Dural sinus occlusive disease

Dural sinus occlusive disease (DSOD) is an infective form of dural sinus thrombosis (thrombophlebitis) commonly seen in the setting of acute otomastoiditis. It typically presents with:

The diagnosis can be difficult to make, even with MRI, due to the frequent artefacts of flow, and the enhancement of the thickened dura mater and also potentially of the clot itself. However, the demonstration of normal flow in the dural venous sinus essentially excludes the diagnosis.

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Article information

rID: 1246
Section: Pathology
Synonyms or Alternate Spellings:
  • Dural sinus occlusive disease (DSOD)
  • DSOD

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