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随医学影像学的发展,本病已非少见疾病.笔者就所收集的80例,对本病的某些问题作进一步讨论.本病的CT诊断,国内外尚无统一标准.额顶区蛛网膜下腔扩大作为本病主要诊断依据,暂定为6mm,作为诊断参考。正确认识本病的重要意义在于鉴别于脑萎缩。以及硬膜下积液。与文献材料一致,本病以原发性者居多(67/80).而继发性者,本组病例中以化脓性脑膜炎为多见。强调对本病的诊断,不能以有无头围增大作为主要诊断依据.本病有时可有家族性,或与颅脑发育异常并存。对本病的随访观察亦证实为自愈性疾病,为国人积累了资料.
With the development of medical imaging, the disease is a rare disease. The author collected 80 cases, some of the problems of this disease for further discussion. CT diagnosis of the disease, there is no uniform standard at home and abroad. Frontal subarachnoid space expansion as the main basis for diagnosis of this disease, tentatively 6mm, as a diagnostic reference. The importance of a correct understanding of the disease lies in the identification of brain atrophy. As well as subdural effusion. Consistent with the literature, the disease is predominantly predominant (67/80). The secondary, in this group of patients with purulent meningitis is more common. Emphasize the diagnosis of this disease, can not increase with no head circumference as the main diagnostic basis. Sometimes the disease may have familial, or co-exist with abnormal brain development. The follow-up of the disease was also confirmed as a self-healing disease, accumulated data for Chinese.