Aug 1, - The clinical and histopathological features of 13 Persian cats which presented with chronic skin disease primarily affecting the face are described. Malassezia yeasts have also been associated with feline acne [15,16] and idiopathic facial dermatitis . overgrowth has been. Facial dermatitis of Persian and Himalayan cats. Synonym(s): Idiopathic facial dermatitis. Contributor(s): Rosanna Marsella, David Scarff, Charlie Walker.