifuged urine revealing 2 or more bacteria per oil immersion field suggests significant bateriuria. Dipstick examination (combining detection of leukocyte esterase and nitrate) is as sensitive as microscopic urinalysis in screening for UTI. The defenitive diagnosis of UTI depends on the urine culture showing>= 100000 organism/ml. Ref: Kliegman, Behrman, Jenson, Stanton (2008), Chapter 538 "Urinary Tract Infections", In the book, "NELSON TEXTBOOK OF PEDIATRICS", Volume 2, 18th Edition, New Delhi, Pages 2225-6.

Category: Pediatrics

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