Echinococcosis MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mahshid Mir, M.D. [2] ; Cafer Zorkun, M.D., Ph.D. [3]; Kalsang Dolma, M.B.B.S.[4]

Overview

Both MRI and CT scan may be used to diagnose cystic echinococcosis. MRI is usually preferred over CT scan when diagnosing cystic echinococcosis since MRI gives better visualization of cystic areas within the tissue.

Both MRI and CT scan may be used to diagnose cystic echinococcosis. MRI is usually preferred over CT scan when diagnosing cystic echinococcosis since MRI gives better visualization of cystic 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.