A young female with chest pain and a growing mass in the sternum.

A 45-year-old man with ankle swelling and pain for months duration.

A 63-year-old woman with right knee pain.

A 35-year-old man with acute hand pain and swelling after a physical altercation.

A 60-year-old man with a left hip mass after a motorcycle collision a few weeks prior.

A 60-year-old man with chronic neck pain.

A 10-year-old with left heel pain and no significant past medical history.

A 60-year-old man with HIV and poorly controlled diabetes now with right lower extremity swelling.

A 19-year-old man with left hip pain worsening over several weeks.

An 11-year-old boy with chronic anterior knee pain, acutely worsened after a fall.

A 26-year-old man with acute left knee pain after being tackled during a sports game.

A 64-year-old woman with arm pain and history of chronic fatigue and pain.

A 31-year-old woman with left hand pain for several months.

A 33-year-old man with left elbow and wrist pain following an all-terrain vehicle accident.

A 39-year-old man with left knee pain and no history of trauma.

A 28-year-old woman with cervical spine tenderness after motor vehicle accident.

A 25-year-old woman with knee pain after an all-terrain vehicle accident.

A 70-year-old woman with subacute right upper back and shoulder pain.

A 19-year-old man with intermittent foot pain for one year.

A 58-year-old man with chronic low back pain and more recent lower-extremity pain.