Deletion 6q16 syndrome is a Prader-Willi like syndrome characterized by obesity, hyperphagia, hypotonia, small hands and feet, eye/vision anomalies, and global developmental delay. The disease is MONDO_0015749 (6q16 deletion syndrome). Also known as: Del(6)(q16), Prader-Willi-like syndrome due to deletion 6q16, monosomy 6q16.