Cantú syndrome
Last updated 18 Aug 2020
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Cantú syndrome is a rare condition characterised by excess hair growth (hypertrichosis), a distinctive facial appearance, heart defects, and several other abnormalities. The features of the disorder vary among affected individuals.
Description
Cantú syndrome is a rare condition characterised by excess hair growth (hypertrichosis), a distinctive facial appearance, heart defects, and several other abnormalities. The features of the disorder vary among affected individuals.
People with Cantú syndrome have thick scalp hair that extends onto the forehead and grows down onto the cheeks in front of the ears. They also have increased body hair, especially on the back, arms, and legs. Most affected individuals have a large head (macrocephaly) and distinctive facial features that are described as "coarse." These include a broad nasal bridge, skin folds covering the inner corner of the eyes (epicanthal folds), and a wide mouth with full lips. As affected individuals get older, the face lengthens, the chin becomes more prominent, and the eyes become deep-set.
Many infants with Cantú syndrome are born with a heart defect such as an enlarged heart (cardiomegaly) or patent ductus arteriosus (PDA). The ductus arteriosus is a connection between two major arteries, the aorta and the pulmonary artery. This connection is open during fetal development and normally closes shortly after birth. However, the ductus arteriosus remains open, or patent, in babies with PDA. Other heart problems have also been found in people with Cantú syndrome, including an abnormal buildup of fluid around the heart (pericardial effusion) and high blood pressure in the blood vessels that carry blood from the heart to the lungs (pulmonary hypertension).
Additional features of this condition include distinctive skeletal abnormalities, a large body size (macrosomia) at birth, a reduced amount of fat under the skin (subcutaneous fat) beginning in childhood, deep horizontal creases in the palms of the hands and soles of the feet, and an increased susceptibility to respiratory infections. Other signs and symptoms that have been reported include abnormal swelling in the body's tissues (lymphedema), side-to-side curvature of the spine (scoliosis), and reduced bone density (osteopenia). Some affected children have weak muscle tone (hypotonia) that delays the development of motor skills such as sitting, standing, and walking. Most have mildly delayed speech, and some affected children have mild intellectual disability or learning problems.
Inheritance patterns
The source lists the following possible inheritance patterns: Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
Cantu syndrome
Hypertrichosis-osteochondrodysplasia-cardiomegaly syndrome
Hypertrichotic osteochondrodysplasia
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Further reading and references
- Cantú syndrome; MedlinePlus, National Library of Medicine.
- Garcia-Cruz D, Sanchez-Corona J, Nazara Z, Garcia-Cruz MO, Figuera LE, Castaneda V, Cantu JM. Congenital hypertrichosis, osteochondrodysplasia, and cardiomegaly: further delineation of a new genetic syndrome. Am J Med Genet. 1997 Mar 17;69(2):138-51. doi: 10.1002/(sici)1096-8628(19970317)69:23.0.co;2-l.
- Grange DK, Lorch SM, Cole PL, Singh GK. Cantu syndrome in a woman and her two daughters: Further confirmation of autosomal dominant inheritance and review of the cardiac manifestations. Am J Med Genet A. 2006 Aug 1;140(15):1673-80. doi: 10.1002/ajmg.a.31348.
- Harakalova M, van Harssel JJ, Terhal PA, van Lieshout S, Duran K, Renkens I, Amor DJ, Wilson LC, Kirk EP, Turner CL, Shears D, Garcia-Minaur S, Lees MM, Ross A, Venselaar H, Vriend G, Takanari H, Rook MB, van der Heyden MA, Asselbergs FW, Breur HM, Swinkels ME, Scurr IJ, Smithson SF, Knoers NV, van der Smagt JJ, Nijman IJ, Kloosterman WP, van Haelst MM, van Haaften G, Cuppen E. Dominant missense mutations in ABCC9 cause Cantu syndrome. Nat Genet. 2012 May 18;44(7):793-6. doi: 10.1038/ng.2324.
- Lazalde B, Sanchez-Urbina R, Nuno-Arana I, Bitar WE, de Lourdes Ramirez-Duenas M. Autosomal dominant inheritance in Cantu syndrome (congenital hypertrichosis, osteochondrodysplasia, and cardiomegaly). Am J Med Genet. 2000 Oct 23;94(5):421-7. doi: 10.1002/1096-8628(20001023)94:53.0.co;2-9.
- Robertson SP, Kirk E, Bernier F, Brereton J, Turner A, Bankier A. Congenital hypertrichosis, osteochondrodysplasia, and cardiomegaly: Cantu syndrome. Am J Med Genet. 1999 Aug 6;85(4):395-402.
- Scurr I, Wilson L, Lees M, Robertson S, Kirk E, Turner A, Morton J, Kidd A, Shashi V, Stanley C, Berry M, Irvine AD, Goudie D, Turner C, Brewer C, Smithson S. Cantu syndrome: report of nine new cases and expansion of the clinical phenotype. Am J Med Genet A. 2011 Mar;155A(3):508-18. doi: 10.1002/ajmg.a.33885. Epub 2011 Feb 22.
- van Bon BW, Gilissen C, Grange DK, Hennekam RC, Kayserili H, Engels H, Reutter H, Ostergaard JR, Morava E, Tsiakas K, Isidor B, Le Merrer M, Eser M, Wieskamp N, de Vries P, Steehouwer M, Veltman JA, Robertson SP, Brunner HG, de Vries BB, Hoischen A. Cantu syndrome is caused by mutations in ABCC9. Am J Hum Genet. 2012 Jun 8;90(6):1094-101. doi: 10.1016/j.ajhg.2012.04.014. Epub 2012 May 17.
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