University of Iowa Health Care

Ophthalmology and Visual Sciences

Mutton-Fat Keratic Precipitates (KP)

Contributor: Lucas Lenci, MD

Photographer: Carol, Chan, MD

This is a 51-year-old female that presented with severe ocular pain and photophobia. She presented acutely and had evidence of mutton-fat keratic precipitates (KP) on exam. She was later diagnosed with sarcoidosis. KP are collections of inflammatory cells on the corneal endothelium. When these coalesce and become large with a yellowish color, they are described as mutton-fat KP. These are typically associated with granulomatous inflammation.

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last updated: 1/21/2015
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