Skin nontumor

Spongiotic, psoriasiform and pustular reaction patterns

Stasis dermatitis

Last author update: 1 August 2011
Last staff update: 9 November 2020

Copyright: 2002-2023,, Inc.

PubMed Search: Stasis dermatitis

Mowafak Hamodat, M.B.Ch.B., M.Sc.
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Cite this page: Hamodat M. Stasis dermatitis. website. Accessed September 27th, 2023.
Definition / general
  • Due to chronic venous stasis, usually on lower extremities
  • May have secondary infection and ulcers
  • Common disorder of middle aged and older individuals
Clinical features
  • In the early stages, there is edema of the lower one-third of the legs, which have a shiny and erythematous appearance
  • Subsequently, dry and scaly or crusted and weeping areas may develop
  • Sometimes the changes are most prominent above the medial malleoli
Clinical images

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Stasis dermatitis

Microscopic (histologic) description
  • Characterstic lobular pattern of superficial and deep dermal neovascularization with dermal fibrosis, perivascular lymphocytic infiltrates, histiocytes and variable number of plasma cells, extravasated erythrocytes and hemosiderin laden macrophages
  • Hyperplasia of endothelial cells
  • Variable acanthosis and hyperkeratosis
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