<prompt> Psamomma bodies are seen in?Papillary carcinoma thyroidMedullary carcinoma thyroidFollicular carcinoma thyroidAnaplastic carcinoma  <response>: Ans. a Papillary carcinoma thyroidRef. Robbiris pathology 9th ed. 1095 Psammoma bodies are associated with the papillary histo-morphology and are thought to arise from:1 The infarction and calcification of papillae tips2 Calcification of intra-lymphatic tumor thrombi Psammoma bodies are commonly seen in certain tumors such as: Papillary thyroid carcinoma Papillary renal cell carcinoma Ovarian papillary serous cyst-adenocarcinoma Endometrial adenocarcinomas Papillary serous carcinoma 3-4 Meningiomas, in the central nervous system Peritoneal and Pleural Mesothelioma Somatostatinoma Prolactinoma Mesothelioma, in membranes that line body cavities 