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7 Cards in this Set
- Front
- Back
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True / False? :
The initial infection of osteomyelitis commences in metaphysis, extending to subperiosteal space, forming an abscess and stimulating new bone deposition: "The Sequestra" |
The "Sequestra" is where bone fragments that harbour bacteria are formed with necrosis of cortical bone.
The INVOLUCRUM is the answer: an infection / abscess in the subperiosteal space with new bone deposition |
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Bacterial causes for osteomyelitis ?
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1. Staphylococcus aureus
2. Streptococcus species 3. Gram negative species a. Pseudomonas b. enterobacteriaceae |
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Main mechanisms for osteomyelitis?
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1. Haematogenous spread ***
2. Trauma 3. Surgery 4. Vascular insufficiency 5. Diabetes |
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What is the Involucrum ?
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Area of abscess and new bone deposition in the subperiosteal space.
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What is the Sequestra?
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Necrosis of cortical bone, with bone fragments harbouring bacteria.
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Intravenous drug use is associated with
osteomyelitis in which atypical sites ? |
1. Spine
2. Clavicle |
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Imaging studies for Osteomyelitis?
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1. Plain XR
2. Nuclear medicine scans For established infection :
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