How do you use the word dermatology in a sentence?

Example 1: She specialised in dermatology after graduating from medical school.

Example 2: The rash was so bad that I visited the dermatologist to get it checked out.

Example 3: The dermatologist prescribed a topical cream to help clear up my eczema.

Example 4: Dermatology is the branch of medicine that deals with the skin, hair, nails, and mucous membranes.

Example 5: I've been struggling with acne for years and finally decided to see a dermatologist.