Biotin-responsive basal ganglia disease is a rare, inherited brain energy problem. It happens when brain cells cannot move enough thiamine (vitamin B1) into ...

Maxillonasal dysplasia syndrome—often called Binder syndrome—is a rare condition present at birth. It mainly affects the middle of the face, especially the ...

Maxillonasal dysostosis is a rare, birth-present (congenital) condition in which the middle of the face and the nose are under-developed. The bridge of the ...

Binder type maxillonasal dysplasia—often called Binder syndrome—is a rare condition present at birth in which the central face does not develop fully, ...

Maxillo-nasal dysplasia (often called Binder syndrome) is a rare birth condition where the middle part of the face—especially the upper jaw (premaxilla) and ...

Binder syndrome is a rare, birth-present (congenital) condition in which the middle part of the face and the nose do not grow normally. The front of the upper ...

Isolated congenital mirror movements (CMM) is a rare condition present from birth. When a person moves one hand or arm on purpose, the other hand or arm copies ...

Isolated congenital contralateral synkinesia means a person is born with involuntary movements on one side of the body that copy the voluntary movement on the ...

Hereditary congenital mirror movements (often shortened to CMM) is a rare genetic movement condition present from early childhood. When a person tries to make ...

Hereditary congenital contralateral synkinesia is a rare, lifelong movement disorder where an intentional movement on one side of the body is “mirrored” by an ...

Hand mirror movements are involuntary, copy-cat motions that appear in one hand while you are trying to move only the other hand. For example, when you pinch ...

Familial congenital mirror movements is a rare, often lifelong condition where a voluntary movement on one side of the body (usually a hand or fingers) is ...

Familial congenital contralateral synkinesia means a person is born with extra, unintended movements on one side of the body that copy (or “mirror”) the ...

Bimanual synkinesia means that when you choose to move one hand, the other hand makes the same unwanted movement at the same time. The two hands “mirror” each ...

Nuclear jaundice means brain injury in a newborn caused by very high levels of unconjugated bilirubin (the yellow pigment that makes newborns look jaundiced). ...

Unconjugated bilirubin is a yellow waste pigment that your body makes when it breaks down old red blood cells. First, hemoglobin from red cells becomes ...

Kernicterus is brain damage caused by very high levels of a yellow substance in the baby’s blood called unconjugated bilirubin. When bilirubin is too high, it ...

Bilirubin encephalopathy means brain injury caused by very high levels of unconjugated (indirect) bilirubin in a newborn’s blood. Unconjugated bilirubin can ...

A malignant tumor of the biliary tract is a cancer that starts in the thin tubes that carry bile. These tubes are called the bile ducts, and they run inside ...

A malignant biliary tree neoplasm is a cancer that starts in the tubes that carry bile. These tubes are called the bile ducts. They run inside the liver and ...