Fever of Unknown Orign in an 11-Year-Old Girl Keith Herzog, MD Dr. Herzog is an assistant professor of pediatrics, Drexel University College of Medicine, Philadelphia, PA. The questions below are based on the February 2007 Pediatric Rounds article, “Fever of Unknown Orign in an 11-Year-Old Girl”. Choose the single best answer for each question.
	1. In previously healthy children presenting with fever of unknown origin (FUO), which of the following account for the largest percentage of established diagnoses? Collagen vascular diseases Drug reactions Infectious diseases Malignancies, especially leukemia Click here to compare your answer. 2. A child presents with fever for 3 weeks, and history and repeated physical examinations fail to reveal a cause. If directed/selective initial tests fail to lead to a diagnosis, which imaging modality may be a useful next step in a patient with FUO? Abdominal obstruction series Bone scan Computed tomography (CT) of the abdomen Gallium scan Magnetic resonance imaging of the brain Click here to compare your answer.		3. Which of the following is the most practical available diagnostic test in a child with clinically suspected cat-scratch disease? Culture of blood or aspirated sample from affected organ/node Polymerase chain reaction (PCR) of blood or aspirated sample from affected organ/node Serology Warthin-Starry silver stain of biopsy material Click here to compare your answer. 4. Which of the following is supported by a controlled study for use in patients with cat-scratch disease? Amoxicillin Amoxicillin/clavulanate Azithromycin Ceftriaxone Doxycycline Click here to compare your answer.
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