A 23-year-old man presented to the emergency department after persistent right knee pain after a fall two months ago.

A 32-year-old man presented with right elbow pain.

An 82-year-old man with a history of prostate cancer presented due to rising prostate-specific antigen.  

A 41-year-old man presented to the emergency department with a one-month history of pain localized to the left flank, hip, and groin.      

A 37-year-old man presented with right shoulder weakness and pain.

A female term neonate was noted at birth to have a deformity of her left lower limb/ankle with an anterolateral tibial bow associated with marked varus angulation and procurvatum.

A 10-year-old girl presented with bilateral knee pain. 

A 49-year-old woman presented with left hip pain after falling downstairs.

A 78-year-old woman presented with back and hip pain for a period of months, with no history of trauma.

A 57-year-old pedestrian struck by a motor vehicle.

A 78-year-old woman with mild hip tenderness after fall.

A 68-year-old woman with atraumatic, severe right hip pain.

A 55-year-old man with a slowly enlarging, painless mass in his left calf.

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

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

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 27-year-old man with right knee pain after slipping at a concert.