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Table 1 Aneurysm characterization

From: Flow diverter devices in the treatment of posterior communicating artery aneurysms: mid-term clinical and radiological outcomes

Aneurysm characteristics n (%)
Aneurysm presentation
 Incidental 12 (25.5)
 Nerve palsy 10 (21.3)
 Headache 9 (19.1)
 Recurrent 16 (34)
Aneurysm size
 Small size < 10 mm 28 (59.6)
 Large size 10–24 mm 17 (36.2)
 Giant ≥ 25 mm 2 (4.3)
Dome-to-neck ratio
 > 1.5 (favorable dome-to-neck ratio) 30 (63.8)
 ≤ 1.5 (unfavorable dome-to-neck ratio) 17 (36.2)
Same segment another aneurysm 5 (10.6)
Thrombosed aneurysm 2 (4.3)
Fetal origin PCOM 1 (2.1)
Incorporated vessels 9 (19.1)
  1. PCOM posterior communicating artery