Conditions & Treatments

Overview Flat head syndrome (deformational plagiocephaly) is when a baby’s head develops a lasting flat spot. The flat spot may be either on one side of the head or on the back of the head. This happens when a baby sleeps in the same position ...

Overview Puberty that happens late is called delayed puberty. This means a child's physical signs of sexual maturity don’t appear by age 12 in girls or age 14 in boys. This includes breast or testicle growth, pubic hair, and voice changes. These are known as ...

Dermatitis is an inflammation of the skin. ...

The Dermatology Center at St. Louis Children's Hospital diagnoses and treats skin diseases in children. Some of the skin disease treated are vascular birthmarks, vitiligo, genetic skin disorders, acne, alopecia and more. Contact us at 314-454-KIDS (5437) for more information. ...

A dermoid cyst is a pocket or hole under the skin. It contains tissue normally found in the outer layers of the skin. This might be hair follicles, oil, and sweat glands. Oil and sweat collect inside the cyst, causing it to get larger. ...

Developmental dysplasia of the hip (DDH) is a health problem of the hip joint. It’s when the joint hasn’t formed normally, so it doesn’t work as it should. DDH is present at birth, and it is more common in girls than boys. ...

DVAs also may be referred to as venous angiomas. Some doctors refer to them as caput medusae, a Latin term that means head of Medusa because the clump resembles snakes on the head of the Greek mythological character named Medusa. ...

Overview Diabetes is a condition in which the body can't make enough insulin, or can't use insulin normally. Insulin is a hormone. It helps sugar (glucose) in the blood get into cells of the body to be used as fuel. When glucose can’t enter the ...

Diabetes insipidus is a condition caused by not enough antidiuretic hormone (ADH) in the body. ADH is also known as vasopressin. This is a hormone that helps the kidneys keep the correct amount of water in the body. ...

What is diabetes mellitus? Diabetes mellitus is a metabolic disorder. This is a problem with how the body uses food. It is characterized by a failure to secrete enough insulin, or, the inability to use insulin. Because insulin is needed by the body to convert ...