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Updated: Oct 21, 2025

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

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Turbulent Flow in a Cavernous Sinus Lesion: Does It Suggest Something?

Vaibhav Kumar Jain¹, Vivek Singh², Akshata Charlotte¹

¹Department of Ophthalmology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.

Neuro-Ophthalmology (Aeolus Press)

|September 6, 2021

Summary

A rare case of a 14-year-old boy with double vision was diagnosed with a mycotic aneurysm in the cavernous sinus. Early detection of this serious condition is crucial for patient outcomes.

Keywords:

Mycotic aneurysm internal carotid artery intracavernous internal carotid artery aneurysm turbulent flow

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Area of Science:

Neuro-ophthalmology
Vascular Neurology
Infectious Diseases

Background:

Cavernous sinus lesions can present with diverse neuro-ophthalmological symptoms.
Diplopia in young patients warrants a thorough investigation beyond common etiologies.

Observation:

A 14-year-old boy presented with acute-onset diplopia and a history of facial cellulitis.
Initial imaging suggested a cavernous sinus hemangioma, but re-evaluation revealed an internal carotid artery outpouching.
Leukocytosis and elevated inflammatory markers indicated an infectious or inflammatory process.

Findings:

The patient was diagnosed with a mycotic aneurysm of the intracavernous internal carotid artery.
This diagnosis was based on a combination of clinical presentation and advanced neuroimaging findings.

Implications:

Mycotic aneurysms are rare but life-threatening vascular infections requiring high clinical suspicion.
Prompt diagnosis and management are essential to prevent catastrophic complications such as rupture or stroke.