Elastosis L94.83

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Actinic elastosis; Solar elastosis

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Clinical and histological term for a congenital or acquired degeneration of the collagenous connective tissue in the corium. The elastotic material (see Elastosis actinica) behaves "staining technically" like the elastic fibres of the skin (hence the artificial name "elastotic").

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  • Skin areas exposed to light; forehead, nose, cheeks, neck.
  • Notice! Other areas such as the back of the hands, forearms and neck react less with clumpy elastosis than with dermal atrophy. An example of this is the erythrosis interfollicularis colli


Clinical features
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  • Circumscribed, congenital elastotic skin changes are found in Pseudoxanthoma elasticum.
  • Acquired elastosis: Clinically, a coarsened skin relief with pronounced macro-wrinkle formation is impressive. The skin is flaccid, wrinkled and coarse-fielded in the areas exposed to light. When the skin is stretched, a yellowish net pattern can be seen in the dermis. An increase in elastotic deposits leads to the formation of soft, skin-coloured to slightly yellowish, patch-like skin fields (see also Elastosis actinica). The "elastotic" degeneration of the skin leads to a loss of skin tension, to an increased formation of wrinkles, to a widening of the skin pores. This loss of elasticity leads to the clinical picture of elastoidosis cutanea nodularis et cystica in the face (in "weather-tanned people"), especially above the zygomatic bones.
  • On the neck, this impresses in a particularly coarse-meshed skin field with deep wrinkles as Cutis rhomboidalis nuchae.

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Histologically, elastosis impresses as a clumpy material in the papillary body and in the upper corium, which in the Elastica-van-Gieson colouring is a red tinted (like elastic fibre material) amorphous material.


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


Last updated on: 29.10.2020