Abstract
Clinical signs and features include:
Genodermatosis associated with carcinoma of the esophagus
Leukoplakia
Palmoplantar keratoderma (PPK): thickening of the skin on the palms and soles with pruritus and deep, painful fissures; focal hyperkeratotic skin related to physical activity and with regression on bed rest
PPK begins in the second decade
Associated risk of esophageal squamous cell cancer with 90 % developing by age 65 and usually earlier at age 45
Two families in the United Kingdom and one family in the United States have been found with the condition to date
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References
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Howel-Evans W, McConnell RB, Clarke CA, Sheppard PM. Carcinoma of the oesophagus with keratosis palmaris et plantaris (tylosis). Q J Med. 1958;27:413–9.
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Zakko, L., Finch, J., Rothe, M.J., Grant-Kels, J.M. (2013). Howel-Evans Syndrome: Dermatological Features (Familial Keratoderma with Carcinoma of the Esophagus). In: Wu, G., Selsky, N., Grant-Kels, J. (eds) Atlas of Dermatological Manifestations of Gastrointestinal Disease. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6191-3_6
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DOI: https://doi.org/10.1007/978-1-4614-6191-3_6
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