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  • Title: Epidermoid cyst of the fourth ventricle: diffusion-weighted and flair MR imaging findings.
    Author: Mermuys K, Wilms G, Demaerel P.
    Journal: JBR-BTR; 2008; 91(2):58-60. PubMed ID: 18549150.
    Abstract:
    Fourth ventricle epidermoid cysts are rare lesions, arising from epithelial remnants at the time of neural tube closure. They are well-defined CT hypoattenuated masses that resemble CSF on all conventional MR imaging sequences. We present a case of a pathological proven less common fourth ventricle epidermoid cyst with special emphasis on the use of FLAIR and EPI-DW imaging sequences in the diagnosis.
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