【摘要】 颅内高密度上皮样囊肿实属罕见，容易误诊。笔者总结了６例经手术病理证实为高密度上皮样囊肿的ＣＴ表现，并分析了高密度的形成原因，强调了颅内高密度上皮样囊肿与其他高密度病变的鉴别。更多还原

【Abstract】 Hyperdense epidermoid tumors are rare and liable to misdiagnosis.The authors ana-lvzed six cases of epidermoid tumor that were hyperdense on plain CT and failed to enhance after admin-istration of contrast medium.The causes that contributed to high density were discussed.This tumorshould be taken into consideration in the differential diagnosis of tumors exhibiting high density on plainCT prior to surgery.更多还原