MEDLINE Journals

    Venous malformation in the posterior fossa: guidelines for treatment.

    Mori K, Seike M, Kurisaka M, et al. 
    Acta Neurochir (Wien) 1994; 126(2-4) :107-12.

    Venous malformations in the posterior fossa are relatively rare. Although the introduction of CT and MRI has made them easier to detect, their treatment is still controversial. Based on our experience with six patients and a review of the literature, we have tried to establish guidelines for their treatment. Since they have a benign natural course and may provide venous drainage in the posterior fossa, venous malformation found incidentally, unruptured venous malformation with nonhaemorrhagic complications, and those accompanied by small intracerebellar haematoma of less than 2 cm in diameter due to their rupture, should be treated conservatively unless they are associated with a coexistent malformation. Venous malformation with intracerebellar haematoma larger than 3 cm or reexpansion of the haematoma due to rebleeding should be treated surgically by evacuation of the haematoma. Resection of venous malformations in the posterior fossa should be restricted to cases in which the malformation is small and does not serve as a functional venous drainage route. Radiation therapy, including the "gamma-knife", may be a treatment of choice in the future.

    Cerebral Angiography
    Cerebral Ventricles
    Child, Preschool
    Cranial Fossa, Posterior
    Follow-Up Studies
    Intracranial Arteriovenous Malformations
    Magnetic Resonance Imaging
    Middle Aged
    Postoperative Complications
    Tomography, X-Ray Computed


    Pub Type(s)
    Case Reports Journal Article
    PubMed ID


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