Case presentation A 62-year-old man presents to the emergency department with a 1-week history of left lower quadrant abdominal pain. He complains of increased pain, nausea, and fever. He has had one prior episode of similar left lower quadrant pain that resolved with antibiotic treatment alone. He has no cardiac or pulmonary risk factors. Examination On examination, his blood pressure is 140/80 mmHg, heart rate 110 beats/min, and temperature 38.6°C (101.5°F).
His abdomen is soft and mildly distended, with left lower quadrant tenderness to palpation. He does not have evidence of generalized peritonitis. His white blood cell (WBC) count is 20,000/mm 3 . What is your most likely diagnosis for this patient? (Answer is posted in the comment section below!) *This Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only.
