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17 Cards in this Set
- Front
- Back
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Diseases of bones part 3 infection, fractures
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etiology of osteomyelitis is?
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pyogenic organisms, mainly staphyloccocus aures
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route of infection includes?
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hematogenous spread- most common
-direct penetration- less frequent e.g wounds, fractures |
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Pathology of ostemyelitis:
NE appearance is? |
initial suppurative lesion at metaphysis (most vascular part
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pathology cont..
1. spread of infection to? 2. ischemic bone necrosis 3. seperation of necrotic bone into ? 4. subperiosteal new bone formation around zone of inflammation called? |
1. epiphysis, medullary cavity, cortex of compact bone, rupture into sinus tract of skin
2. incr pressure, isolate more bone from bl supply 3. sequestrum 4. involucrum |
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clinical feature include?
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malaise, fever, chills and leukocytosis
2. bone pain (throbbing pain) usually intense |
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clinical feature include?
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malaise, fever, chills and leukocytosis
2. bone pain (throbbing pain) usually intense |
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diagnosis of osteomyelitis include?
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X-ray
blood culture biopsy and bone culture bone scan MRI |
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diagnosis of osteomyelitis include?
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X-ray
blood culture biopsy and bone culture bone scan MRI |
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Treatment of osteomyelitis includes?
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1. antibiotics (vigorous and prolonged
2. surgery 3. hyperbaric O2 therapy |
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Treatment of osteomyelitis includes?
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1. antibiotics (vigorous and prolonged
2. surgery 3. hyperbaric O2 therapy |
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Complications of ostemyelitis includes?
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1. chronic osteomyelitis
2. pathological fracture 3. direct spread of infection: arthritis 4. blood spread: septicemia 5. secondary amyloidosis |
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Types of bone fractures are?
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1. simple (closed- intact overlying skin
2. compound- (opened): disrupted skin 3. complete-thru bone 4. incomplete- greenstick fracture 5. comminuted: bone breaks 3/more parts 6. traumatic: mechanical injury of norm bone 7. spontaneous: pathological-abn bone ex;tumor |
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Complications of ostemyelitis includes?
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1. chronic osteomyelitis
2. pathological fracture 3. direct spread of infection: arthritis 4. blood spread: septicemia 5. secondary amyloidosis |
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Types of bone fractures are?
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1. simple (closed- intact overlying skin
2. compound- (opened): disrupted skin 3. complete-thru bone 4. incomplete- greenstick fracture 5. comminuted: bone breaks 3/more parts 6. traumatic: mechanical injury of norm bone 7. spontaneous: pathological-abn bone ex;tumor |
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Healing of fractures include?
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1. hematoma- rupt of bl vessel at site of fracture
2. organize of hematoma--procallus 3. diff of local mesenchymal cells into chondroblasts- fibrocartilagenous callus 4. removal internal callus by osteoclasts--leaving intermediate-permanent callus 5. remodeling of permanant callus |
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a bone that does not heal is called? that may create a false joint or?
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1.non union fracture
2. pseudoarthrosis |
