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contentuptodate· Content· item f8_39_8821

©2013 UpToDate ® Print Email Atrophic glossitis A smooth tongue that has lost its papillae and is often sore suggest a deficiency in riboflavin, niacin, folic acid, vitamin B12 or iron. This patient had vitamin B12 deficiency. Reproduced with permission from: Berg D, Worzala K. Atlas of Adult Physical Diagnosis. Philadelphia: Lippincott Williams & Wilkins, 2006. Copyright © 2006 Lippincott Williams & Wilkins.