A 75-year-old man has trouble emptying his bladder, an enlarged prostate and osteoblastic lesions in the vertebral bodies.
A middle-aged man presenting to the emergency department also has pale skin and loss of vibration sense. What is the most likely diagnosis?
A woman with no history of menstruation has surgery to remove gonadal structures. What laboratory findings in serum are likeliest prior to surgery?
A woman with HIV is found to have inflammation and a large, deep ulceration of the distal esophagus. Can you determine the cause?
Some of our most popular stories test medical students’ knowledge with frequently missed questions from USMLE® Steps 1 and 2.