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Case Study: February 2017
History A 45 year old male presents with bilateral upper lid dermatochalasia and undergoes bilateral blepharoplasties. His medical history includes rheumatoid arthritis.
Fig 1-skin
Fig 2-Toluidine blue stain.
Questions
1. What does figure 1 show?
2. What does figure 2 show?
3. What is the hitopathological reaction pattern?
4. Is there any relevance to the patient’s past medical history?
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Answers
1. Rather ‘oedematous’ skin at low power.
2. Metachromatic mucin (purple stringy material).
3. Dermal / cutaneous mucinosis
4. Secondary dermal mucinoses are associated with autoimmune connective tissue disorders.
References
http://www.dermnetnz.org/topics/cutaneous-mucinoses/
http://www.pcds.org.uk/clinical-guidance/mucinoses
