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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Dyggve-Melchior-Clausen syndrome


Other Names for this Disease
  • DMC syndrome
  • Dyggve-Melchior-Clausen disease
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Symptoms


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What are the signs and symptoms of Dyggve-Melchior-Clausen syndrome?

Affected newborns may be small at birth, but otherwise appear normal. Skeletal findings are often recognized first between 1 and 18 months. With age, other characteristics begin to develop. Chest deformities, feeding difficulties, and developmental delay usually occur before 18 months. Disproportionate short stature usually occurs after 18 months. Additional features may include a long skull, distinctive facial appearance, a protruding jaw, microcephaly, and claw-like hands. Intellectual disability occurs in most cases, ranging from moderate to severe.[1]

Affected individuals can also develop a protruding breastbone; spinal abnormalities; abnormal bones in the hands, fingers, toes, wrists, and long bones of the arms and legs; and joint contractures, especially of the elbows and hips. Secondary problems resulting from the skeletal abnormalities may include spinal compression, dislocated hips, and restricted joint mobility. These problems may in turn cause a waddling gait.[1]
Last updated: 5/18/2011

References
  1. Dyggve Melchior Clausen syndrome. National Organization for Rare Disorders (NORD). 2009; http://www.rarediseases.org/rare-disease-information/rare-diseases/byID/874/viewAbstract. Accessed 5/16/2011.