A 21 year old sexually active woman comes to clinic with dysuria, urinary frequency, and suprapubic discomfort for 2 days. She has no fever or flank pain. Urinalysis shows positive leukocyte esterase and nitrites are negative. Urine culture grows gram positive cocci in clusters that are catalase positive, coagulase negative, and resistant to novobiocin. Which of the following organisms is the most likely cause of this patient’s symptoms?
- A)Escherichia coli
- B)Enterococcus faecalis
- C)Staphylococcus epidermidis
- D)Staphylococcus saprophyticusGABARITO
- E)Proteus mirabilis
Explicação
Staphylococcus saprophyticus is correct. This organism is a common cause of uncomplicated urinary tract infection in young sexually active women and is distinguished from S epidermidis by novobiocin resistance. The coagulase negative, catalase positive profile... Ver explicação completa e trilha adaptativa →