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Sectional Anatomy of       Brain                Vipin kumar                Msc medical imaging
APPROACH TO STUDY OF   BRAIN ANATOMYSKULL VAULT, BASE & SUTURES.MENINGES.BRAIN PARENCHYMA.CSF SPACES & CISTERN
SKULL VAULT
MENINGES DURAMATER : ARACHNOID MATER PIAMATER outer periosteal layer & inner meningeal layer
MENINGEAL FOLDS DURAL REFLECTIONS                        DURAL VENOUS SINUSES FALX CEREBRI                          B/W...
BRAIN FOREBRAIN (PROSENCEPHALON)     Telencephalon – Cerebral hemispheres.     Diencephalon - Epithalamus,             ...
CEREBRAL HEMISPHERES Outer gray matter : the cerebral cortex. inner white matter : centrum semiovale. Divided into lobe...
LOBES OF BRAIN
CORPUS CALLOSUM: Thick band of white matterconnecting two hemispheres.BASAL GANGLIA : central gray matter of telencephalon...
Trunk/bodyGenu of cc                    splenium       rostrum
MIDBRAIN     (MESENCEPHALON)Smaller dorsal part - TECTUMLarger ventral part - CEREBRAL PEDUNCLESInterpeduncular fossa/cist...
Mid brain
HINDBRAIN PONS & MEDULLA OBLONGATA anteriorly CEREBELLUM posteriorly The fourth ventricle is present between the pons-m...
CSF SPACES LATERAL VENTRICLES (telencephalon) Foramina of monro THIRD     VENTRICLE (diencephalon) Aqueduct of sylvius...
SUBARACHNOID CISTERNSVENTRAL (median & paramedian)PerimedullaryPrepontineSuprasellarCp angleDORSAL (median & paramed...
. Maxillary                                              Sinus                                                  . Nasophar...
Post Contrast sagittal T1 Wtd                                                                      M.R.I.                 ...
Cavernous Sinus                            ICA                        Basilar Artery                                      ...
Orbits                                                         midbrain                                                   ...
Sylvian Fissure                                                      Frontal lobe                                         ...
fontal  Lobe                                                        Frontal Horn caudate Nucleus. Putamen                 ...
Genu of corpus callosum    Choroid plexus within the        body of lateral ventricle                                Post ...
Frontal Lobe                                            Body of the Corpus Callosum                                       ...
Frontal Lobe                                                             Post Contrast sagittal T1 Wtd                    ...
Corpous collusm                pons                              4 th ventricle                              medulla      ...
Splenium of CCTegmentum of Midbrain                        Tectal Plate of Midbrain                              4th Ventr...
Scalp fat   Internal cerebral vein                                           Superior sagittal sinus                      ...
Frontal Sinus                         Clivus                Tongue
Superior Saggital SinusT2 CornoalMRI                                           Sylvian Fissure       Hippocampus          ...
Coronal section                                  Falx cerebriLat ventricle                                  Tentorium     ...
Choroid plexus within                                                        lateral ventriclePosterior frontal lobe   Cer...
Frontal lobe                                                    Corpus callosum                                           ...
PATHOLOGIS
whole R. hemispherical infarct
bleed into brain stem
Old stroke
New stroke in T2 flair
DWI showing stroke
accumulated blood                               mpgrT2 flair
Cerebral abscesses from endocarditis
Glioblastoma Multiforme
Giant meningioma
Chiari malformation
Herpes encephalitis
Hydrocephalus
giant unruptured MCA aneurysm
T2 Axial MRI   with Developmental Delay                     and Epilepsy
MRI SECTIONAL ANATOMY OF BRAIN
MRI SECTIONAL ANATOMY OF BRAIN
MRI SECTIONAL ANATOMY OF BRAIN
MRI SECTIONAL ANATOMY OF BRAIN
MRI SECTIONAL ANATOMY OF BRAIN
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MRI SECTIONAL ANATOMY OF BRAIN

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  • where can I send you the 2 sagittal images of the brain mri for comparison?
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  • I have a separate question, may be you can help me as a student. What could make the tentorium enhance on a SAGITTAL T1 MRI without a contrast?
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MRI SECTIONAL ANATOMY OF BRAIN

