Extramedullary hematopoiesis involving the thyroid: A rare cytologic finding in otherwise healthy patients and review of literature

Conclusion Four patients were noted to have bone marrow elements on the smears among 63,361 thyroid FNA samples. These four Taiwanese women presented with nodular goiter and foci of hematopoietic elements by thyroid FNA without any chronic disease of hematopoietic tissue or any evidence of a thyroid malignancy.
Source: Journal of the Formosan Medical Association - Category: General Medicine Source Type: research