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Pediatric Neurosurgery, 2005
rior communicating artery measuring 1.4 ! 1.4 ! 0.8 cm. There was no evidence of previous hemorrh... more rior communicating artery measuring 1.4 ! 1.4 ! 0.8 cm. There was no evidence of previous hemorrhage. A left pterional craniotomy and clipping of the aneurysm was performed subsequently. Intraoperatively, the aneurysm was observed to be of a saccular type arising from the anterior communicating artery and had a narrow neck. She had an unremarkable postoperative recovery and was discharged well one week after surgery. She is now well with no further episodes of headaches. Discussion Intracranial aneurysm in children only account for 1-2 % of all aneurysms in children. They tend to occur more commonly in the posterior circulation [3]. Anterior communicating artery aneurysms are very rare. Tekkok and Venturaya [2] in their series showed that only 3 of 54 infantile aneurysms were from the anterior communicating artery. Huang et al. [4] suggested that a third of these aneurysms are caused by trauma or infection and the rest are congenital. In addition, several conditions have been associated with an increased risk in aneurysm development, including hypertension, collagen disease, autosomal-dominant polycystic kidney disease, neurofi bromatosis, tuberous sclerosis, aortic coarctation, AV malformation, and cranial irradiation [1, 3]. Other possible etiological factors are birth trauma and the anatomical relationship between the artery and the dural edge [5, 6]. Our patient most likely falls into the congenital category as we found no evidence of the above predisposing conditions. There are some marked differences between adult and pediatric intracranial aneurysms. The posterior circula
Pediatric Neurosurgery, 2005
rior communicating artery measuring 1.4 ! 1.4 ! 0.8 cm. There was no evidence of previous hemorrh... more rior communicating artery measuring 1.4 ! 1.4 ! 0.8 cm. There was no evidence of previous hemorrhage. A left pterional craniotomy and clipping of the aneurysm was performed subsequently. Intraoperatively, the aneurysm was observed to be of a saccular type arising from the anterior communicating artery and had a narrow neck. She had an unremarkable postoperative recovery and was discharged well one week after surgery. She is now well with no further episodes of headaches. Discussion Intracranial aneurysm in children only account for 1-2 % of all aneurysms in children. They tend to occur more commonly in the posterior circulation [3]. Anterior communicating artery aneurysms are very rare. Tekkok and Venturaya [2] in their series showed that only 3 of 54 infantile aneurysms were from the anterior communicating artery. Huang et al. [4] suggested that a third of these aneurysms are caused by trauma or infection and the rest are congenital. In addition, several conditions have been associated with an increased risk in aneurysm development, including hypertension, collagen disease, autosomal-dominant polycystic kidney disease, neurofi bromatosis, tuberous sclerosis, aortic coarctation, AV malformation, and cranial irradiation [1, 3]. Other possible etiological factors are birth trauma and the anatomical relationship between the artery and the dural edge [5, 6]. Our patient most likely falls into the congenital category as we found no evidence of the above predisposing conditions. There are some marked differences between adult and pediatric intracranial aneurysms. The posterior circula