PMC6348499_01
CT scan of the lung shows a huge intrapulmonary mass with calcification.
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The mass showed multiple areas of amorphous calcification associated with pressure effect on lower and middle bronchus (Figure 1).
Gross of the pneumonectomy specimen shows a round white and cartilaginous tissue.
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Microscopic sections of intrapulmonary mass showing mostly cartilage, fibroblastic background, and bronchial epithelial lining (H&E, x100): a) Sections from intra-pulmonary mass show bronchial epithelial cells in the right corner and mature cartilage in the left corner; b) Sections from intra-pulmonary mass show bronchial epithelial cells in the right and mature cartilage in the left.
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No atypia or mitosis was present (Figure 3(a) and (b)).