Echinococcosis MRI

Echinococcosis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Kalsang Dolma, M.B.B.S.[3]

Overview

Both MRI and CT scans can and are often used although an MRI is often preferred to CT scans when diagnosing cystic echinococcosis since it gives better visualization of liquid areas within the tissue.

MRI

Both MRI and CT scans can and are often used although an MRI is often preferred to CT scans when diagnosing cystic echinococcosis since it gives better visualization of liquid areas within the tissue. MRI is the best diagnostic technique to differentiate a parasitic lesion from more common hemangioma.

• Cysts appear as low signal intensity with a possible isointense component on T2-weighted images.
• Pathognomonic aspect of echinococcosis lesions resembling a honeycomb with a necrotic area is often demonstrated on T2-weighted images.

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