Osteogenesis imperfecta with congenital joint contractures is a very rare, inherited bone and connective-tissue disorder in which a baby is born with stiff ...

Bruck syndrome is a rare genetic bone and joint disorder. Babies are born with stiff joints (called contractures) and bones that break easily. Doctors describe ...

Undulant fever—also called brucellosis or Malta fever—is a bacterial infection you can get from contact with infected animals or from eating or drinking ...

Maltese fever is an infection in humans caused by Brucella bacteria. These germs live mainly in animals such as goats, sheep, cows, pigs, and dogs. People get ...

Brucellosis is an infection you get from Brucella bacteria. People are usually infected by unpasteurized milk or dairy, or by touching infected animals or ...

CYLD cutaneous syndrome (CCS) is a rare inherited condition in which people develop many small skin tumors—most often cylindromas, spiradenomas, and ...

Brooke–Spiegler syndrome is a rare inherited condition that causes many small skin tumors to grow over time, most often on the scalp, face, and neck. These ...

Bronchiolitis obliterans with obstructive pulmonary disease is a small-airway disease also called constrictive bronchiolitis or obliterative bronchiolitis. It ...

Idiopathic bronchiolitis obliterans with organizing pneumonia is an inflammatory lung disease. The tiny airways (bronchioles) and the neighboring air sacs ...

Cryptogenic organizing pneumonitis (COP)—also called cryptogenic organizing pneumonia or bronchiolitis obliterans organizing pneumonia (BOOP)—is an ...

Cryptogenic organizing pneumonia (COP) is an inflammatory lung disease. “Cryptogenic” means the trigger is unknown. “Organizing pneumonia” describes the way ...

Bronchiolitis Obliterans Organizing Pneumonia (BOOP)—most often called Organizing Pneumonia (OP), and Cryptogenic Organizing Pneumonia (COP) is a healing ...

Brody myopathy (also called Brody disease) is a rare, inherited muscle condition where muscles have trouble relaxing after they contract. People often feel ...

Type VIB Ehlers-Danlos syndrome is a rare, inherited connective-tissue disorder caused by pathogenic variants in the FKBP14 gene. It typically presents with ...

Brittle cornea syndrome type 1 (BCS1) is a very rare, inherited connective-tissue disorder where the clear front window of the eye (the cornea) is extremely ...

Brittle cornea syndrome is a very rare inherited disorder that makes the clear front window of the eye (the cornea) extremely thin and fragile. Because the ...

“X-linked mental retardation, Reish type” is an old name for a rare, inherited condition first described by Dr. Reish and colleagues. Today it is usually ...

BRESHECK (also written BRESEK) is a very rare genetic condition seen mostly in boys. It affects many parts of the body from birth. The name is an acronym that ...

Brain anomaly A brain anomaly is a difference in how the brain formed or looks. It can be very small or very large. It may affect thinking, movement, speech, ...

Brain anomaly, severe intellectual disability, ectodermal dysplasia, skeletal deformity, ear anomaly, kidney dysplasia syndrome.” Clinicians usually shorten ...