Skin inflammatory (nontumor)
Lichenoid and interface reaction patterns
Lichen nitidus

Author: Mowafak Hamodat, M.D., MB.CH.B, MSc., FRCPC (see Authors page)

Revised: 15 October 2018, last major update August 2011

Copyright: (c) 2002-2018,, Inc.

PubMed Search: Lichen nitidus

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Cite this page: Hamodat, M. Lichen nitidus. website. Accessed January 21st, 2019.
Definition / general
  • Children with asymptomatic, pinpoint, round, flesh-colored papules on trunk, genitalia, abdomen and forearms
  • May co-exist with lichen planus
Clinical images

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Tiny papules

Microscopic (histologic) description
  • Epidermis has parakeratosis and atrophy; clawlike pattern of curvilinear, fingerlike extensions and surrounding papillary dermal lymphocytic and histiocytic infiltrate
  • Occasionally multinicleate giant cells and parakeratosis; variable dyskeratotic keratinocytes at dermoepidermal junction; minimal lichenoid change
Differential diagnosis
  • Lichen planus: has orthohyperkeratosis and acanthosis with sawtooth pattern; positive direct immunofluorescence
Additional references