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Related Experiment Videos

[Intraspinal hemangioblastomas].

M Hurth

    Neuro-Chirurgie
    |June 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    This review of 138 spinal haemangioblastomas clarifies tumor classification and location. Spinal angiography is crucial for surgical planning and treatment of these rare central nervous system tumors.

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    [Dynamic MRI in the evaluation of syringomyelic cysts].

    Neuro-Chirurgie·1999

    Area of Science:

    • Neurology
    • Neurosurgery
    • Pathology

    Background:

    • Haemangioblastomas are rare tumors of the central nervous system with debated microscopic anatomy and uncertain histogenesis.
    • Often linked to von Hippel-Lindau disease, an hereditary factor is present in 25% of cases, particularly with multifocal lesions.

    Observation:

    • A review of 138 spinal haemangioblastomas (30 original cases) details 17 extradural and 121 subdural tumors.
    • Subdural tumors are located extradurally, on posterior roots, or within the spinal cord, predominantly in the cervicodorsal and dorsolumbar regions.
    • Associated cysts are present in nearly 50% of cases; clinical presentation is often non-specific, with syringomyelia in 25%.

    Findings:

    • Spinal angiography is vital for diagnosis, differentiating haemangioblastomas from arteriovenous malformations via a characteristic 'dark blush'.

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  • Feeding vessels typically arise from the posterior spinal system.
  • Total surgical removal is the primary treatment, facilitated by accurate localization via angiography and microsurgical techniques.

    • Implications:

    • Accurate preoperative localization using spinal angiography and potential embolization improves surgical outcomes for spinal haemangioblastomas.
    • Despite advances, challenges in typing tumor cells and understanding histogenesis remain.
    • Further research is needed to fully elucidate the pathogenesis and optimize treatment strategies for these complex tumors.