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Ulnar dimelia, showing clenched position X-ray of 2-month-old female child with ulnar dimelia. Ulnar dimelia, also referred to simply as mirror hand, is a very rare congenital disorder characterized by the absence of the radial ray, duplication of the ulna, duplication of the carpal, metacarpal, and phalanx bones, and symmetric polydactyly.
Osteoporosis-pseudoglioma syndrome or OPGG is a rare genetic condition characterized by early-onset blindness and severe osteoporosis alongside seemingly random bone fractures. Signs and symptoms [ edit ]
An osteochondrodysplasia, [note 1] or skeletal dysplasia, is a disorder of the development of bone and cartilage. [1] Osteochondrodysplasias are rare diseases.About 1 in 5,000 babies are born with some type of skeletal dysplasia. [2]
The TBX5 gene produces a protein that is critical for the proper development of the heart and upper limbs before birth. [ 1 ] Holt–Oram syndrome has an autosomal dominant pattern of inheritance, meaning one abnormal copy of the gene is sufficient to cause disease, which each child has a 50% chance of inheriting from an affected parent. [ 1 ]
Juvenile osteoporosis is osteoporosis in children and adolescents. Osteoporosis is rare in children and adolescents. When it occurs, it is usually secondary to some other condition, [1] e.g. osteogenesis imperfecta, rickets, eating disorders or arthritis. In some cases, there is no known cause and it is called idiopathic juvenile osteoporosis ...
Ulnar dysplasia also known as ulnar longitudinal deficiency, ulnar club hand or ulnar aplasia/hypoplasia is a rare congenital malformation which consists of an underdeveloped or missing ulnae bone, causing an ulnar deviation of the entire wrist. The muscles and nerves in the hand may be missing or unbalanced.
X-ray of a left hand, with automatic calculation of bone age by a computer software. Bone age is the degree of a person's skeletal development. In children, bone age serves as a measure of physiological maturity and aids in the diagnosis of growth abnormalities, endocrine disorders, and other medical conditions.
A scanner used to measure bone density using dual energy X-ray absorptiometry. Bone density, or bone mineral density, is the amount of bone mineral in bone tissue.The concept is of mass of mineral per volume of bone (relating to density in the physics sense), although clinically it is measured by proxy according to optical density per square centimetre of bone surface upon imaging. [1]