Objective To improve under standing to isodense subdural hematomas.
目的：提高对等密度硬膜下血肿的认识。
Purpose: to improve the knowledge of the CT findings of isodense subdural hematoma (ISH).
目的：提高对等密度硬膜下血肿(ish)CT征象认识。
In the acute setting, an intracranial haematoma can appear isodense on CT scanning, especially if a coagulopathy is present.
在急性调整期，颅内的血肿在CT扫描上可能呈现等密度线，尤其是合并凝血病时。
On CT, ENB tends to be isodense or hyperdense compared to the surrounding soft tissues. There is moderate contrast enhancement. Bone erosion and remodeling are common.
ENB与周围软组织相比，通常表现为等或高密度，增强扫描中度强化，常可见骨质侵蚀、塑形。
Delayed scan, the hypodense edema ring enhanced and became isodense, or the abscess enhanced diffusely, the lesions became smaller and the colliquative necrosis area more obvious.
延时，脓肿周围低密度水肿环可强化为等密度，或脓肿内部强化，病变范围缩小，液化坏死区更显明显。
Delayed scan, the hypodense edema ring enhanced and became isodense, or the abscess enhanced diffusely, the lesions became smaller and the colliquative necrosis area more obvious.
延时，脓肿周围低密度水肿环可强化为等密度，或脓肿内部强化，病变范围缩小，液化坏死区更显明显。
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