Skin nontumor
Spongiotic, psoriasiform and pustular reaction patterns
Stasis dermatitis
Last author update: 1 August 2011
Last staff update: 9 November 2020
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PubMed Search: Stasis dermatitis
Table of Contents
Definition / general | Epidemiology | Clinical features | Clinical images | Microscopic (histologic) description | Additional referencesCite this page: Hamodat M. Stasis dermatitis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skinnontumorstasisdermatitis.html. Accessed January 18th, 2025.
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
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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
Additional references
