Multifocal inflammatory pseudotumor of the liver: dynamic gadolinium-enhanced, ferumoxides-enhanced, and mangafodipir trisodium-enhanced MR imaging findings.
case_report · Level V
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Abstract
The MRI characteristics of a multifocal inflammatory pseudotumor of the liver are described. Emphasis is placed on the appearances following intravenous administration of both non-specific and liver-specific MR contrast agents. On post-gadolinium gradient-echo (GE) images an early, intense, and peripheral enhancement was followed by a homogeneous, complete, and persistent enhancement. Lesions showed no uptake following administration of ferumoxides particles nor mangafodipir trisodium, respectively. During follow-up, a peripheral hyperintense rim appeared on precontrast T1-weighted images, a feature not previously described.
Medical subject headings
- Contrast Media
- Edetic Acid
- Granuloma, Plasma Cell
- Iron
- Liver
- Liver Diseases
- Magnetic Resonance Imaging
- Organometallic Compounds
- Oxides
- Pyridoxal Phosphate