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Skin General e570b9b5

Which of the following is wrong statements:

A
Koilonychia in Vit B12 deficiency
B
Oncholysis in Psoriasis
C
Mees lines in Arsenic poisoning
D
Pterygium of nailis in Lichen Planus
High-Yield Explanation
Ans: A i.e. Koilonychia in Vit B12 deficiency. Koilonychia (Spoon nail) The nail is concave with raised edges. Seen in Iron Deficiency Anemia,Hypothyroidism,Lichen Planus.

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