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BRAINTUMOR医学教学课件.ppt


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文档列表 文档介绍
Brain tumor
第1页,共72页。
What is brain tumor?
Intracranial tumor
Craniocerebral tumor
第2页,共72页。
Brain tumors es with age
Adults: gliomas, meningiomas.
80-85% supratentorial compartment.
15-20% infratentorial compartment.
Children: medulloblastomas, cerebellar astrocytomas
40% supratentorial compartment.
60% infratentorial compartment.
第8页,共72页。
distribution of primary brain tumors
第9页,共72页。
6. Incidence of distribution of all gliomas by histology subtype
第10页,共72页。
Etiology
What factors can cause brain tumors?
factors
factors
factors
factors
第11页,共72页。
clinical manifestations
depend on the site of the tumors and the speed of growth
1. Features of increased intracranial pressure
1)headache
2) Vomiting
3) Papilloedema
第12页,共72页。
symptoms and signs
depends on the anatomical site
whether the tumor effect is irritative or destructive.
1)Benign: slow growing, mild edema
2)Malignant: fast growing, aggressive, severve edema
第13页,共72页。
3. clinical manifestations of lesions in the cerebral hemisphere
Epilepsy
Mental symptoms
Motor disorder
Sensory disturbance
Aphasia
Visual field defects
第14页,共72页。
Epilepsy
partial seizures
simple partial seizure
complex partial seizure
generalized seizure
第15页,共72页。
Paralysis
Muscle strength grading scale
0/5
No contraction
1/5
Visible/palpable muscle contraction but no movement
2/5
Movement with gravity eliminated
3/5
Movement against gravity only
4/5
Movement against gravity with some resistance
5/5
Movement against gravity with full resistance(normal)
第16页,共72页。
Aphasia
agraphia
motor aphasia
Broca’s area
Wernicke’s area
alexia
sensory aphasia
第17页,共72页。
4. Clinical manifestations of lesions in the sellar region
Decreased vision
Visual field defects
Endocrinological symptoms
hypopituitarism
Hyperprolactinemia
Acromegaly/g

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  • 页数72
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  • 文件大小12.79 MB
  • 时间2022-08-03