Case Study: Diagnostic Neuroradiology with the Altaire High Field OPEN MRI
ROLE OF MRI IN NEURORADIOLOGY AND HEAD & NECK IMAGING clinical... · role of mri in neuroradiology...
Transcript of ROLE OF MRI IN NEURORADIOLOGY AND HEAD & NECK IMAGING clinical... · role of mri in neuroradiology...
ROLE OF MRI IN ROLE OF MRI IN NEURORADIOLOGY AND NEURORADIOLOGY AND HEAD & NECK IMAGINGHEAD & NECK IMAGING
DR. LIAQUAT ALI KHANDR. LIAQUAT ALI KHANCONSULTANT RADIOLOGISTCONSULTANT RADIOLOGIST
BGHBGH
SEQUENCE OF PRESENTATIONSEQUENCE OF PRESENTATION
1.1. ADVANTAGES OF MRIADVANTAGES OF MRI2.2. DISADVANTAGES OF MRIDISADVANTAGES OF MRI3.3. LIMITATIONS OF MR IMAGELIMITATIONS OF MR IMAGE4.4. NEURORADIOLOGY NEURORADIOLOGY
1.1. BRAINBRAIN2.2. SPINESPINE
5.5. HEAD AND NECKHEAD AND NECK
MRIMRI
ADVANTAGESADVANTAGES
i.i. MULTIPLANARMULTIPLANARii.ii. EXCELLENT SOFT TISSUE EXCELLENT SOFT TISSUE
CONTRASTCONTRASTiii.iii. NO IONIZING RADIATIONNO IONIZING RADIATIONiv.iv. GADOLINIUM (NON GADOLINIUM (NON --
IODINATED)IODINATED)v.v. MRA (NON ENHANCED)MRA (NON ENHANCED)
DISADVANTAGESDISADVANTAGES
i.i. TIME CONSUMINGTIME CONSUMINGii.ii. COSTLYCOSTLYiii.iii. CLAUSTROPHOBIACLAUSTROPHOBIAiv.iv. PATIENT COPATIENT CO--OPERATIONOPERATIONv.v. SAFETY ISSUESSAFETY ISSUES
LIMITATIONS OF MR IMAGELIMITATIONS OF MR IMAGE
CALCIFICATIONCALCIFICATIONCORTICAL BONECORTICAL BONECHRONIC SINUS CHRONIC SINUS SECRETIONSSECRETIONSACUTE HEMORRHAGEACUTE HEMORRHAGE
BRAINBRAINNORMALNORMAL
T1W T2W PD FLAIR
BRAINBRAINTUMOURSTUMOURS
METASTASIS
BRAIN STEM GLIOMA
GLIOBLASTOMA
MENINGIOMA
BRAINBRAINTUMOURSTUMOURS
PITUITARY MICROADENOMA
PITUITARY MACROADENOMA MEDULLOBLASTOMA
BRAIN BRAIN INFECTION VS INFLAMMATIONINFECTION VS INFLAMMATION
ACUTE DISSEMINATED ENCEPHALOMYELITIS (ADEM)
HERPES ENCEPHALITISTB Meningitis
MRS BRAIN MRS BRAIN -- NORMALNORMAL
BRAINBRAINACUTE TRAUMAACUTE TRAUMA
DIFFUSE AXONAL INJURY
MRI FEATURES OF BRAIN MRI FEATURES OF BRAIN HEMORRHAGEHEMORRHAGE
STAGESSTAGES TIMETIME COMPARTMENTCOMPARTMENT HEMOGLOBINHEMOGLOBIN T1WT1W T2WT2W
HYPERACUTEHYPERACUTE < 24 < 24 HRS.HRS.
INTRACELLULARINTRACELLULAR OXYOXY--HbHb ISOINTENSEISOINTENSE ISOINTENSEISOINTENSE
ACUTEACUTE 11--3 DAYS3 DAYS INTRACELLULARINTRACELLULAR DEOXYDEOXY--HbHb HYPOINTENSEHYPOINTENSE HYPOINTENSEHYPOINTENSE
SUBACUTESUBACUTE
EARLYEARLYLATELATE
3+ DAYS3+ DAYS7+ DAYS7+ DAYS
INTRACELLULARINTRACELLULAREXTRACELLULAREXTRACELLULAR
METMET--HbHbMETMET--HbHb
HYPERINTENSEHYPERINTENSEHYPERINTENSEHYPERINTENSE
HYPOINTENSEHYPOINTENSEHYPERINTENSEHYPERINTENSE
CHRONICCHRONIC
RIMRIMCENTERCENTER
14+ 14+ DAYSDAYS14+ 14+ DAYSDAYS
INTRACELLULARINTRACELLULAREXTRACELLULAREXTRACELLULAR
HEMOSIDERINHEMOSIDERINHEMOCHROMEHEMOCHROME
ISOINTENSEISOINTENSEISOINTENSEISOINTENSE
HYPOINTENSEHYPOINTENSEISOINTENSEISOINTENSE
HYPERACUTE SAH EARLY SUBACUTE
LATE SUBACUTE CHRONIC
BRAINBRAINACUTE INFARCTIONACUTE INFARCTION
NECT
MR – T2WI
MR - DWI
MR - ADC
BRAINBRAINHYPOXIC ISCHEAMIC ENCEPHALOPATHYHYPOXIC ISCHEAMIC ENCEPHALOPATHY
HIE
BRAINBRAINMRAMRA
CIRCLE OF WILLIS
MRA VS CTA
CAROTID
MRA VS CTA
BRAINBRAINMRAMRA
AVMVERTEBRAL OCCLUSION ANEURYSM
BRAINBRAINNORMAL DURAL SINUSESNORMAL DURAL SINUSES
MRV
CT VENOGRAPHY
BRAINBRAINSUPERIOR SAGITTAL SINUS SUPERIOR SAGITTAL SINUS
THROMBOSISTHROMBOSIS
BRAINBRAINVASCULAR MALFORMATIONSVASCULAR MALFORMATIONS
CAPILLARY TELANGIECTASIAS
CAVERNOUS ANGIOMA
VENOUS ANGIOMA
AVM
BRAINBRAINNEURODEGENERATIVE DISORDERSNEURODEGENERATIVE DISORDERS
WILSON’S DISEASE
BRAINBRAINCONGENITALCONGENITAL
GRAY MATTER HETROTOPIA CORPUS CALLOSUM LIPOMA