Season 6 Case 35
History: shortness of breath. Several recent studies showing the exact same parenchymal appearance!
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Case 35 Answer
Answer: Metastatic Pulmonary Calcification
Yes, all that cloud-like whiteness is calcium. Classic appearance is fluffy cloud like densities which may or may not appear calcified (because it is so fine, the density/appearance can be misleading). There is often a gradient with lung apices more involved than the bases
Causes include: Chronic Renal failure, Hyperparathyroidism, IV Calcium therapy and multiple myeloma