L5: Brain Tumors Flashcards
Def of Brain Tumors
Classification of Brain Tumors
Classification of Brain Tumors
- According to Anatomy
Anatomical Classification of Brain Tumors
- Tentorium
Classification of Brain Tumors
- Axial or Not
Classification of Brain Tumors
- Pathological
Most Common 1ry Brain Tumors
Gliomas
2nd Most common 1ry Brain Tumor
Meningiomas
Classification of Brain Tumors
- Affected Lobe
Incidence of Pediatric brain tumors
Most common Primary Brain Tumors
Sites & Types of Pediatric brain tumors
Supra-tentorial Pediatric brain tumors
- Astrocytoma
- Pineal tumors
- Craniopharyngioma
- PNET
Infra-tentorial Pediatric brain tumors
CP of Pediatric brain tumors
The presenting clinical features of posterior fossa neoplasms in children are related to:
- Raised intracranial pressure.
- Focal neurological signs.
CP of Brain Tumors
Increased ICP
Mass effect & Midline Shift
Functioning pituitary adenoma
Focal CP of Brain Tumors
Focal CP of Brain Tumors
- Frontal Lobe
- Contralateral UMNL weakness.
- Contralateral motor Jacksonian or generalized seizures.
- Expressive (Brocaβs) dysphasia.
- Personality changes.
Focal CP of Brain Tumors
- Temporal Lobe
Focal CP of Brain Tumors
- Occipital Lobe
Visual disturbances
- Contralateral cortical blindness.
- Visual hallucinations or agnosia.
- Photosensitivity seizures.
Focal CP of Brain Tumors
- Parietal Lobe
Sensory deficits
- Contralateral disturbed cortical sensation.
- Contralateral sensory or generalized seizures.
Focal CP of Brain Tumors
- Cerebellar
Disturbance in coordination and equilibrium.