title: Fetal magnetic resonance imaging of an intracranial venous thrombosis. Case report.
abstract: OBJECTIVE
  To describe the magnetic resonance imaging findings of an antenatal intracranial venous thrombosis.
  
  
  METHODS
  Prenatal ultrasound (US) at 22 weeks' gestational age (GA) in a 27-year-old patient (G2 P1) revealed a nonspecific avascular echogenic mass above the cerebellum evaluated with MRI at 23 weeks' GA.
  
  
  RESULTS
  With MRI an enlarged occipital pericerebral space with a layered ovoid mass at the torcular herophili was demonstrated and MRI characteristics suggested a subacute cloth. In follow-up, an important enlargement of the mass was noticed on US examinations. After multidisciplinary consult and parental consent, a prostaglandin induction was performed at 25 weeks' GA. The baby died immediately after birth. Pathology confirmed the diagnosis of a venous thrombosis at the torcular herophili with extension into the superior sagittal sinus.
  
  
  CONCLUSIONS
  In our case, MRI findings were helpful in diagnosing an intracranial fetal venous thrombosis.
authors.affiliation: Department of Radiology, University Hospitals Gasthuisberg, Leuven, Belgium. luc.breysem@uz.kuleuven.ac.be
authors.forename: Luc
authors.initials: L
authors.lastname: Breysem
authors.forename: Ingrid
authors.initials: I
authors.lastname: Witters
authors.forename: Bernard
authors.initials: B
authors.lastname: Spitz
authors.forename: Philippe
authors.initials: P
authors.lastname: Moerman
authors.forename: Maria Helena
authors.initials: MH
authors.lastname: Smet
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D020767:Intracranial Thrombosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D011247:Pregnancy; D011296:Prenatal Diagnosis; D016216:Ultrasonography, Prenatal; D020246:Venous Thrombosis / Q000175:diagnosis* / Q000000981:diagnostic imaging