CTICasesTumoral Calcinosis and Dendriform Pulmonary Ossification
Imaging findings
Radiographs and CT scans reveal extensive, massive, lobulated calcific soft-tissue masses surrounding both shoulder joints, typical of tumoral calcinosis in a hemodialysis patient. Additionally, the lung windows show numerous small, uniform, branching subpleural and basal calcified nodules highly suggestive of dendriform pulmonary ossification (DPO).
Key takeaways
Tumoral calcinosis is a metabolic disorder characterized by the deposition of calcium phosphate in periarticular soft tissues, commonly seen in patients with end-stage renal disease on chronic hemodialysis. Dendriform pulmonary ossification is a rare, benign form of metaplastic bone formation within the lung parenchyma that can coexist with systemic calcification disorders.
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