Naxos syndrome

Short description: Medical condition

Naxos disease

Other names| Diffuse non-epidermolytic palmoplantar keratoderma with woolly hair and cardiomyopathy
Cutaneous phenotype of Naxos disease: woolly hair (A), palmar (B) and plantar (C) keratoses.

Naxos disease[1] (also known as "diffuse non-epidermolytic palmoplantar keratoderma with woolly hair and cardiomyopathy"[1] or "diffuse palmoplantar keratoderma with woolly hair and arrhythmogenic right ventricular cardiomyopathy", first described on the island of Naxos by Dr. Nikos Protonotarios[1]) is a cutaneous condition characterized by a palmoplantar keratoderma.[1] The prevalence of the syndrome is up to 1 in every 1000 people in the Greek islands.[2]

It has been associated with mutations in the genes encoding the proteins desmoplakin, plakoglobin, desmocollin-2, and SRC-interacting protein (SIP).[3][4] Naxos disease has the same cutaneous phenotype as the Carvajal syndrome.[2]

## Symptoms

Between 80 and 99% of those with Naxos disease will display some of the following symptoms:

* Disease of the heart muscle
* Thickening of palms and soles
* Sudden increased heart rate
* Dizzy spells[5]
* Kinked hair[6]

## See also

* Olmsted syndrome
* List of cutaneous conditions
* List of conditions caused by problems with junctional proteins

## References

1. ↑ 1.0 1.1 1.2 1.3 Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 978-1-4160-2999-1.
2. ↑ 2.0 2.1 Protonotarios, Nikos; Tsatsopoulou, Adalena (2006). "Naxos disease: Cardiocutaneous syndrome due to cell adhesion defect". Orphanet Journal of Rare Diseases 1 (1): 4. doi:10.1186/1750-1172-1-4. PMID 16722579.
3. ↑ "Identification of a deletion in plakoglobin in arrhythmogenic right ventricular cardiomyopathy with palmoplantar keratoderma and woolly hair (Naxos disease)". Lancet 355 (9221): 2119–24. June 2000. doi:10.1016/S0140-6736(00)02379-5. PMID 10902626.
4. ↑ "Keratoderma with woolly hair". April 17, 2018. https://ghr.nlm.nih.gov/condition/keratoderma-with-woolly-hair.
5. ↑ "Naxos disease - About the Disease - Genetic and Rare Diseases Information Center" (in en). https://rarediseases.info.nih.gov/diseases/9795/naxos-disease.
6. ↑ "Naxos disease | Genetic and Rare Diseases Information Center (GARD) – an NCATS Program". https://rarediseases.info.nih.gov/diseases/9795/naxos-disease.

## External links

Classification|

* OMIM: 601214

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