A 30 year old man presents with new but persistent plaques on his extremities and his hard palate. He was diagnosed with HIV 10 years ago and has been taking tenofovir, emtriciabine, and efavirenz for the past 5 years. Six months ago, his CD4 count was 360 cell/mm3 and his viral load was undetectable. Here is an image of the plaque.   What is the most likely diagnosis in this case?

Five days after admission to the hospital for community-acquired pneumonia, a 62 year old women has abdominal pain and multiple episodes of loose stools. They are watery, foul-smelling, and occasionally streaked with blood. She has approximately 6 episodes in 1 day. She is currently being treated with intravenous ceftriaxone and oral azithromycin. She underwent a laparoscopic cholecystectomy 5 years prior. She reports a history of hypertension and diabetes. Current medications include metformin, enalapril, and HCTZ. She returned from a trip to Bolivia 4 weeks ago. Her temperature is 98.4*F, Pulse is 98 beats per minute, and Blood Pressure is 138/80 mmHg. Crackles are heard over her right lower lung. Abdominal exam shows mild diffuse tenderness throughout the lower quadrants. The abdomen is not distended.  Lab findings include: hemoglobin 12 g/dL WBC 14,100/mm3 Which of the following is the most appropriate next step in management?

A 28-year-old female with no significant medical history presents with a 1 week history of severe throat pain and difficulty swallowing. She states that she has not experienced fever, rhinorrhea, or cough and has had no recent sick contacts. She notes a gradual unintentional 22 pound weight loss during the previous 6 months. She reports no use of alcohol or illicit drugs. On physical examination, she is noticeably thin but does not appear to be acutely ill. Her vital signs are normal. She does not have orthostatic hypotension. Her buccal mucosa, tongue and soft palate exhibit white plaques on an erythematous base, which scrape off with a tongue blade. She also has shotty bilateral cervical adenopathy. Which one of the following tests should be done promptly in this patient?

Four days after undergoing an open cholecystectomy, a 76-year-old man is evaluated for confusion and fever. He has hypertension, type 2 diabetes mellitus, and chronic obstructive pulmonary disease. He smoked 1 pack of cigarettes daily for 40 years but quit 1 year ago. He does not drink alcohol. Prior to admission to the hospital, his medications included lisinopril, metformin, and ipratropium. He appears acutely ill and lethargic.  Vitals: Temp 103.1*F, pulse 108/min, respirations 22/min, blood pressure 110/84 mmHg.  He is oriented to person but not to place and time. Examination demonstrates a 10-cm subcostal incision that appears dry, clean and mildly erythematous; there is no tenderness to palpation of the lower abdomen and there is no guarding or rebound. Pulmonary examination shows scattered wheezing throughout both lung fields and no crackles. The remainder of the physical examination shows no abnormalities. A urinary catheter is in place and urine output is normal. Which of the following is likely to establish the diagnosis?

What is the primary clinical significance of an isolated Phrygian cap identified on an otherwise normal ultrasound examination?

When imaging the normal biliary tree in a sagittal plane, how does the common bile duct (CBD) typically appear on ultrasound?

What is this normal variant of the GB?

Gallstones are highly attenuating and absorb/reflect most of the sound beam, creating a dark, anechoic band (shadow) posterior to them.

In anatomical terms, where is Hartmann’s pouch located in relation to the gallbladder?

In addition to being 65 years old, blind, disabled, or having limited assets, to receive SSI, a person must: