Cavernous sinus | Radiology Reference Article - Radiopaedia.org
Oct 18, 2022 · The cavernous sinus transmits multiple cranial nerves to the superior orbital fissure and foramen rotundum. These are: in the lateral wall from superior to inferior. oculomotor nerve (CN III) trochlear nerve (CN IV) trigeminal nerve (CN V) ophthalmic division; maxillary division: within the very inferolateral aspect of the cavernous sinus wall ...
Cavernous sinus thrombosis | Radiology Reference Article - Radiopaedia.org
Apr 3, 2023 · Cavernous sinus thrombosis is a clinical diagnosis. MRI with contrast is the imaging modality of choice to confirm its presence and to differentiate it from alternatives such as orbital cellulitis, which may have a similar clinical presentation. CT. non-contrast: high-density thrombus in affected cavernous sinus (seen in only 25%) 5
Imaging Spectrum of Cavernous Sinus Lesions with …
Apr 12, 2019 · CT plays an adjunctive role in imaging of the cavernous sinus. Plain helical CT with a thin-section (<1 mm) axial acquisition and multiplanar reconstruction is useful for studying the osseous relationship of cavernous sinus masses before surgery and for evaluating osseous erosion or sclerosis.
Cavernous sinus mass | Radiology Reference Article - Radiopaedia.org
Jul 17, 2024 · A cavernous sinus mass has a wide differential, including: meningioma; orbital apical inflammation with cavernous sinus involvement (Tolosa-Hunt syndrome) infection schwannoma any of the cranial nerves traversing the cavernous sinus: III, IV, V (V1 and V2) and VI; trigeminal schwannoma is the most common; cavernous hemangioma
Imaging Lesions of the Cavernous Sinus
The cavernous sinus (CS) contains vital neurovascular structures that may be affected by vascular, neoplastic, infective, and infiltrative lesions arising in the CS proper or via extension from adjacent intra- and extracranial regions.
Traversing the cavern: radiological manifestations of cavernous sinus ...
Sep 27, 2024 · In this review article, we aim to discuss how to best image the cavernous sinuses for detection of cavernous sinus pathologies and imaging appearance of various pathologies involving cavernous sinuses.
Imaging Lesions of the Cavernous Sinus - PMC - PubMed Central …
SUMMARY: Our aim was to review the imaging findings of relatively common lesions involving the cavernous sinus (CS), such as neoplastic, inflammatory, and vascular ones. The most common are neurogenic tumors and cavernoma.
CT criteria suggesting an abnormal cavernous sinus are: (1) asymmetry of size; (2) asymmetry of shape, particularly the lateral wall; and (3) focal areas of abnormal density within the sinus. [Key words: cavernous sinus, computed tomography (CT), …
Cavernous Sinus Syndrome: Anatomy and Differential Diagnosis
The imaging shows asymmetric left cavernous sinus (arrow in A), associated with a widening of the foramen rotundum, which is crossed by the V2 branch of the trigeminal nerve as it leaves the cavernous sinus.
No more fear of the cavernous sinuses! - ScienceDirect
Oct 1, 2013 · It outlines extension and imaging features of these lesions. It emphasises MRI appearance, such as T1, T2 and diffusion signal, type of contrast medium uptake. A complementary CT scan is performed if an associated abnormality of the base of the skull is suspected on MRI (lysis, condensation).