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CASE REPORT
Dural sinus filling defect: intrasigmoid encephalocele
  1. Ozan Karatag1,
  2. Murat Cosar2,
  3. Betul Kizildag1,
  4. Halil Murat Sen3
  1. 1Radiology Department, Onsekiz Mart University, School of Medicine, Canakkale, Turkey
  2. 2Neurosurgery Department, Onsekiz Mart University, School of Medicine, Canakkale, Turkey
  3. 3Neurology Department, Onsekiz Mart University, School of Medicine, Canakkale, Turkey
  1. Correspondence to Betul Kizildag, dr.betulkizildag{at}hotmail.com

Summary

Filling defects of dural venous sinuses are considered to be a challenging problem especially in case of symptomatic patients. Many lesions have to be ruled out such as sinus thrombosis, arachnoid granulations and tumours. Encephalocele into dural sinus is also a rare cause of these filling defects of dural sinuses. Here, we report an extremely rare case with spontaneous occult invagination of temporal brain tissue into the left sigmoid sinus and accompanying cerebellar ectopia.

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