Sunday 20 November 2011

Hypoplastic Superior sagittal sinus

Non contrast 2 D TOF MR Venogram:
Anterior portion of the SSS is hypoplastic, replaced by bilateral longitudinal frontal cortical veins which ultimately ending into rest of the superior sagittal sinus – a relatively uncommon anatomical variation, should not to be mistaken for thrombosis.
Note an associated hypoplastic left transverse sigmoid sinus. 

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