A 2-week-old newborn presents with fever, irritability, and…

A 2-week-old newborn presents with fever, irritability, and decreased movement of the left leg. On examination, the left thigh appears swollen, warm, and tender to touch. Blood tests show an elevated white blood cell count and C-reactive protein (CRP). Blood cultures grow Staphylococcus aureus.

A 13-year-old male soccer player visits the clinic complaini…

A 13-year-old male soccer player visits the clinic complaining of knee pain that has been worsening over the past few months. He reports that the pain is located just below the kneecap and becomes more intense after running, jumping, or kneeling. On examination, there is tenderness and swelling over the tibial tuberosity. The patient has no history of trauma but mentions that he has been training more frequently for an upcoming tournament. Based on the patient’s symptoms and history, what is the most likely diagnosis,