Orbital cellulitis CT
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Tarek Nafee, M.D. [2]
Overview
On CT scan of the head, orbital cellulitis is characterized by hyperdensity within low density periorbital fat and generalized elevation of the periobita. CT scan of the orbit is the imaging modality of choice for patients with orbital cellulitis. CT scan is also diagnostic of subperiosteal and orbital abscesses associated with orbital cellulitis.[1][2][3][4][5][6]
CT
Key CT Findings in Orbital Cellulitis
On CT scan of the head, orbital cellulitis is characterized by hyperdensity within low density periorbital fat and generelized elevation of the periobita. CT scan of the orbit is the imaging modality of choice for patients with orbital cellulitis. CT scan is also diagnostic of subperiosteal and orbital abscesses associated with orbital cellulitis. [1][2][3][4][5][6]
CT Examples of Orbital Cellulitis
Examples of CT findings of orbital cellulitis:[2]
References
- ↑ 1.0 1.1 American Academy of Ophthalmology EyeWiki (2015)http://eyewiki.aao.org/Orbital_Cellulitis#Diagnostic_procedures
- ↑ 2.0 2.1 2.2 Radiopaedia (2016)http://radiopaedia.org/articles/orbital-infection
- ↑ 3.0 3.1 Merck Manual Professional Edition (2016)https://www.merckmanuals.com/professional/eye-disorders/orbital-diseases/preseptal-and-orbital-cellulitis
- ↑ 4.0 4.1 Chaudhry IA, Al-Rashed W, Arat YO (2012). “The hot orbit: orbital cellulitis”. Middle East Afr J Ophthalmol. 19 (1): 34–42. doi:10.4103/0974-9233.92114. PMC 3277022. PMID 22346113.
- ↑ 5.0 5.1 LeBedis CA, Sakai O (2008). “Nontraumatic orbital conditions: diagnosis with CT and MR imaging in the emergent setting”. Radiographics. 28 (6): 1741–53. doi:10.1148/rg.286085515. PMID 18936033.
- ↑ 6.0 6.1 Yousem DM (1993). “Imaging of sinonasal inflammatory disease”. Radiology. 188 (2): 303–14. doi:10.1148/radiology.188.2.8327669. PMID 8327669.
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