Injury and diagnosis
| Case No. | Vessel Injured | Injury Mechanism | Pseudoaneurysm Size at Time of Diagnosis (mm) | Days Post-Op to Injury Diagnosis | Initial Angiogram |
|---|---|---|---|---|---|
| 1 | Left ACA, A2 segment | TSRPT | 1.2 × 1.36 | 0 | Vessel injury |
| 2 | Right PCA, P2 segment | Clival chordoma resection, pterional approach | 0.9 × 1.8 | 5 | Negative |
| 3 | Left ICA | CSF leak repair, transnasal endoscopic approach | 2 × 2.2 × 0.8 | 0 | Vessel injury |
| 4 | Basilar artery | Clival and left cavernous sinus meningioma resection, endoscopic transsphenoidal approach | 2.4 × 1.8 × 2.8 | 4 | Negative |
| 5 | Right ICA | Subfrontal meningioma resection, bifrontal craniotomy | 1 × 0.6 | 0 | Vessel injury |
| 6 | Left ICA | Open clipping of an ophthalmic artery aneurysm | 1.4 × 1.1 | 0 | Vessel injury |
Abbreviations: ACA, anterior cerebral artery; CSF, cerebrospinal fluid; ICA, internal carotid artery; PCA, posterior cerebral artery; SAH, subarachnoid hemorrhage; TSRPT, transsphenoidal approach for resection of pituitary tumor