Intracranial aneurysms in children are very rare pathologic entities. (1200 cases presented in literature from 1939-2011).The authors present 51 cases of children (aged: 0-16) operated between January 1999 and December 2023 24 years in three neurosurgical centers: “Bagdasar Arseni” Emergency University Hospital (Bucharest), Sanador Clinical Hospital (Bucharest) and Timis County Emergency Hospital (Timisoara). We collected data from many children’s intracranial aneurysms cases because “Bagdasar-Arseni” Emergency University Hospital has the most important pediatric neurosurgical unit in the country. Regarding our series, pediatric aneurysms represent 6.14 (51 cases) of all operated intracranial aneurysms (765).

The mean age of the patients was 14.3 years. There were 29 boys (58.7%) and 22 girls (41.2%). The clinical features are dominated by headache (48 cases – 95.7%), neck stiffness (45 cases – 91.4%), vomiting (44 cases – 89.3%), focal neurological deficit (24 cases – 44.6%), an altered level of consciousness (17 cases – 36.1%), seizures (24 cases – 44.6%), fever (20 cases 34%).

The majority of patients were Hunt & Hess II at admittance (27 cases, 53%). All neuroimagistic investigations were done in the first 48 hours (CT, DSA, MRI). Locations: anterior communicating artery aneurysms (20 cases, 36.1%), followed by middle cerebral artery aneurysms (15 cases, 25.5%) and internal carotid artery bifurcation aneurysms (9 cases, 19.1%) and so on. Many aneurysms were large and giant (18 cases – 31.9%) 

Microsurgery approach was performed in 48 cases (99.7%) and 3 case (4.4%) were endovascular approached.

The Glasgow Outcome Scale (GOS) at six months postop. showed GR in 40 cases (78.5%), in 9 cases (17.2%), SD in 1 patient (2.1%) and (preoperative) death in 1 patient (2.1%).

Intracranial aneurysms in children are a very rare pathologic entity. Early microsurgical or endovascular approach is mandatory and has excellent results (good recovery).