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. 2025 Sep 29;10(13):CASE25483. doi: 10.3171/CASE25483

TABLE 1.

Reported cases of POAA

Type No. of Cases Median Age, yrs (IQR) Sex, M/F Ruptured Aneurysm, n (%) Aneurysm Morphology, Saccular/Fusiform Clinical Presentation, n (%)
Intracranial 12 43 (29.8–55.2) 7/5 1 (8.3) 12/0 Vision loss: 7 (58)
Intracanalicular 4 43 (33–45) 4/0 1 (25.0) 1/3 Vision loss: 4 (100)
Intraorbital 22 51.5 (44–60) 16/6 2 (9.1) 19/3 Vision loss: 19 (86), proptosis: 9 (41)
Terminal branch 8 56.5 (49.5–64.3) 4/4 6 (75) 7/1 Vision loss: 1 (12.5)