LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY
This sagittal (from the side) T1 weighted MR image of the head with contrast enhancement shows a cystic lesion in the temporal-occipital region of the brain. The cyst is dark and the surrounding low signal is the inflammatory edema. There is peripheral enhancement along the wall of the cyst compatible with active infection. This is a lesion related to infection from eggs of the pork tapeworm (taenia solium). This is the most common parasitic infection worldwide. The are parenchymal and extra-parenchymal forms of this infection. Multiple, different stages of infection can be determined best by MRI.
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