In the usual patient with infantile hemangiomas (IH) who has no serious complications or extensive growth resulting in tissue destruction and severe disfigurement, treatment consists of

Correct Answer: A

Rationale: Uncomplicated infantile hemangiomas often resolve spontaneously, so expectant observation is standard, making A correct.

Correct Answer: A

Rationale: The white forelock is the hallmark feature of Waardenburg syndrome type 1, present in most cases, making A correct.

Correct Answer: B

Rationale: Stevens-Johnson syndrome (SJS) is defined as involving <10% of body surface area, making B correct.

Correct Answer: D

Rationale: Dermatitis herpetiformis is symmetric, pruritic, and affects extensor surfaces like knees and elbows, but mucous membrane involvement is rare, making D the exception.

Correct Answer: D

Rationale: Pityriasis alba presents as hypopigmented, finely scaly patches in children, making D a correct feature (though only one option requested, D aligns with description).