Skin inflammatory (nontumor)
Spongiotic, psoriasiform and pustular reaction patterns
Stasis dermatitis


Topic Completed: 1 August 2011

Revised: 26 March 2019

Copyright: 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Stasis dermatitis

Mowafak Hamodat, M.B.Ch.B., M.Sc.
Page views in 2018: 6,030
Page views in 2019 to date: 5,546
Cite this page: Hamodat M Stasis dermatitis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skinnontumorstasisdermatitis.html. Accessed October 13th, 2019.
Definition / general
  • Due to chronic venous stasis, usually on lower extremities
  • May have secondary infection and ulcers
Epidemiology
  • 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

Images hosted on other servers:

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
Additional references
Back to top