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Keratosis lichenoid actinicL57.0

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 14.02.2023

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Synonym(s)

benign lichenoid keratosis; lichenoid actinic keratosis; lichenoid keratosis; lichen-planus-like actinic keratosis; Lichen planus solitaire; lichen-planus type keratosis; LPLAK; solitary lichen planus

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DefinitionThis section has been translated automatically.

Variant of keratosis actinica: Occurring in sun-exposed areas, usually solitary, hyperkeratotic, reddish-brownish, macroscopically uncharacteristic flat papule with the histologic aspects of interface dermatitis.

ManifestationThis section has been translated automatically.

Mainly occurring in older women.

HistologyThis section has been translated automatically.

S.a. Keratosis actinica. Pronounced interface dermatits. In addition, the phenomena of actinic keratosis with disordered epithelial structure, focal parakeratosis, and polymorphous keratinocytes are found on light-damaged skin.

Differential diagnosisThis section has been translated automatically.

benign lichenoid keratosis; M. Bowen; basal cell carcinoma; verruca seborrhoica; dermatofibroma.

TherapyThis section has been translated automatically.

S.u. Keratosis actinica.

LiteratureThis section has been translated automatically.

  1. Al-Hoqail IA et al (2002) Benign lichenoid keratoses with histologic features of mycosis fungoides: clinicopathologic description of a clinically significant histologic pattern. J Cutan catheter 29: 291-294
  2. Dalton SR et al (2003) Atypical junctional melanocytic proliferations in benign lichenoid keratosis. Hum Pathol 34: 706-709
  3. Elgart GW et al (2001) Seborrheic keratoses, solar lentigines, and lichenoid keratoses. Dermatoscopic features and correlation to histology and clinical signs. Dermatol Clin 19: 347-357
  4. Inui S et al (2000) A case of lichen planus-like keratosis: deposition of IgM in the basement membrane zone. J Dermatol 27: 615-617
  5. Jang KA et al (2000) Lichenoid keratosis: a clinicopathologic study of 17 patients. J Am Acad Dermatol 43: 511-516
  6. Schepis C et al (2003) The papulokeratotic type of solitary benign lichenoid keratosis. Int J Dermatol 42: 722-723
  7. Shapiro L et al (1966) Solitary lichen planus-like keratosis. Dermatologica 132: 386-392
  8. Wolff H et al (1982) Lichenoid keratosis. dermatologist 33: 651-653

Authors

Last updated on: 14.02.2023

Author: Prof. Dr. med. Peter Altmeyer