Characteristics of 6 patients with peripheral dissecting aneurysms of the PICA

Case No.Age/SexHunt and Hess GradeInitial CT and MR Imaging FindingsLocation of AneurysmTreatmentRecurrent AneurysmOutcome
150/FIntracerebellar hematomaRight telovelomedullarEndovascularYesExcellent
262/FMural hematomaLeft lateral medullarySurgeryNoExcellenta
365/M2Subarachnoid hemorrhage, intraventricular hemorrhageLeft tonsilomedullaryEndovascularNoGood
428/M5Subarachnoid hemorrhage, subdural hematoma, contusionLeft anterior medullaryEndovascularNoGood
535/F3Subarachnoid hemorrhage, intraventricular hemorrhageRight lateral medullaryEndovascularNoExcellent
680/F1Subarachnoid hemorrhage, intraventricular hemorrhageLeft anterior medullaryEndovascularNoExcellent
  • a Died of renal cell carcinoma 1 year after treatment of dissection.