<prompt> Psammoma bodies are seen in:Papillary carcinoma of thyroidFollicular carcinoma of thyroidAnaplastic carcinoma of thyroidLymphoma of thyroid  <response>: Ans. A: Papillary carcinoma of thyroid A psammoma body is a round collection of calcium, seen microscopically. The term is derived from the Greek word psammos meaning sand. Psammoma bodies are commonly seen in ceain tumors such as: Papillary thyroid carcinoma Papillary renal cell carcinoma Serous papillary ovarian adenocarcinoma cystadenocarcinoma Endometrial adenocarcinomas Papillary serous carcinoma -3-4 Meningioma Mesothelio ma Psammoma bodies usually have a laminar appearance. 