CTICasesPulmonary Calcified Axis (Metastatic Calcification)
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Imaging findings
An abdominal CT incidentally showed a ground-glassy, almost alveolar pattern in the right lower lobe lung base, where the septa were spared. A follow-up chest CT showed this abnormality, noted to be chronic and probably unchanged. Soft tissue windows revealed extensive calcifications, including left atrial, coronary, mitral, dural, and pulmonary artery calcifications.
Key takeaways
This 39-year-old female patient with multiple failed renal transplants, long-standing diabetes, and renal failure has widespread calcifications throughout her body, involving the dura, left atrium, coronary arteries, mitral valve, and pulmonary arteries. The lung abnormality is presumed to be pulmonary calcified axis, a manifestation of metastatic calcification due to her underlying metabolic derangements.
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