教学标本制作中,发现一例异常硬脑膜窦,报告如下。少年男尸,13岁左右,身高142厘米。该异常硬脑窦位于大脑镰后分,呈前上后下走向。该窦只收受大脑大静脉血液,未见其他脑静脉汇入。大脑大静脉不注入直窦而经其右侧注入异常硬脑膜窦。该窦向前上通上矢状窦,向后下通直窦右股(图1)。异常硬脑膜窦与下矢状窦呈锐角相交,同直窦相接处被一三角形硬脑膜岛(前边长 Teaching specimens made, found an abnormal dural sinus, the report is as follows. Juvenile male body, about 13 years old, height 142 cm. The abnormal hard brain sinus in the falx points after the brain, was before the back to the next. The sinus receives only large cerebral venous blood, no other venous access. The great vein of the brain is not infused into the straight sinus and injected into the abnormal dura sinus through the right side. The sinus forward through the sagittal sinus, back straight through the right strands (Figure 1). Abnormal dural sinus and inferior sagittal sinus acute angle intersection, connected with the straight sinus was a triangular dural island (front long