Andrew S. Wong, BSc

This 16-year-old boy had slowly progressive hypopigmented lesions onthe lower extremities for the past 4 years. He also had atopic dermatitis,asthma, and allergic rhinitis.

A healthy 4-year-old girl passed a threadlike object in her stool at a day-care center. She had no diarrhea, vomiting, or abdominal pain. Stool had no blood or melena. Child’s appetite normal.