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| ==Corneal ulcer== | | ==Corneal ulcer== |
| ===General===
| | {{Main|Corneal ulcer}} |
| *Cause: trauma.<ref name=pmid26319343>{{Cite journal | last1 = Ahmed | first1 = F. | last2 = House | first2 = RJ. | last3 = Feldman | first3 = BH. | title = Corneal Abrasions and Corneal Foreign Bodies. | journal = Prim Care | volume = 42 | issue = 3 | pages = 363-75 | month = Sep | year = 2015 | doi = 10.1016/j.pop.2015.05.004 | PMID = 26319343 }}</ref>
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| *May threaten sight in the eye.<ref name=pmid26319343/>
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| ===Microscopic===
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| Feature:
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| *Ulceration of squamous epithelium.{{fact}}
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| DDx:
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| *[[Squamous dysplasia]].
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| ===Sign out===
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| <pre>
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| Corneal Button, Left Eye, Keratoplasty:
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| - Corneal ulcer associated with neovascularization and chronic inflammation.
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| - NEGATIVE for dysplasia.
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| </pre>
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| ==Corneal scar== | | ==Corneal scar== |