Table 1. Summary of Three Patients with De Novo Aneurysm Developing from Junctional Dilatation.

Patient number	Age/Sex	SAH (Coexisting ruptured aneurysm)	Presence of HT	Time interval of aneurysm detection	Management of de novo aneurysm
1	53/F	+ (Rt. SCA)	+	63 months	Clipping surgery
2	57/F	+ (Lt. MCA and Lt. AchoA)	+	61 months	Observation
3	55/F	+ (Lt. MCA)	+	62 months	Clipping surgery

An., aneurysm; SAH, subarachnoid hemorrhage; Rt., right; Lt., left; SCA, superior cerebellar artery; MCA, middle cerebral artery; AchoA, anterior choroidal artery; PcomA, posterior communicating artery; JD, junctional dilatation; HT, hypertension; Tx, treatment