A second doctor explained that it might be strep, a virus or, possibly, something called Kawasaki disease.
Beau's lines can also be seen one to two months after the onset of fever in children with Kawasaki disease.
Kawasaki disease is a very rare and mysterious ailment that strikes children under age 5.
Doctors have yet to discover what causes Kawasaki disease.
Since then the incidence of Kawasaki disease has continued to grow.
It is seen in Kawasaki disease, toxic shock syndrome, and scarlet fever.
Wilson suggests Kawasaki disease, but before the team begins tests, they discover a mass in his heart.
In 1994, she suffers from Kawasaki disease and requires a heart transplant.
Many children, especially infants, eventually diagnosed with Kawasaki disease do not exhibit all of the above criteria.
However, Kawasaki disease is believed to affect fewer than 1 in every 25,000 people.