CTICasesDystrophic Calcification of prior PJP Consolidation
Imaging findings
CT chest in a patient with chronic lymphocytic leukemia (CLL) and end-stage renal disease shows dense, dystrophic calcification mapping the areas of previous Pneumocystis jirovecii pneumonia (PJP) consolidation in both lungs.
Key takeaways
Severe, necrotizing pulmonary infections like PJP can undergo dystrophic calcification during the healing phase. This process is accelerated in patients with chronic renal failure due to abnormal calcium-phosphate metabolism, leading to rapid, dense pulmonary parenchymal calcification mimicking metastatic calcification.
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