Metastatic pulmonary calcification: First report of pulmonary calcium suppression using dual-energy CT
Radiology Case Reports(2020)
Abstract
Metastatic pulmonary calcification is an underdiagnosed metabolic lung disease characterized by diffuse calcium deposition in the lungs, often associated with secondary hyperparathyroidism due to chronic renal failure. A 31-year-old man with chronic renal failure initially presented with diffuse pain symptoms, deterioration of general condition, and respiratory insufficiency. Noncontrast-enhanced computed tomography of the chest was performed using a spectral-detector-based dual-energy CT. It showed multiple, centrilobular, ground-glass opacities, and nodules, ultimately leading to the diagnosis. Calcium suppression proved to be highly useful to classify the pulmonary alterations.
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Key words
Metastatic pulmonary calcification,Dual-energy CT,Spectral-detector CT,Calcium suppression,Chronic renal failure,Secondary hyperparathyroidism
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