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Image Number 285 (Pellagra)


Diagnosis: Pellagra

Site: Cheek

Sex: F

Age: 72

Type: Clinical

Description: Scaly eroded plaque on the face

Submitted by: Ian McColl

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Differential Diagnosis


This elderly derelict female presented with a photodistributed crusted plaque on her hands and face and legs.She was an alcoholic suffering from a deficiency of niacin or its precursor,tryptophan. Pellagra shows the three Ds of diarrhea,dementia and dermatitis.The condition will reverse remarkably quickly on a normal diet.

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