Philadelphia's CHOP marked its 500th fetal spina bifida repair as a Baltimore mother credits the team for son Owen's care.

Dr. David Hartman met his wife at Temple University while training to become Philadelphia's first blind medical graduate in 1976.

A six-month-old Alaska baby became the youngest CHOP patient to receive gene therapy for metachromatic leukodystrophy. His case underscores the race to diagnose MLD before symptoms begin.