What question did this study set out to answer?

To report a case of an occult basilar artery perforator aneurysm that manifested with delayed rebleeding after initial negative imaging and subsequently resolved with conservative management.

August 16, 2026Journal of Cerebrovascular and Endovascular NeurosurgeryOpen Access

Rebleeding and spontaneous resolution of an initially angiography-negative basilar artery perforator aneurysm: A case report

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Authors

JOJun Seok OhDaegu Catholic University Medical Center JCJae Hoon ChoDaegu Catholic University Medical Center GPGi Jeong ParkCatholic University of Daegu

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Implication

Case report demonstrates spontaneous resolution of an occult basilar artery perforator aneurysm in a patient following rebleeding, highlighting the role of repeat angiography and conservative care.

Key Points

To report a case of an occult basilar artery perforator aneurysm that manifested with delayed rebleeding after initial negative imaging and subsequently resolved with conservative management.
Clinical and radiographic evaluation of a 55-year-old female presenting with subarachnoid hemorrhage (modified Fisher grade 3, Hunt-Hess grade 2).
Sequential neurovascular assessment using CTA, DSA, and MRA alongside external ventricular drainage and non-interventional conservative therapy following rebleeding.
Initial CTA, same-day DSA, and day-4 MRA were negative for vascular lesions, but emergency repeat DSA on hospital day 6 following clinical deterioration identified a pseudoaneurysm arising from a left basilar artery perforator.
Conservative management led to complete angiographic resolution of the aneurysm on repeat DSA at 6 and 18 days post-identification.
Follow-up MRA at 4 months and 1 year post-discharge confirmed durable resolution with no aneurysm recurrence.

Cite This Study

Oh et al. (2026) studied this question.

synapsesocial.com/papers/6a81794cf2fb91fc834ac6ac https://doi.org/10.7461/jcen.2026.e2026.06.003

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Implication

Case report demonstrates spontaneous resolution of an occult basilar artery perforator aneurysm in a patient following rebleeding, highlighting the role of repeat angiography and conservative care.

Rebleeding and spontaneous resolution of an initially angiography-negative basilar artery perforator aneurysm: A case report

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Implication

Key Points

Cite This Study

Rebleeding and spontaneous resolution of an initially angiography-negative basilar artery perforator aneurysm: A case report

Discussion

Member takes

Implication

Key Points

Cite This Study

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