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A 32-year-old man reported having had back and abdominal pain, nausea, and constipation for several weeks. The results of laboratory studies were notable for normocytic anemia, a hemoglobin level of 7.9 g per deciliter, a mean corpuscular volume of 82 µm3, and basophilic stippling of erythrocytes. The serum lead level was elevated, at 143.5 µg per deciliter (6.9 µmol per liter; normal, less than 10.0 µg per deciliter [0.5 µmol per liter]). The man had sustained a gunshot wound to the right elbow six years earlier. The radiograph of the elbow showed the presence of multiple radiodense opacities. The . . . [Full Text of this Article] |
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