Neurosurgery notes/Tumours/Embryonal tumours

Embryonal tumours

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Status
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Parent item
Tumours
Sub-item
Medulloblastoma
Other CNS embryonal tumors
  • All has metastatic potential
    • Staging (by Chang et al 1969)
      • MRI examinations of CNS with contrast agent. + LP postoperative CSF cytology
        • M0
        No evidence of subarachnoid or haematogenous metastasis
        M1
        Microscopic tumour cells found in the CSF
        М2
        Gross nodular seeding demonstrated in the cerebellar/ cerebral subarachnoid space or in the third or lateral ventricles
        М3
        Gross nodular seeding in the spinal subarachnoid space
        M4
        Metastasis outside the cerebrospinal axis