| MedPix™ Medical Image Database | Extramedullary hematopoiesis. | Acta Cytologica 2004 PubMed abstract | FNA diagnosis of extramedullary hematopoiesis. | Modern Pathology 1995 PubMed abstract | FNA diagnosis of extramedullary hematopoiesis. |
| PathMax | Cytopathology links of interest |