Dorsal pterygium L60.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

acanthoid nail; dorsal pterygium; dorsal pterygium unguis; Pterygium inversum Unguis

History
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Caputo and Prandi, 1973

Definition
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Scarred end result of an inflammatory process of the nail organ that has led to complete or circumscribed adhesions of nail matrix and proximal nail fold. This leads to a skin bridge (pterygium, wing skin) and to a division of the nail plate into 2 (or more, see figure). The consequences are partial or complete nail loss(anonychia). The pterygium is observed in the following diseases:

  • lichen planus
  • Systemic Scleroderma
  • Systemic lupus erythematosus
  • Burns
  • Mechanical traumas
  • epidermolysis bullosa
  • After tumors of the nail matrix

Therapy
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Plastic surgery correction.

Literature
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  1. Baek JH et al (2014) A case of acquired idiopathic pterygium inversum unguis. Ann Dermatol 26:374-376
  2. Caputo R, Prandi G (1973) Pterygium inversum unguis. Arch Dermatol 108: 817-818
  3. Chiheb S et al (2015) Clinical characteristics of nail lichen planus and follow-up: a descriptive study of 20 patients. Ann Dermatol Venereol 142:21-25
  4. Erdogan AG et al (2013) Pterygium unguis in leprosy. Int J Dermatol 52:1621-1623
  5. Perrin C et al(2008) Onychomatricoma with dorsal pterygium: pathogenic mechanisms in 3 cases. J Am Acad Dermatol 59: 990-994

Outgoing links (1)

Anonychia (overview);

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020