Musculoskeletal Ultrasound Video Challenge

This 63-year-old female presents with pain, swelling, and warmth of her left knee following an intra-articular injection of cortisone two days prior. Please examine the area of swelling along the left distal femur and knee with sonography.

This 62-year-old male presents with an exophytic mass over his right lateral chest wall that has progressively enlarged over a period of several months. Please use sonography to examine the soft tissues of his right chest.

This 4-year-old patient presents with fever and lethargy, without a clear infectious source. Preparing for image-guided lumbar puncture, what relevant anatomic landmarks can be identified using ‪#‎ultrasound?

This 77-year-old female presents with right shoulder pain after she fell off her bed. Using ‪#‎ultrasound, please evaluate the right glenohumeral joint for pathology.

This 24-year-old female presents with anterior right ankle pain following a basketball game. Using ultrasound, please evaluate for right anterior ankle pathology.

This 45-year-old male presents following a bicycle accident with trauma to his right proximal tibia. Local tenderness and swelling are noted. Using ‪ultrasound, what is the most likely diagnosis?

This 24-year-old female presents complaining of tingling in her right hand. Please evaluate her carpal tunnel and median nerve.

This 72-year-old female presents following a mechanical fall with severe pain and swelling in her left mid-femur region. Using ultrasound, what is the most likely diagnosis?