Question of the Day

This is pannus, a bilateral, progressive, chronic, superficial keratitis. Ddx from other forms of keratitis by breed and progression.

Pannus begins laterally at the limbus and extends from all sides to cover cornea. Common in German shepherds. See also in Australian shepherds, Border collies, greyhounds, huskies.

Any keratitis (corneal inflammation) may also have ulceration. Dx corneal ulcers with fluorescein dye. Look for more corneal disruption/melting with corneal ulcers.

Image courtesy of Joel.