ORTHOPAEDICS SURGERY: BONE INFECTIONS

BONE INFECTIONS

BY: SULEIMAN NDORO JNR (DR AUDI)

CHOOSE ONE ANSWER IN THE FOLLOWING QUESTIONS

1. Regarding acute haematogenous osteomyelitis, which statement is incorrect?

A.    It is invariably a disease of children
B.     Sickle cell disease is a predisposing factor

C.     Organisms in children usually settle in the diaphysis
D.    Staphylococcus aureus is the most common organism

2. In adults, acute haematogenous osteomyelitis is more common in ___________

A.    Thoracolumbar vertebral bodies
B.     Long bones
C.     Cranium
D.    Epiphysis

3. Which of the following is not a feature of acute osteomyelitis?

A.    Involucrum
B.     Brodie's abscess
C.     Sequestrum
D.    Subperiosteal abscess

4. Which of the following is false about pathogenesis of acute osteomyelitis?

A.    Involucrum is usually obvious by the end of the second week
B.     Suppuration is the earliest change
C.     Sequestrum may be due to rising intraosseus pressure or vascular stasis
D.    Growth plate acts as a barrier to direct spread in older children

5. Which is the gold standard for the diagnosis of acute osteomyelitis?

A.    X-rays
B.     Radioscintigraphy
C.     MRI
D.    Bone biopsy