  1. 1. Sectional Anatomy of Brain Vipin kumar Msc medical imaging
  2. 2. APPROACH TO STUDY OF BRAIN ANATOMYSKULL VAULT, BASE & SUTURES.MENINGES.BRAIN PARENCHYMA.CSF SPACES & CISTERN
  3. 3. SKULL VAULT
  4. 4. MENINGES DURAMATER : ARACHNOID MATER PIAMATER outer periosteal layer & inner meningeal layer
  5. 5. MENINGEAL FOLDS DURAL REFLECTIONS DURAL VENOUS SINUSES FALX CEREBRI B/W TWO DURAMATERS TENTORIUM CEREBELLIFALX CEREBELLIDIAPHRAGMATIC SELLA
  6. 6. BRAIN FOREBRAIN (PROSENCEPHALON) Telencephalon – Cerebral hemispheres. Diencephalon - Epithalamus, Thalamus, Hypothalamus and Sub thalamus. MIDBRAIN ( MESENCEPHALON ) HINDBRAIN ( RHOMBENCEPHALON) Metencephalon – pons and cerebellum. Myelencephalon – medulla.
  7. 7. CEREBRAL HEMISPHERES Outer gray matter : the cerebral cortex. inner white matter : centrum semiovale. Divided into lobes by four important sulci: Lateral (Sylvain fissure) Central (Rolandic fissure) Parieto - occipital and Calcarine sulcus.
  8. 8. LOBES OF BRAIN
  9. 9. CORPUS CALLOSUM: Thick band of white matterconnecting two hemispheres.BASAL GANGLIA : central gray matter of telencephalonconsisting of lentiform nucleus, caudate nucleus,claustrum & amygdala.INTERNAL CAPSULE: Thick white matter band lyingbetween caudate nucleus, thalamus & lentiform nucleus.
  10. 10. Trunk/bodyGenu of cc splenium rostrum
  11. 11. MIDBRAIN (MESENCEPHALON)Smaller dorsal part - TECTUMLarger ventral part - CEREBRAL PEDUNCLESInterpeduncular fossa/cistern separate twopedunclesEach cerebral peduncle - CRUS & TEGMENTUM OF MIDBRAIN
  12. 12. Mid brain
  13. 13. HINDBRAIN PONS & MEDULLA OBLONGATA anteriorly CEREBELLUM posteriorly The fourth ventricle is present between the pons-medulla &cerebellum
  14. 14. CSF SPACES LATERAL VENTRICLES (telencephalon) Foramina of monro THIRD VENTRICLE (diencephalon) Aqueduct of sylvius(MB) FOURTH VENTRICLE (hindbrain) Foramina of luschca & magendie FINALLY INTO THE SUBARACNOID SPACE
  15. 15. SUBARACHNOID CISTERNSVENTRAL (median & paramedian)PerimedullaryPrepontineSuprasellarCp angleDORSAL (median & paramedian)Cisterna magnaAmbient CisternSupracerebellarQuadrigeminalInterhemispheric
  16. 16. . Maxillary Sinus . Nasopharynx Post Contrast sagittal T1 Weighted M.R.I. Section at the level of Foramen . Cervical Cord Magnum Cisterna Magna. Mandible Post Contrast Axial MR Image of the brain
  17. 17. Post Contrast sagittal T1 Wtd M.R.I. Section at the level of medulla Sigmoid Sinus MedullaFig. 1.2 Post Contrast Axial MR Image of the brain
  18. 18. Cavernous Sinus ICA Basilar Artery Post Contrast sagittal T1 Wtd Pons M.R.I.TMPlobe IV Ventricle Section at the level of Pons IAC MCP Vermis Cerebellar Hemisphere
  19. 19. Orbits midbrain Aqueduct of Sylvius Post Contrast sagittal T1 Wtd M.R.I. Section at the level of Mid BrainMiddle Cerebral Artery Posterior Cerebral Artery Post Contrast Axial MR Image of the brain
  20. 20. Sylvian Fissure Frontal lobe III Ventricle Post Contrast sagittal T1 Wtd M.R.I. Section at the level of the III Ventricle Occipital LobeTemporal Lobe Fig. 1.5 Post Contrast Axial MR Image of the brain
  21. 21. fontal Lobe Frontal Horn caudate Nucleus. Putamen . Internal Cerebral VeinInternal Capsule Choroid Plexus within the Post Contrast sagittal T1 Wtd occipital horn M.R.I. Section at the level of Thalamus Occipital LobeTemp Lobe Thalamus Superior Sagittal Sinus Fig. 1.6 Post Contrast Axial MR Image of the brain
  22. 22. Genu of corpus callosum Choroid plexus within the body of lateral ventricle Post Contrast sagittal T1 Wtd M.R.I. Section at the level of Corpus Callosum Splenium of corpus callosum
  23. 23. Frontal Lobe Body of the Corpus Callosum Post Contrast sagittal T1 Wtd M.R.I. Section at the level of Body of Corpus Callosum Parietal LobePost Contrast Axial MR Image of the brain
  24. 24. Frontal Lobe Post Contrast sagittal T1 Wtd M.R.I. Section above the Corpus Callosum Parietal LobePost Contrast Axial MR Image of the brain
  25. 25. Corpous collusm pons 4 th ventricle medulla Brainstem
  26. 26. Splenium of CCTegmentum of Midbrain Tectal Plate of Midbrain 4th Ventricle
  27. 27. Scalp fat Internal cerebral vein Superior sagittal sinus . Bone Inferior sagittal sinus Parietal lobeCorpus callosum Vein of Galen Occipital lobe Mass intermedia of thalamus Straight sinus . Vermis . IV ventricle Cerebellar tonsil
  28. 28. Frontal Sinus Clivus Tongue
  29. 29. Superior Saggital SinusT2 CornoalMRI Sylvian Fissure Hippocampus Temporal Lobe
  30. 30. Coronal section Falx cerebriLat ventricle Tentorium 4 th ventricle
  31. 31. Choroid plexus within lateral ventriclePosterior frontal lobe Cerebellar . Posterior temporal hemisphere lobe Tentorium Superior vermis Cerebellar tonsil Coronal Section of the Brain at the level of IV Ventricle Post Contrast Coronal T1 Weighted MRI
  32. 32. Frontal lobe Corpus callosum Frontal horn III Caudate nucleusPituitary gland Optic nerve sp Pituitary stalk Internal carotid artery np Cavernous sinus Coronal Section of the Brain at the level of Pituitary gland Post Contrast Coronal T1 Weighted MRI
  33. 33. PATHOLOGIS
  34. 34. whole R. hemispherical infarct
  35. 35. bleed into brain stem
  36. 36. Old stroke
  37. 37. New stroke in T2 flair
  38. 38. DWI showing stroke
  39. 39. accumulated blood mpgrT2 flair
  40. 40. Cerebral abscesses from endocarditis
  41. 41. Glioblastoma Multiforme
  42. 42. Giant meningioma
  43. 43. Chiari malformation
  44. 44. Herpes encephalitis
  45. 45. Hydrocephalus
  46. 46. giant unruptured MCA aneurysm
  47. 47. T2 Axial MRI with Developmental Delay and Epilepsy

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