LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY LIVING ART ENTERPRISES / SCIENCE PHOTO LIBRARY
This coronal (from the front) T1 weighted MR image of the head without contrast enhancement shows a cystic lesion in the temporal-occipital region of the brain on the viewers right. The cyst is dark and the surrounding low signal is the inflammatory edema. The small nodule within the cyst is the scolex (head of the pork tapeworm). 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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