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Year : 2011  |  Volume : 6  |  Issue : 4  |  Page : 255-258

Confocal Scan Features of Keratic Precipitates in Granulomatous versus Nongranulomatous Uveitis

1 Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences; Central Eye Bank of Iran, Tehran, Iran
2 Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
Mozhgan Rezaei Kanavi
Ophthalmic Research Center, #23 Paidarfard St., Boostan 9 St, Pasdaran Ave., Tehran 16666
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Source of Support: None, Conflict of Interest: None

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Purpose: To compare the morphologic features of keratic precipitates (KPs) by confocal microscopy in granulomatous versus nongranulomatous noninfectious uveitis. Methods: KP morphology was determined by confocal scan in patients with noninfectious granulomatous and noninfectious nongranulomatous uveitic cases. Results: One hundred and twenty-seven eyes of 90 subjects with noninfectious uveitis were studied. Thirty-nine eyes had granulomatous and 88 had nongranulomatous uveitis. Smooth-rounded KPs were significantly more common in the granulomatous subgroup (P<0.001) while cruciform and dendritiform KPs were more frequent in nongranulomatous uveitis (P<0.001 and P<0.005 respectively). Conclusion: Confocal scan may be used as an adjunctive tool for differentiating granulomatous from nongranulomatous uveitis. Smooth-rounded KPs are strongly suggestive of granulomatous inflammation.

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