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Melasma is a skin pigment disorder marked by dark brown, symmetric patches of pigment on the face. During pregnancy this is called the "mask of pregnancy." ...

What are trinucleotide repeats? DNA (deoxyribonucleic acid) is the chemical that makes up our genes. It contains a "code" of 3-letter words known as "codons" or "trinucleotides." Many genes normally contain trinucleotide sequences that can be repetitive. These are called "trinucleotide repeats." But when the ...

Oxalosis is a rare metabolic disorder that occurs when the kidneys stop eliminating calcium oxalate crystals from the body through the urine. Because the kidneys stop functioning, oxalate crystals are deposited elsewhere in the body. ...

Adrenal glands, which are also called suprarenal glands, are small, triangular glands located on top of both kidneys. An adrenal gland is made of two parts: the outer region, called the adrenal cortex, and the inner region, called the adrenal medulla. The adrenal glands work ...

Strep throats are caused by group A streptococcal bacteria and are usually not associated with a cough or runny nose. ...

A podcast from Washington University pediatric specialists at St. Louis Children’s Hospital. Radio Rounds is a free podcast series for health care professionals featuring Washington University pediatric specialists. Each 10-minute podcast focuses on topics relevant to pediatricians and health care providers caring for children. Radio ...

Osteopetrosis is a bone disease that makes bones abnormally dense and prone to breakage (fracture). Researchers have described several major types of osteopetrosis, which are usually distinguished by their pattern of inheritance: autosomal dominant, autosomal recessive, or X-linked. The different types of the disorder can ...

The Division of Endocrinology and Metabolism at St. Louis Children's Hospital offers a full range of clinical services for pediatric patients with endocrine and growth disorders, diabetes, and bone and mineral metabolic disorders. To learn more, call 314.454.5437. ...

Read more about Aiden Stigers story and his experience with St. Louis Children's Hospital's "ouchless" emergency room. ...

St. Louis Children's Hospital explains why new findings found the drug dexamethasone to be more effective at treating asthma attacks than prednisone. Learn more. ...