MSK Quiz#23, Avascular Necrosis of Bone and Hip Pathology  

1. A 45-year-old male with a history of chronic alcoholism and steroid use for asthma presents with hip pain. Radiographs show collapse of the left femoral head. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. During a pediatric surgery rotation, a medical student learns about a condition that leads to avascular necrosis of the femoral head, commonly seen in children between 4 and 8 years old. Which of the following conditions is being described? 

Question 2 of 5

3. A 32-year-old woman presents with a sudden onset of left hip pain after a long-haul flight. She has a history of oral contraceptive use. Which of the following risk factors is most likely contributing to her condition? 

Question 3 of 5

4. A patient with sickle cell disease complains of progressive hip pain. Imaging studies reveal collapse of the right femoral head. This patient's condition is most directly attributed to which of the following mechanisms? 

Question 4 of 5

5. Which of the following is the most common location for avascular necrosis to occur? 

Question 5 of 5


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