Psammoma body: a product of dystrophic calcification or of a biologically active process that aims at limiting the growth and spread of tumor?

@article{Das2009PsammomaBA,
  title={Psammoma body: a product of dystrophic calcification or of a biologically active process that aims at limiting the growth and spread of tumor?},
  author={Dilip K Das},
  journal={Diagnostic cytopathology},
  year={2009},
  volume={37 7},
  pages={534-41}
}
Psammoma bodies (PBs) are concentric lamellated calcified structures, observed most commonly in papillary thyroid carcinoma (PTC), meningioma, and papillary serous cystadenocarcinoma of ovary but have rarely been reported in other neoplasms and nonneoplastic lesions. PBs are said to represent a process of dystrophic calcification. Despite numerous ancillary studies over a span of three and half decades, formation of PBs remains a poorly understood mechanism. Ultrastructural study of PTC has… CONTINUE READING

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