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Foot drop, muscle atrophy, cuticle thickening, and pigmentation in arsenic poisoning

"Dropping" of feet, slight atrophy of muscles, thickened and separating cuticle, and pigmentation in a person poisoned with arsenic-contaminated beer. (Source: Kelynack TN, Kirkby W. Arsenical poisoning in beer drinkers. London: Baillière, Tindall and Cox, 1901. Public domain.)