Bitot's spots

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Bitot's spots
Classification and external resources
ICD-10	E 50.1
ICD-9	264.1

Bitot's spots are the buildup of keratin debris located superficially in the conjunctiva, which are oval, triangular or irregular in shape. These spots are a sign of vitamin A deficiency and are associated with conjunctival xerosis. In ancient Egypt, this was treated with animal liver.

Treatment

External links

1174798366 at GPnotebook
Illustration
BJO Online
Online Atlas of Ophthalmology at the University of Iowa

Nutrition disorders (E40-68, 260-269)

Hypoalimentation/
malnutrition

Protein-energy
malnutrition

Kwashiorkor · Marasmus · Catabolysis

B vitamins	B₁: Beriberi/Wernicke's encephalopathy(Thiamine deficiency) · B₂: Ariboflavinosis · B₃: Pellagra(Niacin deficiency) · B₆: Pyridoxine deficiency · B₇: Biotin deficiency · B₉: Folate deficiency · B₁₂: Vitamn B₁₂ deficiency
Other vitamins	A: Vitamin A deficiency/Bitot's spots · C: Scurvy · D: Hypovitaminosis D/Rickets/Osteomalacia · E: Vitamin E deficiency · K: Vitamin K deficiency

Mineral
deficiency

Zinc · Iron · Magnesium · Chromium · Selenium (Keshan disease) · Manganese · Molybdenum · Copper · Calcium · Potassium

Hyperalimentation

Overweight · Obesity	Childhood obesity · Obesity hypoventilation syndrome · Abdominal obesity
Vitamin poisoning	Hypervitaminosis A · Hypervitaminosis D · Hypervitaminosis E
Mineral overload	see inborn errors of metal metabolism, toxicity

noco, nuvi, sysi/epon

drug(A8/11/12)

Eponymous medical signs for eyes and ears

Adnexa	lacrimal: Schirmer's test eyelid: Abadie's sign · Boston's sign · Dalrymple's sign · Stellwag's sign
Globe	pupil: Argyll Robertson pupils · Adie pupil · Marcus Gunn pupil iris: Fleischer ring · Kayser-Fleischer ring · Brushfield spots · Lisch nodule conjunctiva: Bitot's spots retina: Hollenhorst plaque · Roth's spot other: Alexander's law · Hirschberg test · Siegrist streaks · Hudson-Stahli line

auditory: Rinne test · Weber test
vestibular: Unterberger test

anat(g, a, p)/phys/devp/cell

noco/cong/tumr, epon

proc, drug(S1A/1E/1F/1L)

anat(e, p)/phys/devp

noco/cong, epon

proc, drug(S2)

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pl:Plamki Bitota

pt:Manchas de Bitot

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