Fractures, Osteomyelitis, and Osteonecrosis

Question 1

Pt comes into the ER during a painful sickle cell crisis. Biopsy of the bone in the affectd leg reveals hypercellular bone marrow. Dx?

Answer 1

Osteonecrosis

Question 2

What is the most likely cause of this dz?

Answer 2

Staphylococcus (80-90% of osteomyletis).

Question 3

13 yr old recent immigrant from Africa comes in with severe kyphosis. CT shows massive collapse of T9-L1 with kinking of the aort and spinal compression. Dx?

Answer 3

Potts dz

Question 4

35 yr old male comes in with fever, headache, malaise and a 10 lb weight loss. He also has a red rash that doesn’t itch on his chest, hands, and feet. What is most significant about this stage of dz?

Answer 4

All of the lesions are infectious and harbor active treponeme organisms. A patient with secondary syphilis is the most contagious