system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 35-year-old woman comes to the physician because of progressive left flank pain and increased urinary frequency for the past two weeks. Her appetite is normal and she has not had any nausea or vomiting. She has a history of type 1 diabetes mellitus that is poorly controlled with insulin. She is sexually active with her boyfriend, and they use condoms inconsistently. Her temperature is 38° C (100.4° F), pulse is 90/min, and blood pressure is 120/80 mm Hg. The abdomen is soft and there is tenderness to palpation in the left lower quadrant; there is no guarding or rebound. There is tenderness to percussion along the left flank. She complains of pain when her left hip is passively extended. Her leukocyte count is 16,000/mm3 and urine pregnancy test is negative. Urinalysis shows 3+ glucose. An ultrasound of the abdomen shows no abnormalities. Which of the following is the most likely diagnosis?
assistant
Psoas muscle abscess