Image appears with permission from VisualDx. © Logical Images, Inc.
QUESTIONS
1. What is your diagnosis?
- a.Nummular dermatitis.
- b.Venous dermatitis.
- c.Xerosis.
- d.Ichthyosis vulgaris.
- e.Tinea corporis.
2. Which of the following is true of occlusion?
- a.Increased epidermal maturation is seen when occlusion is applied.
- b.Optimal benefits of occlusion are seen quickly.
- c.Scar reduction resulting from occlusion is similar to that achieved with silicone sheets.
- d.The effects of occlusion are mediated by IL-7.
- e.Occlusion increases transepidermal water loss.
3. Similarities between mucosal healing (compared with cutaneous healing) and healing with occlusion (compared with healing without occlusion) include:
- a.Reduction in inflammatory cytokines.
- b.Reduction in scar formation.
- c.Faster healing.
- d.Increased moisture.
- e.All of the above.
Topic Article
Answers are available as supplementary material at http://dx.doi.org/10.1038/jid.2014.74.
- Supplementary Information 1
Additional images related to this condition and the differential diagnosis may be found at: http://www.visualdx.com/visualdx/visualdx6/getZoomImage.do?moduleId=28&diagnosisId=52982&imageIndex=3&sl=c249ZGFsbGlhJmlkPTcyNjM%3D
REFERENCES
Questions 2 and 3 refer to the following article
- The expression of proinflammatory genes in epidermal keratinocytes is regulated by hydration status.J Invest Dermatol. 2014; 134: 1044-1055
Article info
Footnotes
JID and Logical Images, Inc., have cooperated to offer the JID VisualDx Quiz, incorporating diagnostic images from VisualDx’s vast database. Questions relate to the image as well as to selected articles in JID, which are listed after the questions. Answers will be posted as supplementary material. We hope you enjoy this challenge.
Identification
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© 2014 The Society for Investigative Dermatology, Inc. Published by Elsevier Inc.
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