جابريون⁸ (جراحة عملي )

هنا هم استعمل DWI

Axial ct scan brain window without conrtast show isodense area in the left side of brain (due yo loss differetantion between grey and whit matter )

Axial CT scan brain window without contrast show well defind homogenous hypodense in left side of brain with compression of lateral ventricle

Axial CT scan brain window without contrast show line of hyperdense in right side of the brain (this my be show Acute infraction )

هنا هم يبين ال DWI

هاي ب DWI

هاي CT Scan طبيعي

After that added the DWI and become hyperdense area due to infraction

Time? • Changes of acute infarction may not be recognized on CT before 6 hours,Thrombolytic therapy • SO NORMAL CT in early hours (sometimes DOSE NOTE exclude presence of infarction

Main role of CT in acute stroke to: Presentation: ( hemiparesis clinical diagnosis) 1-confirm diagnosis. 2-exclude hemorrhage (so what?).different from ischemic in management 3-exclude other diagnosis that may present similar to stroke (like tumor, abscess).

acute stroke ⌛️

Diffusion-weighted imaging (DWI) : It is contrast To see enhancement in : 1. Infection 2. tumor 3. vascular malformations

Axial Ct scan brain window without contrast show hetrogeneous lesion in right side of brain with pusged the ventricle

Axial Ct scan brain window without contrast show homogenwous hyperdense biconcav lesion in left side (extradural hemorraghe ) and the lateral ventricle is pushed to right side and in the right side hetrogeneous ill defind mass

طبعاً chronic hemorraghe

CT scan brain windiw no contrast shiw homogeneous hypodense ill defind mass in right side of the brain tissue DDx : 1️⃣intracerebral hemorraghe 2️⃣ maas (lesion)

Axial Ct scan brain window without contrast well defind homogeneous hyperdense mass in brain tissue in left side of the brain surrounding by area of hypodense DDX 1️⃣Mass 2️⃣Acute hemorrhage

Axial Ct scan brain window without contrast show ventricles and sulci compression due to brain odema