[Diagnosis and problems in follow-up of tumors with psammoma bodies]

Psammombodies are dystrophic calcifications with high density in CT being helpful to detect even small metastases. Examination should be done without oral administration of iodine to prevent mimicking metastases in contrasted bowel loops. In 3 cases with seropapillary carcinoma radiologic findings including scintigraphy and problems of diagnosis and follow-up are discussed.