This article discusses disorders of the head and face, including felin
e acne, solar dermatoses, pruritus of the head and neck, and nodular o
r ulcerative dermatoses of the head. Disorders of the pinna, otitis ex
terna, and nasal diseases are highlighted. In addition, a discussion o
f pododermatitis and diseases of the claws and ungual fold is presente
d. Miscellaneous regional dermatoses include midline ulcerative dermat
itis, stud tail, and vaccine-induced lesions.