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Difference between revisions of "Pressure ulcer"
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→Microscopic
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Features: | Features: | ||
*Ulceration - full thickness loss of the epidermis. | *Ulceration - full thickness loss of the epidermis. | ||
*Epidermal thickening adjacent to ulcer - [[pseudoepitheliomatous hyperplasia]].<ref name=pmid21399447>{{Cite journal | last1 = Zayour | first1 = M. | last2 = Lazova | first2 = R. | title = Pseudoepitheliomatous hyperplasia: a review. | journal = Am J Dermatopathol | volume = 33 | issue = 2 | pages = 112-22; quiz 123-6 | month = Apr | year = 2011 | doi = 10.1097/DAD.0b013e3181fcfb47 | PMID = 21399447 }}</ref> | *Epidermal thickening ([[acanthosis]] and [[hyperkeratosis]]) adjacent to ulcer - [[pseudoepitheliomatous hyperplasia]].<ref name=pmid21399447>{{Cite journal | last1 = Zayour | first1 = M. | last2 = Lazova | first2 = R. | title = Pseudoepitheliomatous hyperplasia: a review. | journal = Am J Dermatopathol | volume = 33 | issue = 2 | pages = 112-22; quiz 123-6 | month = Apr | year = 2011 | doi = 10.1097/DAD.0b013e3181fcfb47 | PMID = 21399447 }}</ref> | ||
*Inflammation - lymphocytes, plasma cells, [[neutrophils]]. | *Inflammation - lymphocytes, plasma cells, [[neutrophils]]. | ||
*+/-Abscess formation - clusters of extravascular neutrophils. | *+/-Abscess formation - clusters of extravascular neutrophils. | ||