A 56-year-old man presented to the emergency department with a 3-day history of diarrhea and dull epigastric pain. On physical examination, the patient appeared to be in great distress and was tachycardic, with otherwise normal vital signs. His abdomen was diffusely tender with rebound; bowel sounds were absent.
A 59-year-old man with Crohn's disease was being treated with infliximab administered through a central venous access device, which had been placed for long-term intermittent treatment. He presented with stable vital signs, and the physical examination was notable for cyanosis of the head, neck, upper torso, and arms.
A 53-year-old woman was admitted to the hospital for evaluation of a 1-week history of lower abdominal pain and dysuria. She was afebrile.
A 23-year-old man presented to the emergency department with rapidly progressive left arm pain and erythema extending from the hand to the axilla. He had felt well until the previous night, when his left third finger was injured during a lacrosse game.
An 86-year-old man was hospitalized for repeated episodes of septic shock due to methicillin-resistant Staphylococcus aureus (MRSA) pneumonia. In 1948, the patient had pulmonary tuberculosis. What do you see on this Chest X-ray ?
A 49-year-old woman with morbid obesity and hypertension presented with extensive areas of redness and weeping sores on her legs. What is the most likely cause of these skin changes?
A 24-year-old man who had been wearing a seatbelt while driving a car involved in a high-speed motor vehicle crash. Which structure has been disrupted and what's the diagnosis ?
A 39-year-old woman presented with painless, nonpruritic, flagellate hyperpigmentation on her trunk, 1 week after intralesional sclerotherapy of vascular malformation of the posterior tongue. What's the diagnosis and what could have caused these skin changes ?
A 67-year-old woman presented with a 6-month history of dyspnea and dysphagia. What is the diagnosis?
A 12-year-old girl presented with a one-month history of decreased appetite, vomiting, and weight loss. The patient had had no fevers or night sweats. What is the most likely diagnosis?