Prayer nodulesL85.9

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 04.05.2022

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Synonym(s)

Betknie; Betknoten; hyperkeratosis malleoli lateralis; Yoga sign

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DefinitionThis section has been translated automatically.

Reactive, mechanically induced, grayish-yellowish, dirty-looking skin thickening with hyperkeratosis that occurs in areas exposed to repeated mechanical stress during religious activities.

Affected areas are mainly the patellar region ("prayer knee") mostly in Muslims (also occupationally in tile and parquet layers), as well as the forehead region (Muslims).

Furthermore, verrucous plaques can also occur on the malleoli laterales and the metatarsal joints of the Os metatarsale V in people who regularly sit cross-legged on the floor.

TherapyThis section has been translated automatically.

Avoid mechanical irritation (e.g. by padding). Nourishing externals like 2-5% urea cream R102.

LiteratureThis section has been translated automatically.

  1. O'Goshi KI et al (1998) Mucin deposition in a prayer nodule on the forehead. Dermatology 196:364.

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Last updated on: 04.05.2022