Chronic dacryocystitis with fistula, Shetland Sheepdog
Chronic dacryocystitis with fistula, Shetland Sheepdog
Chronic dacryocystitis with fistula, Shetland Sheepdog

    A fistula (arrow) has formed below this Shetland Sheepdog's eye as a result of chronic dacryocystitis.

Courtesy of K. Gelatt.