腦部的正常ct及mri解剖-在線瀏覽
2025-02-25 06:50本頁面
【正文】 milunar, Fusiform, Oval shape ? Density: – Hyperdense – Isodense – Hypodense – Mixed density Chronic Subdural Hematoma T1WI T2WI methemoglobin Hyperintense Subdural Hematoma Subdural Effusion ? Occurred in aged patient or infant ? Developed several days later after a head injury ? Often bilateral ? Spontaneously resorbed ? Craniotomy, VP shunt, meningitis also may cause subdural effusion Subdural Effusion 4 days later 10 days later Intracerebral Lesions ? Brain contusion 腦挫傷 (edema, hemorrhage..) ? Subarachnoid hemorrhage (SAH)蜘蛛網(wǎng)膜下腔出血 ? Intraventricular hemorrhage (IVH) 腦室內(nèi)出血 Brain Contusion ? Brain edema mixed with multiple small hemorrhages 腦水腫合併出血 ：最常見 ? Solitary hematoma ? Circumscribed area of brain edema 局部腦水腫：很少見 ? Diffuse brain edema ? Diffuse axonal injury 廣泛神經(jīng)軸受傷 Brain Contusion Punctate hemorrhages and edemas in the subcortical white matter of left frontal lobe (A) and corpus callosum (B,C) A B C Head injury, GCS:3’ Diffuse axonal injury (DAI) Traumatic SAH ? Often asso
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