Calcifying pulmonary metastases

Last revised by Mostafa El-Feky on 06 Aug 2022

Calcifying pulmonary metastases are rare. These should not be confused with metastatic pulmonary calcification.

Pathology

Calcification in metastases can arise through a variety of mechanisms: bone formation in tumors of osteoid origin, calcification and ossification of tumor cartilage, dystrophic calcification and ossification of tumor cartilage, dystrophic calcification and mucoid calcification.

A number of primary malignancies can potentially cause calcification. The reported spectrum includes metastatic nodules from 3:

A useful mnemonic to remember the various causes can be found here.

See also

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Cases and figures

  • Case 1: from osteosarcoma
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  • Case 2: from osteosarcoma
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  • Case 3: from osteosarcoma
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