A “spoon-shaped” deformity of the nail, usually large enough to hold a drop of liquid. Normal in infants (but
resolving after the first few years of life), it also may result from trauma, recurrent exposure to petroleumbased solvents, or nail-patella syndrome. It is also seen in Raynaud’s disease or lupus erythematosus, but rarely in isolation. Finally, it can occur with iron deficiency (with or without anemia) or, paradoxically, hemochromatosis (check iron, hemoglobin).
resolving after the first few years of life), it also may result from trauma, recurrent exposure to petroleumbased solvents, or nail-patella syndrome. It is also seen in Raynaud’s disease or lupus erythematosus, but rarely in isolation. Finally, it can occur with iron deficiency (with or without anemia) or, paradoxically, hemochromatosis (check iron, hemoglobin).
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