Delayed appearance of basilar trunk small atypical aneurysms in nontraumatic, initially angiogram-negative subarachnoid hemorrhage: A report of three patients

William C. Johnson, Matthew R. Webb, Jonathan W. Espinosa, Lee A. Birnbaum, PAVEL RODRIGUEZ, Justin R. Mascitelli

Producción científica: Articlerevisión exhaustiva

3 Citas (Scopus)

Resumen

Background: Repeat angiography will identify vascular pathology in approximately 10% of cases following angiogram-negative subarachnoid hemorrhage (anSAH), but small atypical aneurysms of the basilar artery are very uncommon. Objective: To report a case series of delayed appearance of nontraumatic basilar artery small atypical aneurysms. Methods: IRB approval was obtained for this retrospective case series and patient consent was waived. Results: Herein we report three cases of spontaneous anSAH, all of whom had a negative digital subtraction angiogram (DSA) on admission and all of whom had appearance of a small atypical aneurysms of the upper basilar trunk/apex on follow-up imaging (two during the initial admission and one in a delayed fashion). All three patients were ultimately treated with flow diversion (although one patient underwent attempted coiling that was abandoned due to inability to catheterize the aneurysm). Conclusion: This report highlights the importance of a repeat DSA in cases of anSAH as well as the importance of scrutinizing the basilar trunk for these very small atypical aneurysms that may go unnoticed.

Idioma originalEnglish (US)
PublicaciónInterventional Neuroradiology
DOI
EstadoAccepted/In press - 2023

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine

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