Iodine is the heaviest of the commonly occurring halogens. The halogens are in Group 17 (VIIA) of the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. Iodine's chemical properties are similar to the lighter halogens above it, fluorine, chlorine, and bromine.
Choledochal cyst is a problem with the tubes (ducts) that carry bile from your child's liver to their gallbladder and intestine. The tubes get bigger than normal (dilate), or pouches form on the tubes. This keeps bile from flowing well, which can cause liver problems.
A meniscal cyst is an outpouching of joint fluid caused by a tear within the meniscus cartilage. Meniscal cysts are most commonly seen near the lateral meniscus (outside of the knee) and are associated with a specific type of meniscal tear called a horizontal cleavage tear.