
課前核心知識:
Brain anatomy: lobes, basal ganglion, brainstem.
Essential knowledge: mass effect, brain tissue edema, atrophy
CT density
MRI signal intensity of every pulse sequences
Head injury 核心知識:
五種出血型態、
Coup, contre-coup
Delayed hemorrhage or edema
Chronic SDH
Stroke or CVA (cerebrovascular accident)
腦中風 或 稱 腦血管意外
先備知識:
Small vessels (penetrating arteries)
Large arteries: extracranial arteries, intracranial arteries.
Atherosclerosis of large arteries
Arteriosclerosis of small vessels (penetrating arteries)
Small vessel diseases
(leukoaraiosis, lacunar infarction,
microbleeds, ICH)
ICH:
Location and pathophysilogy of hypertensive ICH:
Deep
ICH:
putamen, thalamus, pons, cerebellum
due to hyaline arteriosclerosis of deep penetrating art.
Lobar ICH: due to amyloid angiopathy of medullary
art.
Non hypertensive ICH: AVM, aneurysm, hemangioma, tumor bleeding.
The Evolution of ICH in CT and MRI (ICH的吸收過程)
SAH:
Clinical symptoms of SAH
Location of aneurysms
由 CT出血型態臆測aneurysm 的位置
Ischemic strokes:
Pathophysiology of ischemic stroke:
Embolism
Cardiogenic, aortic arch, artery- to artery
In situ thrombosis
Penetrating arteries--- lacunar infarction
Large arteries---
Hypoperfusion
Border zone infarction