Abstract
Calciphylaxis is a potentially life-threatening complication of chronic renal failure.<sup>1</sup>Indeed, patients presenting with calciphylaxis may have extensive skin necrosis due to medial calcification and intimal hyperplasia in subcutaneous arteries.<sup>2,3</sup>Parathyroidectomy is the treatment of choice, although often unrewarding.<sup>2</sup>In radiographs the process is seen as a fine double-lined network of calcifications. However, radiographs taken after recovery from necrosis often fail to demonstrate any regression of small artery calcification. We describe a patient with chronic renal failure who developed calciphylaxis and in whom low-calcium dialysis led to significant improvement. Readings from a 3-dimensional scanner clearly showed the extent of the calcification and its regression after treatment. <h3>Report of a Case.</h3> A 46-year-old African man was hospitalized for chronic renal failure (creatinine level, 1358 μmol/L [15.36 mg/dL]), which was a complication of reactive systemic amyloidosis. He first underwent dialysis with femoral catheters in his country and then
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