An Echinococcosis multilocularis presenting as a giant anterior cranial basilar tumor

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Cerebral alveolar hydatid disease is a rare subtype of Echinococcus, and prevalent in northern China and Tibetan area. In this report, we presented a giant lesion of Echinococcus multilocularis which located in anterior cranial fossa, and discussed its clinicopathological and radiological features, and strategy of treatment.