“Osteomyelitis of the Foot” - Lieberman's eRadiology Learning Sites
“Osteomyelitis of the Foot” - Lieberman's eRadiology Learning Sites
“Osteomyelitis of the Foot” - Lieberman's eRadiology Learning Sites
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Our patient: diagnosis <strong>of</strong><br />
osteomyelitis<br />
Definition:<br />
Definition:<br />
infection <strong>of</strong> <strong>the</strong> bone marrow<br />
– Acute: Acute:<br />
evolves over days to weeks<br />
– Chronic: Chronic:<br />
evolves over months to years, years,<br />
with relapses<br />
Bacteria remain in sequestra, sequestra,<br />
where antibiotics cannot<br />
reach<br />
Route <strong>of</strong> spread<br />
– Contiguous spread<br />
Trauma, bone surgery, foreign body implant<br />
– Vascular insufficiency<br />
Diabetic foot ulcer<br />
– Hematogenous spread<br />
Nidus <strong>of</strong> infection, more <strong>of</strong>ten in children<br />
Risk factors<br />
– Drug abuse, abuse,<br />
trauma, HIV, transplant, diabetes, foreign bodies<br />
Source: Lew, Daniel and Francis Waldvogel. Lancet 2004. “Approach to imaging<br />
modalities in setting <strong>of</strong> suspected osteomyelitis. Up‐To‐Date, accessed 10‐14‐09. Applies to Mr. R
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