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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Familial cold autoinflammatory syndrome


Other Names for this Disease

  • Familial cold urticaria
  • Familial polymorphous cold eruption
  • FCAS
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Tests & Diagnosis

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How is familial cold autoinflammatory syndrome diagnosed?

Familial cold autoinflammatory syndrome (FCAS) is primarily a clinical diagnosis, meaning that it is mostly based on the presence or absence of specific of signs and symptoms as well as family history.[1] Diagnostic criteria have been proposed in order to distinguish FCAS from acquired cold urticaria and other periodic fever disorders. The criteria include: recurring episodes of fever and rash that primarily follow cold exposures; autosomal dominant pattern of disease inheritance in a family; age of onset younger than 6 months; duration of most attacks less than 24 hours; conjunctivitis in association with attacks; and absence of deafness, swelling around the eyes, enlarged lymph nodes, and serositis.[2][1] Having four of six of the criteria strongly suggests a diagnosis of FCAS. A diagnosis of FCAS may also be confirmed in some affected individuals by genetic testing.[1]
Last updated: 11/1/2013

References
  1. Hoffman HM. Familial Cold Autoinflammatory Syndrome. Orphanet Encyclopedia. February 2005; https://www.orpha.net/data/patho/GB/uk-FCAS.pdf.
  2. Simon A, Van Der Meer S, Drenth J. Familial autoinflammatory syndromes. In: Harris et al.,. Harris: Kelley's Textbook of Rheumatology, 7th ed. Philadelphia, PA: Saunders; 2005;


Testing

  • The Genetic Testing Registry (GTR) provides information about the genetic tests for this condition. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.
Other Names for this Disease
  • Familial cold urticaria
  • Familial polymorphous cold eruption
  • FCAS
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.