Síndrome de Beckwith-Wiedemann
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Beckwith-Wiedemann syndrome is a condition that affects many parts of the body. It is classified as an overgrowth syndrome, which means that affected infants are larger than normal (macrosomia), and some may be taller than their peers during childhood. Growth begins to slow by about age 8, and adults with this condition are not unusually tall. In some children with Beckwith-Wiedemann syndrome, specific body parts may grow abnormally large on one side of the body, leading to an asymmetric or uneven appearance. This unusual growth pattern, which is known as hemihyperplasia, usually becomes less apparent over time.
Descrição
Beckwith-Wiedemann syndrome is a condition that affects many parts of the body. It is classified as an overgrowth syndrome, which means that affected infants are larger than normal (macrosomia), and some may be taller than their peers during childhood. Growth begins to slow by about age 8, and adults with this condition are not unusually tall. In some children with Beckwith-Wiedemann syndrome, specific body parts may grow abnormally large on one side of the body, leading to an asymmetric or uneven appearance. This unusual growth pattern, which is known as hemihyperplasia, usually becomes less apparent over time.
The signs and symptoms of Beckwith-Wiedemann syndrome vary among affected individuals. Some children with this condition are born with an opening in the wall of the abdomen (an omphalocele) that allows the abdominal organs to protrude through the belly-button. Other abdominal wall defects, such as a soft out-pouching around the belly-button (an umbilical hernia), are also common. Some infants with Beckwith-Wiedemann syndrome have an abnormally large tongue (macroglossia), which may interfere with breathing, swallowing, and speaking. Other major features of this condition include abnormally large abdominal organs (visceromegaly), creases or pits in the skin near the ears, low blood glucose (hypoglycemia) in infancy, and kidney abnormalities.
Children with Beckwith-Wiedemann syndrome are at an increased risk of developing several types of cancerous and noncancerous tumours, particularly a form of kidney cancer called Wilms tumour and a form of liver cancer called hepatoblastoma. Tumours develop in about 10 percent of people with this condition and almost always appear in childhood.
Most children and adults with Beckwith-Wiedemann syndrome do not have serious medical problems associated with the condition. Their life expectancy is usually normal.
Padrões de herança
The source lists the following possible inheritance patterns: Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
BWS
Wiedemann-Beckwith syndrome (WBS)
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Tumor de Wilms
This sy... There can be defects in the kidneys, urinary system and genitals. Someone with WAGR may also have learning disability. Beckwith-Wiedemann syndrome. This causes the internal body organs to be larger than normal. The tongue is often very big and one arm or leg may be bigger than the other. Denys-Drash syndrome. Affected boy babies do not.
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Leitura adicional e referências
- Síndrome de Beckwith-Wiedemann; MedlinePlus, National Library of Medicine.
- Brioude F, Kalish JM, Mussa A, Foster AC, Bliek J, Ferrero GB, Boonen SE, Cole T, Baker R, Bertoletti M, Cocchi G, Coze C, De Pellegrin M, Hussain K, Ibrahim A, Kilby MD, Krajewska-Walasek M, Kratz CP, Ladusans EJ, Lapunzina P, Le Bouc Y, Maas SM, Macdonald F, Ounap K, Peruzzi L, Rossignol S, Russo S, Shipster C, Skorka A, Tatton-Brown K, Tenorio J, Tortora C, Gronskov K, Netchine I, Hennekam RC, Prawitt D, Tumer Z, Eggermann T, Mackay DJG, Riccio A, Maher ER. Expert consensus document: Clinical and molecular diagnosis, screening and management of Beckwith-Wiedemann syndrome: an international consensus statement. Nat Rev Endocrinol. 2018 Apr;14(4):229-249. doi: 10.1038/nrendo.2017.166. Epub 2018 Jan 29.
- Choufani S, Shuman C, Weksberg R. Beckwith-Wiedemann syndrome. Am J Med Genet C Semin Med Genet. 2010 Aug 15;154C(3):343-54. doi: 10.1002/ajmg.c.30267.
- Choufani S, Shuman C, Weksberg R. Molecular findings in Beckwith-Wiedemann syndrome. Am J Med Genet C Semin Med Genet. 2013 May;163C(2):131-40. doi: 10.1002/ajmg.c.31363. Epub 2013 Apr 16.
- Cooper WN, Curley R, Macdonald F, Maher ER. Mitotic recombination and uniparental disomy in Beckwith-Wiedemann syndrome. Genomics. 2007 May;89(5):613-7. doi: 10.1016/j.ygeno.2007.01.005. Epub 2007 Mar 6.
- Duffy KA, Cielo CM, Cohen JL, Gonzalez-Gandolfi CX, Griff JR, Hathaway ER, Kupa J, Taylor JA, Wang KH, Ganguly A, Deardorff MA, Kalish JM. Characterization of the Beckwith-Wiedemann spectrum: Diagnosis and management. Am J Med Genet C Semin Med Genet. 2019 Dec;181(4):693-708. doi: 10.1002/ajmg.c.31740. Epub 2019 Aug 30.
- Eggermann T, Algar E, Lapunzina P, Mackay D, Maher ER, Mannens M, Netchine I, Prawitt D, Riccio A, Temple IK, Weksberg R. Clinical utility gene card for: Beckwith-Wiedemann Syndrome. Eur J Hum Genet. 2014 Mar;22(3). doi: 10.1038/ejhg.2013.132. Epub 2013 Jul 3. No abstract available.
- Rump P, Zeegers MP, van Essen AJ. Tumor risk in Beckwith-Wiedemann syndrome: A review and meta-analysis. Am J Med Genet A. 2005 Jul 1;136(1):95-104. doi: 10.1002/ajmg.a.30729.
- Shuman C, Kalish JM, Weksberg R. Beckwith-Wiedemann Syndrome. 2000 Mar 3 [updated 2023 Sep 21]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1394/
- Smith AC, Choufani S, Ferreira JC, Weksberg R. Growth regulation, imprinted genes, and chromosome 11p15.5. Pediatr Res. 2007 May;61(5 Pt 2):43R-47R. doi: 10.1203/pdr.0b013e3180457660.
- Wang KH, Kupa J, Duffy KA, Kalish JM. Diagnosis and Management of Beckwith-Wiedemann Syndrome. Front Pediatr. 2020 Jan 21;7:562. doi: 10.3389/fped.2019.00562. eCollection 2019.
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