Conditions & Treatments

Macrodactyly is an uncommon, congenital condition in which a baby’s toes or fingers are abnormally large due to the overgrowth of the underlying bone and soft tissue. The cause of this condition is unknown. ...

Major depression goes beyond the day’s normal ups and downs. It involves a teen’s body, mood, and thoughts. It can affect and disrupt eating, sleeping, or thinking patterns. ...

Malignant brain tumors contain cancer cells. Malignant brain tumors are usually fast growing and invade surrounding tissue. ...

Malocclusion is when a child’s teeth become crooked or crowded. The child may also have a problem with his or her bite. That means the teeth of the upper jaw don’t meet normally with the teeth of the lower jaw when the jaw is closed. ...

Intestinal malrotation is a birth defect. It happens when your baby’s intestinal tract doesn’t form as it should during pregnancy. Malrotation happens when your baby’s intestine doesn’t turn like it should. ...

A teen with bipolar disorder often has extreme mood swings. These mood swings go beyond the day’s normal ups and downs. A teen may have times of great elation, happiness, elevated mood, or irritability. This is called mania. These episodes are countered by periods of ...

Marfan syndrome is a genetic disorder that affects the body's connective tissue. Connective tissue holds the body's cells, organs, and other tissue together. Connective tissue is also important in growth and development. ...

Mucopolysaccharidosis type VI (MPS VI), also known as Maroteaux-Lamy syndrome, is a progressive condition that causes many tissues and organs to enlarge and become inflamed or scarred. Skeletal abnormalities are also common in this condition. ...

Mastoiditis is an inflammation or infection of the mastoid bone. This bone is one of the bones in the head. It is located behind the ear. The mastoid bone is made of cells that drain the middle ear. Mastoiditis may be mild or very serious. ...

Although often misdiagnosed initially as the more common type 1 or type 2 diabetes, maturity-onset diabetes of the young (MODY) is a group of diseases characterized by inherited early-onset diabetes (usually in adolescence or early adulthood) from a single gene mutation. ...