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Jansen's metaphyseal chondrodysplasia is inherited in an autosomal dominant manner. Jansen's metaphyseal chondrodysplasia ( JMC ) is a disease that results from ligand -independent activation of the type 1 ( PTH1R ) of the parathyroid hormone receptor , due to one of three reported mutations (activating mutation).
Metaphyseal dysplasia, or Pyle disease, [3] is a disorder of the bones. It is a rare disease in which the outer part of the shafts of long bones is thinner than normal and there is an increased chance of fractures .
Metaphyseal chondrodysplasia Schmid type is a type of chondrodysplasia associated with a deficiency of collagen, type X, alpha 1. [2] [3] [4]Unlike other "rickets syndromes", affected individuals have normal serum calcium, phosphorus, and urinary amino acid levels.
Hereditary multiple osteochondromas (HMO), also known as hereditary multiple exostoses, is a disorder characterized by the development of multiple benign osteocartilaginous masses in relation to the ends of long bones of the lower limbs such as the femurs and tibias and of the upper limbs such as the humeri and forearm bones.
Angel-shaped phalango-epiphyseal dysplasia, also known as peripheral dysostosis, is a rare type of osteochondrodysplasia which is characterized by angel-shaped middle phalanges of the fingers and generalized metaphyseal dysplasia/delayed osseous age. [1] [2] Additional findings include joint hypermobility, hypodontia, and hip osteoarthritis ...
Hypochondrogenesis is a severe genetic disorder causing malformations of bone growth. [1] The condition is characterized by a short body and limbs and abnormal bone formation in the spine and pelvis.
An abnormality of the kneecap called a double-layered patella is also relatively common. Although some people with recessive multiple epiphyseal dysplasia have short stature as adults, most are of normal height. The incidence is unknown as many cases are not diagnosed due to mild symptoms.
Ghosal hematodiaphyseal dysplasia, is a rare, autosomal recessive disease, characterized by diaphyseal dysplasia and metaphyseal dysplasia of the long bones and refractory anemia. [ 2 ] [ 3 ] [ 1 ] It is associated with a deficiency of Thromboxane-A synthase , [ 4 ] which produces Thromboxane A2 .