Jansen Metaphyseal Dysostosis

It is possible that the main title of the record Jansen Type Metaphyseal Chondrodysplasia is not the name you expected. Kindly inspect the synonyms providing to discover the alternative name(s) as well as problem class(s) covered by this record.


  • Jansen disease
  • Jansen metaphyseal dysostosis
  • Murk Jansen type metaphyseal chondrodysplasia

Disorder Subdivisions

  • None

General Discussion
Jansen type metaphyseal chondrodysplasia is a very uncommon dynamic problem in which parts of the bones of the limbs create uncommonly with uncommon cartilage developments and also subsequent unusual bone formation at the big (spheric) end sections (metaphyses) of these long bones (metaphyseal chondrodysplasia). Because of this, impacted people exhibit unusually brief arms and legs and short stature (short-limbed dwarfism), findings that normally emerge during early childhood. Abnormal cartilage material and bone development might additionally affect other bones of the physical body, especially those of the hands as well as feet (i.e., metacarpals and metatarsals). Infants with Jansen kind metaphyseal chondrodysplasia could likewise have characteristic facial abnormalities and extra skeletal malformations. During childhood, influenced individuals might start to show dynamic stiffening and also swelling of many joints and/or an uncommon “swaying gait” and bowing stance. In addition, influenced adults could eventually develop uncommonly hardened (sclerotic) bones particularly in the rear of the head (cranial bones), which, in many cases, might lead to loss of sight and/or hearing problems. Furthermore, influenced people have extraordinarily high levels of calcium in the blood (hypercalcemia). The variety and extent of signs and symptoms may vary from situation to instance. Many cases of Jansen type metaphyseal chondrodysplasia happen randomly as the outcome of a spontaneous genetic change (i.e., brand-new genetic mutation).

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