It is known that microscopic hematuria or pyuria may be associated with acute appendicitis. The present study was prompted by a review of the literature which indicated that little information is available correlating the urinary sediment with the signs, symptoms, and surgical findings in cases of acute appendicitis.
Material and Methods
One hundred twenty-nine patients underwent appendectomy for acute appendicitis at Strong Memorial Hospital in 1959. Ten had no admission urinalysis, and 6 had a preceding history of urinary tract infection. These patients were not included in the study. Of the 113 patients, 21 (19%) had a positive urinary sediment. All urine specimens were voided spontaneously. A centrifuged urine specimen with 5 or more white cells or red cells per high power field was considered positive. The patients were evaluated in regard to the admission urinalysis, sex, age, duration of symptoms prior to admission, urinary tract symptoms, fever, leukocyte count,
KRETCHMAR LH, McDONALD DF. The Urine Sediment in Acute Appendicitis. Arch Surg. 1963;87(2):209–211. doi:10.1001/archsurg.1963.01310140017006
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