In-depth

Ambiguous genitalia

Ambiguous genitalia is a condition in which a newborn's external genitals don't appear clearly male or female.

Gallstones

Gallstones often don't cause symptoms. But if you have a gallbladder attack, you're not likely to forget it.

Henoch-Schonlein purpura

Henoch-Schonlein purpura causes inflammation of small blood vessels (vasculitis) and often a purplish rash. It's most common in children ages 2 to 6.

Mesenteric lymphadenitis

Mesenteric lymphadenitis is an inflammation of the lymph nodes in the tissue that attaches various organs to your abdominal wall (mesentery). It mainly affects children.

Pancreatitis

The pain of pancreatitis, an inflammation of the pancreas, can last for days, or in chronic cases, for years. Pancreatitis can lead to serious complications.

Umbilical hernia

An umbilical hernia causes a bulge near the navel. Most umbilical hernias close on their own by age 1.

Oct. 10, 2012