Table 3. Number and percentage of studies where use of pretreatment modalities and ancillary techniques for diagnosis of thyroid lymphoma has been elaborated.
| Ancillary techniques | Asian studies (18) | Western studies (22) |
|---|---|---|
| Fine needle aspiration cytology | 16 (88.9) | 16 (72.7) |
| Liquid-based cytology | 0 | 3 (13.6) |
| Immunocytochemistry | ||
| Cell blocks | 0 | 3 (13.6) |
| Smears | 2 (11.1) | 2 (9.1) |
| Immunohistochemistry | 4 (22.2) | 8 (36.4) |
| Flowcytometry | 3 (16.7) | 7 (31.8) |
| Molecular testing | ||
| PCR for gene rearrangement | 1 (5.6) | 4 (18.2) |
| Cytogenetics | 2(11.1) | 3 (13.6) |
| Southern blot | 2(11.1) | 0 |
| EBER-ISH | 1 (5.6) | 2 (9.1) |
| FISH | 0 | 1 (4.5) |
Data present as n (%). EBER-ISH, Epstein-Barr encoding region-in situ hybridization; FISH, fluorescence in-situ hybridization; PCR, polymerase chain reaction.