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Brain (CT, MRI & Angiography)
時間: 授課教師:薛俊仁 醫師 三軍總醫院 放射診斷部
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1.Frontal bone 2.Parietal bone 3.Dura mater 4.Arachnoid mater 5.Pia mater 6.Superior sagittal sinus 7.Superior cerebral vein 8.Arachnoid granulation
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Central sulcus 1.Frontal bone 2.Parietal bone 3.Sagittal suture
4.Dura mater 5.Arachnoid mater 6.Superior sagittal sinus 7.Falx cerebri 8.Subarachnoid space 9.Pia mater Central sulcus
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1.Frontal bone 2.Parietal bone 3.Skin and dense subcutaneous tissue 4.Epicranial aponeurosis (galea aponeurotica) 5.Pericranium 6.Branches of superficial temporal artery 7.Sagittal suture 8.Dura mater 9.Arachnoid mater 10.Superior sagittal sinus 11.Falx cerebri 12.Grey matter 13.White matter
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1.Frontal bone 2.Parietal bone 3.Skin and dense subcutaneous tissue 4.Epicranial aponeurosis (galea aponeurotica) 5.Temporalis 6.Pericranium 7.Branches of superficial temporal artery 8.Sagittal suture 9.Dura mater 10.Arachnoid mater 11.Superior sagittal sinus 12.Falx cerebri 13.Cingulate gyrus 14.Parieto-occipital sulcus 15.Corona radiata 16.Anterior cerebral artery (branches) 17.Postcentral gyrus 18.Central sulcus
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1.Frontal bone 2.Parietal bone 3.Skin and dense subcutaneous tissue 4.Epicranial aponeurosis (galea aponeurotica) 5.Temporalis 6.Pericranium 7.Branches of superficial temporal artery 8.Diploic vein 9.Dura mater 10.Arachnoid mater 11.Sagittal suture 12.Superior sagittal sinus 13.Lunate sulcus 14.Falx cerebri 15.Cingulate gyrus 16.Postcentral sulcus 17.Central sulcus 18.Roof of body of lateral ventricle 19.Corona radiata 20.Corpus callosum 21.Longitudinal fasciculus (cortico cortical fibres) 22.Anterior cerebral artery (branches) 23.Forceps minor 24.Cingulate sulcus 25.Inferior sagittal sinus
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1.Frontal bone 2.Parietal bone 3.Sutural bone 4.Skin and dense subcutaneous tissue 5.Epicranial aponeurosis (galea aponeurotica) 6.Temporalis 7.Pericranium 8.Branches of superficial temporal artery 9.Occipital vein 10.Superior sagittal sinus 11.Falx cerebri 12.Straight sinus 13.Parieto-occipital sulcus 14.Optic radiation 15.Chorlid plexus 16.Posterior horn lateral ventricle 17.Splenium of corpus callosum 18.Lateral sulcus (Sylvian fissure) 19.Third ventricle 20.Middle cerebral artery (branches) 21.Postcentral sulcus 22.Central sulcus 23.Arachnoid mater 24.Dura matter 25.Thalamostriate vein 26.Body of lateral ventricle 27.Body of caudate nucleus 28.Frontal horn of lateral ventricle 29.Septum pellucidum 30.Insula 31.Claustrum 32.Putamen 33.Internal capsule 34.Circular sulcus 35.Genu of corpus callosum 36.Anterior cerebral artery (branches) 37.Forceps minor 38.Cingulate sulcus 39.Supra-orbital artery
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1.Supra orbital artery 2.Frontal belly of occipitofrontalis 3.Frontal sinus 4.Frontal bone 5.Parietal bone 6.Middle meningeal artery and vein 7.Branch of temporal artery 8.Sliver of squamous part of temporal bone 9.Skin and dense subcutaneous tissue 10.Epicranial aponeurosis (galea aponeurotica) 11.Temporalis 12.Pericranium 13.Dura matter 14.Arachnoid mater 15.Occipital artery 16.Squamous part of occipital bone 17.Superior sagittal sinus 18.Occipital lobe 19.Falx cerebri 20.Calcarine sulcus 21.Straight sinus 22.Great cerebral vein 23.Fornix 24.Internal cerebral vein (branches) 25.Pulvinar of thalamus 26.Optic radiation 27.Medial nucleus of thalamus 28.Third ventricle 29.Ventroposterior thalamic nucleus 30.Circular sulcus 31.Globus pallidus-internal segment 32.Globus pallidus-enternal segment 33.Choroid piexus in interventricular foramen (Monro) 34.Claustrum 36.Insula 36.Putamen 37.Middle cerebral artery (branches) 38.Anterior limb of internal capsule 39.Caudate nucleus-head 40.Corpus callosum 41.Anterior cerebral artery 42.Frontal horn of lateral ventricle 43.Frontal lobe
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Frontal lobe: precentral gyrus
Central sulcus: Parietal lobe: post central gyrus F P
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Brain Cerebrum (frontal, parietal, temporal, occipital lobe)
Cerebellum (hemispheres, vermis) Midbrain Pons Medulla oblongata Cervical cord
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Midbrain (9) Pons (6) Medulla oblongata (5) Cervical cord (4)
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Central sulcus Cingulate sulcus Parieto-occipital sulcus Cerebellum tentorium
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Cranial nerves CN2 CN3 CN5 CN7&8 CN12
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ACA MCA PCA
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CT
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CT angiography Common carotid artery Internal carotid artery
Vertebral artery Basilar artery Anterior cerebral artery Middle cerebral artery Posterior cerebral artery
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Intracranial Hemorrhage
Epidural hematoma Subdural hematoma Subarachnoid hemorrhage Parenchymal hematoma Intraventricular hemorrhage 26
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Intraventricular hemorrhage
F21, Sudden onset intractable headache nausea & vomiting – an AVM supplied by right MCA 27
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Brain tumor: meningioma
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F54 sudden onset right limb weakness
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TAE MMA
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Navigator MR , 7 days after TAE
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Follow up 4 month later One and half years later
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Ischemic infarction Hyperdense MCA sign
F68 right upper and lower limb weakness – left MCA territory infarct Follow up 2 days later 34
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Acute left MCA infarct ACA MCA
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For comparison Posterior circulation Acute infarct involving posterior circulation
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MRI-磁振造影基礎序列(sequence): 提供不同軟組織對比
T1-weighted image T2-weighted image FLAIR DWI T1 權重影像 T2權重影象 液體衰減影象 水分子擴散影象 37
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ICA AP view Lateral view
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Posterior circulation:
-Vertebral artery (VA); 1,2 -Basilar artery (BA); 5 -Posterior inferior cerebellar artery (PICA); 4 -Anterior inferior cerebellar artery (AICA); 6 -Superior cerebellar artery (SCA); 8 -Posterior cerebral artery (PCA); 9 -Posterior communicating artery (Pcom A); 10
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External carotid artery
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Pial arteriovenous fistula with ICH
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Digital-Subtraction cerebral Angiography (DSA)
Invasive study; CTA普遍運用後,角色轉為TAE procedure 的一部分或CTA所給資訊不足時的輔助工具。 Bi-planes angiographic machine 亦可提供 3D 立體影像,並作為Pre-procedure planning。
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CTA vs 3D DSA vs MRA
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Corpus callosum Midbrain Pons Medulla Pituitary gland Cervical cord
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Thanks for your attention
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