山东第一医科大学（泰山医学院）：《医学影像学》课程教学资源（授课教案）5.CNS1

Teaching Plan Name:Yu Guang-hui Academic Year:2012-2013 Term:2 Date:2013.3.22 Period:3-4

Teaching Plan Name: Yu Guang-hui Academic Year: 2012-2013 Term: 2 Date: 2013.3.22 Period: 3-4

2010MBBSAutumn Textbook Diagnostic Imaging Specialty and Stratification (international students) Content CNS1 Teaching hours2 Objectives To introduce CT,MRI anatomy of CNS Key points CT&MRI imaging PB可 Basic palters of abnormalities Content for self study Medical imaging technique Teaching equipment multimedia Related knowledge Medical imaging technique,anatomy.pathology,medicine.surgery Teaching methods Heuristic method \discuss Outlines requirements and time allocation Techniques examination technique ◆X-ray plain film 5mi DSA(digital subtraction angiograpy) n ●CT(computed tomography） Smin MRI(magnetic resonance imaging) 5min Image acquisition 5min Spinal technique brain application cord time 5min Plain film invisible invisible elimination Emergency CT nvisible fast radiology MRI visible visible low others DSA vessels vascular diseases

Textbook Diagnostic Imaging Specialty and Stratification 2010MBBSAutumn (international students) Content CNS1 Teaching hours 2 Objectives To introduce CT、MRI anatomy of CNS Key points CT&MRI imaging Points difficult to understand Basic patterns of abnormalities Content for self study Medical imaging technique Teaching equipment multimedia Related knowledge Medical imaging technique, anatomy, pathology, medicine, surgery Teaching methods Heuristic method \discuss Outlines, requirements and time allocation Techniques : examination technique ⚫ X-ray plain film ⚫ DSA(digital subtraction angiograpy) ⚫ CT( computed tomography) ⚫ MRI(magnetic resonance imaging) technique brain Spinal cord Image acquisition time application Plain film invisible invisible elimination CT visible invisible fast Emergency radiology MRI visible visible low others DSA vessels vascular diseases 5mi n 5min 5min 5min 5min

CT and MR anatomy of CNS: Grey and white matter(Corona radiate) 5min ·The brain 10min a、the brain stem b、the cerebellum c、the forebrain ●Basal ganglia 5min ·Meninges 5min dura mater the outer layer arachnoid mater the middle layer ●Pia mater the inner layer inseparable from the brain 5min Ventricular system and cerebrospinal fluid cistem Cistern:At several sites where the surface of the brain is deeply 5min fissured,the subarachnoid space is wider than at other sites. ●Pituitary gland 5min MR thin slice scan Coronal and sagittal scan Height:<7millimeter Superior margin:flat or depressed Pituitary stalk:<4millimeter Basic abnormalities ·Nomal calcification 5min pineal body、cerebral falx、choroid plexus、globus pallidus Contrast enhancement 5min pituitary gland、pineal body、dura、choroid plexus Abnormal changes of CT scan 10min a、hyperdense:calcification、hemorrhage、tumor b、hypodense:edema、tumor、cystis、necrosis

CT and MR anatomy of CNS: ⚫ Grey and white matter( Corona radiate) ⚫ The brain a、the brain stem b、the cerebellum c、the forebrain ⚫ Basal ganglia ⚫ Meninges dura mater the outer layer arachnoid mater the mid dle layer ⚫ Pia mater the inner layer inseparable from the brain ⚫ Ventricular system and cerebrospinal fluid cistern ⚫ Cistern：At several sites where the surface of the brain is deeply fissured, the subarachnoid space is wider than at other sites. ⚫ Pituitary gland MR thin slice scan Coronal and sagittal scan Height:<7millimeter Superior margin: flat or depressed Pituitary stalk:<4millimeter Basic abnormalities ⚫ Normal calcification pineal body 、cerebral falx、choroid plexus、globus pallidus ⚫ Contrast enhancement pituitary gland、pineal body、dura、choroid plexus ⚫ Abnormal changes of CT scan a、hyperdense：calcification、hemorrhage、tumor b、 hypodense ：edema、 tumor 、cystis、necrosis 5min 10min 5min 5min 5min 5min 5min 5min 5min 10min

lipoma、fluid c、isodense:chronic hamorhage、tumor dheterogeneous density Abnormal change of MRI ●T1WI: 5min a.hyperintensity:fat or lipoid,melanin,constrast medium b.hypointensity:edema、fluid、tumor fibrosis and calcification ·T2W1: 5min a.hyperintensity:edema,fluid、tumor、 b.hypointensity fibrosis and calcification melanin ●mass effect 5min

lipoma、 fluid c、 isodense ：chronic hamorrhage、 tumor d、heterogeneous density Abnormal change of MRI ⚫ T1WI： a. hyperintensity：fat or lipoid、melanin、constrast medium b. hypointensity：edema、fluid、tumor fibrosis and calcification ⚫ T2WI： a. hyperintensity ： edema、fluid、tumor 、 b. hypointensity ： fibrosis and calcification 、 melanin ⚫ mass effect 5min 5min 5min