Cavernous sinus thrombosis CT scan
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
High-resolution contrast-enhanced CT scan is useful in the assessment of cases with clinical features of cavernous sinus thrombosis. In early stages of the disease the CT and MRI findings may be normal. Findings on CT scan suggestive of cavernous sinus thrombosis include: Irregular filling defects within the cavernous sinus, thickening of the superior ophthalmic vein, poor enhancement of the cavernous sinus, hypodensity in the region of the cavernous sinus, thickening and dilation of the superior ophthalmic vein and opacification of the paranasal sinuses and ethmoidal air cells.
CT scan
- High-resolution contrast-enhanced CT scan is useful in the assessment of cases with clinical features of cavernous sinus thrombosis.[1]
- In early stages of the disease the CT and MRI findings may be normal.[1]
- Findings on CT scan suggestive of cavernous sinus thrombosis include:[1][2][3][4][5]
- Irregular filling defects within the cavernous sinus
- Thickening of the superior ophthalmic vein
- Poor enhancement of the cavernous sinus
- Hypodensity in the region of the cavernous sinus
- Thickening and dilation of the superior ophthalmic vein
- Primary source of infection:
- Opacification of the paranasal sinuses
- Opacification of the ethmoidal air cells
References
- ↑ 1.0 1.1 1.2 Komatsu H, Matsumoto F, Kasai M, Kurano K, Sasaki D, Ikeda K (2013). "Cavernous sinus thrombosis caused by contralateral sphenoid sinusitis: a case report". Head Face Med. 9: 9. doi:10.1186/1746-160X-9-9. PMC 3605125. PMID 23497466.
- ↑ Absoud M, Hikmet F, Dey P, Joffe M, Thambapillai E (2006). "Bilateral cavernous sinus thrombosis complicating sinusitis". J R Soc Med. 99 (9): 474–6. doi:10.1258/jrsm.99.9.474. PMC 1557894. PMID 16946393.
- ↑ Leo QJ, Bolger DT (2014). "Septic cavernous sinus thrombosis due to Campylobacter rectus infection". BMJ Case Rep. 2014. doi:10.1136/bcr-2013-203351. PMC 4039913. PMID 24842357.
- ↑ Avsenik J, Oblak JP, Popovic KS (2016). "Non-contrast computed tomography in the diagnosis of cerebral venous sinus thrombosis". Radiol Oncol. 50 (3): 263–8. doi:10.1515/raon-2016-0026. PMC 5024657. PMID 27679541.
- ↑ Imholz B, Becker M, Lombardi T, Scolozzi P (2012). "Septic thrombosis of the cavernous sinus secondary to a Streptococcus milleri oral infection". Dentomaxillofac Radiol. 41 (6): 525–8. doi:10.1259/dmfr/33011853. PMC 3520397. PMID 22241881.