Final answer:
Approximately 60-70% of atopic patients experience head and neck atopic dermatitis.
Step-by-step explanation:
Atopic dermatitis is a common form of eczema that affects the skin, causing redness, itching, and dryness. Head and neck atopic dermatitis refers to the involvement of the skin on the head and neck area, such as the face, scalp, and neck. The percentage of atopic patients who experience head and neck atopic dermatitis can vary, but studies have shown that approximately 60-70% of individuals with atopic dermatitis experience involvement of the head and neck region.