presentation2.pptx. posterior fossa tumour
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Imaging of posterior fossa (Infra-tentorial) tumour
By Dr/ ABD ALLAH NAZEER. MD.
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POSTERIOR FOSSA INTRA-VENTRICULAR TUMOURS.
1- Medulloblastoma.2- Ependymoma 3- Choroid plexus papilloma.
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CT and MRI of medulloblastoma.
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CT and MRI of medulloblastoma
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choroid plexus papilloma (CPP) at the 4th and 3rd ventricles (Ct and MRI images
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choroid plexus papilloma, MRI images
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Brain Stem Lesions.
Glioma.Ganglioganglioma.Astrocytoma.
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Mid brain glioma
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Ganglioglioma of the Brainstem, extending to the cerebellar vemis.
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Ganglioglioma of the Brainstem, extending to the cervical cord.
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Brain stem cystic pilocytic astrocytoma.
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Tectum and cerebellum.
Pilocystic astrocytoma.Medulloblastoma.Hemangioblastoma.Tectal glioma.
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Tectal plate Glioma.
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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). LocationsPredominant locations include the cerebellum and spinal cord. CausesHemangioblastomas can occur "sporadically", or as a component of the von Hippel-Lindau disease (VHL).
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Hemangioblastoma of the left cerebellum.
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Hemangioblastomas in von Hippel-Lindau Disease
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Hemangioblastoma, extending to the upper cervical region
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Juvenile pilocytic astrocytoma (JPA).
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Pilocytic Cerebellar Astrocytoma
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Pilocytic astrocytoma
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Acoustic Neuroma MRI Findings.
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Epidermoid
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Vertebrobasilar Dolichoectasia.
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petrous apex cholesterol granuloma
DWI
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Metastasis from cancer breast.
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Metastasis from bronchogenic carcinoma.
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Metastasis from renal carcinoma.
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Posterior fossa cerebellar metastasis in adult.
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