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Presentation2.pptx. posterior fossa tumour

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  • 1. Imaging of posterior fossa (Infra-tentorial) tumour By Dr/ ABD ALLAH NAZEER. MD.
  • 2. POSTERIOR FOSSA INTRAVENTRICULAR TUMOURS. 1- Medulloblastoma. 2- Ependymoma 3- Choroid plexus papilloma.
  • 3. CT and MRI of medulloblastoma.
  • 4. CT and MRI of medulloblastoma
  • 5. choroid plexus papilloma (CPP) at the 4th and 3rd ventricles (Ct and MRI images
  • 6. choroid plexus papilloma, MRI images
  • 7. Brain Stem Lesions. Glioma. Ganglioganglioma. Astrocytoma.
  • 8. Mid brain glioma
  • 9. Ganglioglioma of the Brainstem, extending to the cerebellar vemis.
  • 10. Ganglioglioma of the Brainstem, extending to the cervical cord.
  • 11. Brain stem cystic pilocytic astrocytoma.
  • 12. Tectum and cerebellum. Pilocystic astrocytoma. Medulloblastoma. Hemangioblastoma. Tectal glioma.
  • 13. Tectal plate Glioma.
  • 14. Hemangioblastoma of the central nervous system is a benign tumor (WHO grade I) that is typically cystic and can occur throughout the central nervous system. It is a tumor composed of hemangioblasts, a type of stem cell that normally give rise to blood vessels or blood cells. Its name breaks down to Greek roots as follows: Haema (blood), angeion (vessel), blastos (embryonic), oma (tumor). Locations Predominant locations include the cerebellum and spinal cord. Causes Hemangioblastomas can occur "sporadically", or as a component of the von Hippel-Lindau disease (VHL).
  • 15. Hemangioblastoma of the left cerebellum.
  • 16. Hemangioblastomas in von Hippel-Lindau Disease
  • 17. Hemangioblasto ma, extending to the upper cervical region
  • 18. Juvenile pilocytic astrocytoma (JPA).
  • 19. Pilocytic Cerebellar Astrocytoma
  • 20. Pilocytic astrocytoma
  • 21. Acoustic Neuroma MRI Findings.
  • 22. Epidermoid
  • 23. Vertebrobasilar Dolichoectasia.
  • 24. petrous apex cholesterol granuloma DWI
  • 25. Metastasis from cancer breast.
  • 26. Metastasis from bronchogenic carcinoma.
  • 27. Metastasis from renal carcinoma.
  • 28. Posterior fossa cerebellar metastasis in adult.
  • 29. Thank You

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