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.
Pineal brain cysts: Pineal brain cysts are common but usually very small and causing no problem. Occasionally the cyst might be larger but you would have some symptoms that would lead to a brain scan to confirm or deny a larger brain cyst. Cyst (Definition) A cyst is a structure or mass that consists of a cellular lined sac.