Table 1.
Case details of the reports.
| Case reports | Clinical characteristics | Anatomical characteristics | Investigations | Treatment | Outcome |
|---|---|---|---|---|---|
| Mann et al. (this case report) | Seizure Headache Confusion Left homonymous hemianopia Pronator drift |
Partial right foetal PComA (hypoplastic P1 segment) | MRI: acute right posterior circulation infarction Duplex: 80–89% R ICA stenosis |
Right carotid endarterectomy Apixaban, aspirin, felodipine, atorvastatin |
Good functional recovery |
| Hunter et al.4 | Visual processing disturbance Right homonymous hemianopia |
Foetal origins of both PCAs with vertebrobasilar hypoplasia | Left PCA territory infarction 50–75% stenosis of the contralateral ICA |
Left carotid endarterectomy with venous patch | Improved with rehabilitation Residual right inferior homonymous quadrantanopia |
| Eswaradass et al.7 | Sudden onset left hemiparesis Reduced GCS |
True right foetal PCA (absent P1 segment) | Right ACA, MCA, and PCA territory infarction | No definitive treatment given poor outcome | Patient condition rapidly deteriorated, developing brain swelling and dying the same day |
| Kolukısa et al.8 | Dysarthria Mild right hemiparesis and hemianopia |
Left foetal PCA | Left MCA and PCA territory infarction | Early left carotid endarterectomy Patient on antiplatelet therapy prior to event |
Discharged with mild hemiparesis and hemianopia |
| Ingram et al.9 | Weakness Right hemianopia Right sided facial droop |
Left foetal PComA | Left MCA and PCA territory infarction | Left carotid endarterectomy High dose statin and antiplatelet therapy |
Excellent functional recovery |
PComA = posterior communicating artery; MRI = magnetic resonance imaging; ICA = internal carotid artery; PCA = posterior cerebral artery; GCS = Glasgow Coma Scale; ACA = anterior cerebral artery; MCA = middle cerebral artery.