soft tissue inflammatory disease
DESCRIPTION
Soft Tissue Inflammatory Disease. Soft Tissue Inflammatory. Multiple modalities X-ray Ultrasound CT MRI Nuclear Medicine. Soft Tissue Inflammatory. Multiple modalities X-ray Evaluate for mass Evaluate for soft tissue air Evaluate for bone involvement. Soft Tissue Inflammatory. - PowerPoint PPT PresentationTRANSCRIPT
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Soft Tissue Inflammatory Disease
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Soft Tissue Inflammatory
• Multiple modalities– X-ray– Ultrasound– CT– MRI– Nuclear Medicine
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Soft Tissue Inflammatory
• Multiple modalities– X-ray
• Evaluate for mass• Evaluate for soft tissue air• Evaluate for bone involvement
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Soft Tissue Inflammatory
• Multiple modalities– Ultrasound
• Soft tissue changes• Fluid• Air with shadowing
– CT• Soft tissue changes• Dirty fat (edema in fat)• Soft tissue air
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Soft Tissue Inflammatory
• Multiple modalities– MRI
• Likely best for imaging of soft tissue inflammatory changes
• Evaluate for fluid collections• Evaluate for edema
– Nuclear Medicine• Labeled white cells• Identify areas of active infection
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Thumb Abscess
• Soft tissue swelling• Central air collection
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Soft Tissue Abscess• Abscess quite similar to
adjacent soft tissues• Very hard to identify on
standard radiographs• US, CT and MRI most
effective imaging technique
• Abscess lower signal on T1 images
• High signal on proton density and T2 images
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Inflamed Lipoma• Rim like zone on T1• Fluid signal on Stir• Ring enhancement on C+
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Peri-anal Abscess
• MRI fluid sensitive sequence
• Peri-anal abscess• Fistula tract
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Brain Inflammatory Disease
• Encephalitis• Brain abscess
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HIV Encephalitis
• High signal areas involving white matter• Multiple bilateral areas of involvement
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Brain Abscess• Ring enhancement due to breakdown of
blood brain barrier• Ring enhancement may be thinner on side
towards ventricles