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Congenital internal carotid artery aneurysm
P Hazarika1, J S Sahota, D R Nayak
1Department of E.N.T., Kasturba Medical College Hospital, Manipal, India.
Insights
Congenital internal carotid artery aneurysms are rare, especially in the extracranial region. A lateral skull base approach provided easy access for treating a pediatric case at the skull base.
Area of Science:
- Vascular Surgery
- Neurology
- Pediatric Neurosurgery
Background:
- Congenital internal carotid artery aneurysms are uncommon, with most occurring intracranially.
- Extracranial presentations, particularly at the skull base, are exceptionally rare.
Observation:
- A 13-year-old female presented with a congenital aneurysm of the extracranial internal carotid artery at the skull base.
- The infratemporal fossa approach was utilized for surgical management.
Findings:
- The infratemporal fossa approach facilitated excellent exposure of the aneurysm's superior aspect.
- Surgical intervention involved drilling the carotid canal to mobilize the aneurysm and apply a vascular clip prior to dissection.
Implications:
- This case highlights the feasibility and effectiveness of the lateral skull base approach for managing rare extracranial internal carotid artery aneurysms.
- The infratemporal fossa approach offers a valuable surgical option for complex skull base vascular lesions in pediatric patients.
Abstract:
Congenital carotid aneurysms are frequently found in the intracranial arteries but rarely seen in extracranial part of the internal carotid artery. A case of a congenital internal carotid artery aneurysm at the skull base was treated in a 13-year-old female child. This case is being presented for its rarity and also to highlight the ease of exposing the upper end of the aneurysm via lateral skull base approach. Infratemporal fossa approach was adopted in this case. The carotid canal was drilled off and the upper end of the aneurysm in the intrapetrous part was mobilized and vascular clip applied before dissection of the aneurysm. Relevant literatures pertaining to this case are also reviewed.