| 词条 | Bitot's spots |
| 释义 |
| name = Bitot's spots | image = Typical location of Bitot's spots.jpg | caption = Typical location of Bitot's spots | pronounce = | field = | synonyms = ICD10 = {{ICD10|E|50|1|e|50}} | | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }}Bitot's spots are the buildup of keratin located superficially in the conjunctiva of human´s eyes. They can be oval, triangular or irregular in shape. The spots are a sign of vitamin A deficiency and associated with drying of the cornea. In 1863, the French physician Pierre Bitot (1822-1888) first described these spots.[1] The spots may abate under replacement therapy.[2] In ancient Egypt, this was treated with animal liver, which is where vitamin A is stored.[3] References1. ^{{cite journal|last1=Shukla|first1=M|last2=Behari|first2=K|title=Congenital Bitot spots.|journal=Indian Journal of Ophthalmology|date=Jul 1979|volume=27|issue=2|pages=63–4|pmid=541036|url=http://www.ijo.in/article.asp?issn=0301-4738;year=1979;volume=27;issue=2;spage=63;epage=64;aulast=Shukla}} 2. ^J. Ram and J. Jinagal [https://www.nejm.org/doi/full/10.1056/NEJMicm1715354 Bitot’s Spots] August 30, 2018, N Engl J Med 379:869. 3. ^{{cite book|last=Numitor|first=Gerd|title=Bitot's Spots|url=https://books.google.com/books?id=3yq6tgAACAAJ|date=February 2012|publisher=Flu Press|isbn=978-620-0-57824-2}} External links{{Medical resources| ICD9 = {{ICD9|264.1}} }}{{Nutritional pathology}}{{Eponymous medical signs for eyes and ears}}{{DEFAULTSORT:Bitot's Spots}}{{med-sign-stub}}{{eye-stub}} 2 : Diseases of the eye and adnexa|Vitamin deficiencies |
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