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Paediatrics
intermediate
X-Type

Pediatric Acute Osteomyelitis

Musculoskeletal Infection

A 4-year-old boy presents with 4 days of fever, refusal to weight-bear, and localized tenderness over the proximal tibia. He was previously well with no history of trauma. Temperature is 39.2°C, and examination reveals point tenderness over the tibial metaphysis with overlying erythema. Laboratory studies show WCC 16,000/μL, CRP 85 mg/L, and ESR 55 mm/hr. Blood cultures are pending. Regarding acute hematogenous osteomyelitis in children:

Mark each as TRUE or FALSE

A

Staphylococcus aureus is the most common causative organism across all age groups; Kingella kingae i...

B

The metaphysis is the most common site due to slow blood flow in sinusoidal capillary loops, relativ...

C

The diaphysis is the most common location for hematogenous osteomyelitis; Escherichia coli is the mo...

D

In children younger than 18 months, the metaphysis and epiphysis share a blood supply (transphyseal ...

E

Initial investigations include CRP (most sensitive for monitoring response), ESR (slower to normaliz...

Answer the questions to see explanations

Click T (True) or F (False) for each option