颅顶骨凹陷症又称颅顶骨对称性凹陷、颅顶骨吸收(Parietal bone absorption)及颅顶骨萎缩症等。是一种少见的颅骨病变,好发于老年人。我们遇见6例,部分表现特殊,现结合复习文献报告如下: 例1,男,30岁。出生即发现左顶骨局限性凹陷,并呈进行性发展,无压痛,查无外伤史。颅骨正位片见左顶骨呈局限性凹陷,外板及板障消失,内板变薄、凹凸不平,侧位见顶骨呈带状透亮区。 Parietal depression also known as parietal symmetry depression, parietal bone absorption (Parietal bone absorption) and parietal apex atrophy. Is a rare skull disease, occurs in the elderly. We met 6 cases, some of the special performance, are combined with the review of the literature report is as follows: Example 1, male, 30 years old. Birth was found in the limitations of the left parietal depression, and was progressive development, no tenderness, no history of trauma. Orthotopic skull see the left parietal bone showed a limited depression, the outer plate and the plate disappears, the inner thinning, uneven, the lateral roof of the zone showed zygotic translucent zone.