ct scan proff.sumit kr ghosh dept of internal medicine medical college 88 college street kolkata
DESCRIPTION
CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street KolkataTRANSCRIPT
![Page 1: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/1.jpg)
CT SCAN(BRAIN)
Dr. Sumit Kr. GhoshAsst. Professor
Department of MedicineMedical College & Hospital, Kolkata
![Page 2: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/2.jpg)
COMPUTED TOMOGRAPHY
Godfrey Hounsfield
![Page 3: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/3.jpg)
Hounsfield unit / number
-1000Black Air
+ 1000WhiteBone
0
Water
![Page 4: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/4.jpg)
HYPODENSE ISODENSE HYPERDENSE
Black White
1. Air (air sinuses)
Brain parenchyma 1. Bone
2. CSF (ventricles/ sulci/cisterns)
2. Calcification ( Choroid plexus, pineal gland, basal ganglia, granuloma , tumour)
3. Fat (retro-orbital) 3. Heomarrhage
4. Infarct 4. Blood vessels
5. Edema 5. Ring –enhancing lesion
Hypo/hyper -intensityHypo/hyper-echoic
![Page 5: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/5.jpg)
Conventional : thik slice : 7-10 mmHRCT : thinner slice : 1-2 mm
![Page 6: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/6.jpg)
![Page 7: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/7.jpg)
![Page 8: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/8.jpg)
![Page 9: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/9.jpg)
![Page 10: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/10.jpg)
![Page 11: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/11.jpg)
![Page 12: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/12.jpg)
![Page 13: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/13.jpg)
![Page 14: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/14.jpg)
![Page 15: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/15.jpg)
![Page 16: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/16.jpg)
![Page 17: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/17.jpg)
![Page 18: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/18.jpg)
![Page 19: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/19.jpg)
![Page 20: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/20.jpg)
![Page 21: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/21.jpg)
![Page 22: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/22.jpg)
![Page 23: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/23.jpg)
![Page 24: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/24.jpg)
![Page 25: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/25.jpg)
![Page 26: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/26.jpg)
![Page 27: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/27.jpg)
![Page 28: CT Scan Proff.Sumit Kr Ghosh Dept of Internal Medicine Medical College 88 College Street Kolkata](https://reader033.vdocuments.site/reader033/viewer/2022061222/548b6ed4b479596c438b4c6a/html5/thumbnails/28.jpg)