A patient with sickle cell disease is most likely to have osteomyelitis due to which organism?

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Multiple Choice

A patient with sickle cell disease is most likely to have osteomyelitis due to which organism?

In sickle cell disease, bone infection is most strongly linked to Salmonella species because the bone injury from sickling creates infarcts that can harbor bacteria, and Salmonella has a particular tendency to seed and persist in damaged bone during bacteremia. Staphylococcus aureus is the most common cause of osteomyelitis overall, but the pattern in sickle cell patients is a shift toward Salmonella. Escherichia coli and Pseudomonas aeruginosa can cause osteomyelitis in other settings, but they are less typical in the sickle cell context—E. coli usually associates with urinary or neonatal infections, and Pseudomonas with puncture wounds or hospital-related infections. So, the organism most likely responsible for osteomyelitis in a patient with sickle cell disease is Salmonella.

In sickle cell disease, bone infection is most strongly linked to Salmonella species because the bone injury from sickling creates infarcts that can harbor bacteria, and Salmonella has a particular tendency to seed and persist in damaged bone during bacteremia. Staphylococcus aureus is the most common cause of osteomyelitis overall, but the pattern in sickle cell patients is a shift toward Salmonella. Escherichia coli and Pseudomonas aeruginosa can cause osteomyelitis in other settings, but they are less typical in the sickle cell context—E. coli usually associates with urinary or neonatal infections, and Pseudomonas with puncture wounds or hospital-related infections. So, the organism most likely responsible for osteomyelitis in a patient with sickle cell disease is Salmonella.

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