CNS 2 IMAGING OF BRAIN ( block). IMAGING MODALITIES PLANE X-RAY CTSCAN MRI ANDIOGRAPHY ULTRASOUND RADIOISOTOPES STUDY.

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Presentation transcript:

CNS 2 IMAGING OF BRAIN ( block)

IMAGING MODALITIES PLANE X-RAY CTSCAN MRI ANDIOGRAPHY ULTRASOUND RADIOISOTOPES STUDY

Brain stem and cerebellum Brain stem consist of Midbrain Pons Medulla oblongata

Radiological Anatomy

CT. Technique CT show the anatomy of skull in transverse section. Unlike the plane radiography we can see the brain in axial section as well as the bone.

CT Images

CT anatomy of brain

Bone window

Ultrasound axial Ultrasound is used for the brain in children before two years when the fontanel are open

Ultrasound coronal

Ultrasound. Sagittal

MRI of the brain MRI is superior imaging modality for the soft tissues. It can more clearly differentiate between the grey and white of brain and spinal cord.

MRI :  No ionizing radiation is used  Provide detail view of brain in different dimensions like axial, coronal sagittal and oblique without changing the position of patient

MRI Axial images T1 weighted

MRI Axial images T1 weighted

MR Axial images T2 weighted

MRI axial T2 weighted

MRI Sagittal image

T2 weighted Sagittal image

T2 weighted sagittal image

Coronal T1 wighted

Coronal T2 weighted image