A 91-year-old man with a history of bladder carcinoma and left total knee arthroplasty was evaluated because of left knee pain. A culture of synovial fluid showed no growth. A diagnosis was made.

A 7-year-old boy was brought to a hospital with a 3-month history of cognitive deterioration and seizures. He had contracted measles at 7 months of age while living in an area where the infection is ...

Trainees’ paths to safe, independent practice are variable. Artificial intelligence could help accelerate implementation of competency-based medical education to support individualized development.

When a physician’s own incidental finding sends her down a long and winding path to find answers, she finds herself overcome with worry — but also, eventually, a new appreciation for life.

Explore the current issue of The New England Journal of Medicine (Vol. 394 No. 6).