Table 4.
Root cause analysis of each non-diagnostic pediatric salivary gland FNA.
| Patient # | Final diagnosis | ROSE | Reason for nondiagnosis | Primary cause | Secondary cause |
|---|---|---|---|---|---|
| 1 | Benign lymph node | Inadequate | Blood only | Material: small lesion (1 cm) | Method: no image guidance |
| 2 | Unknown | Inadequate | Blood only | Man: sampling | N/A |
| 3 | Benign lymph node | Inadequate | Rare anucleated squamous cells, histiocytes and debris | Man: sampling | N/A |
| 4 | Benign lymph node | Inadequate | Benign salivary gland tissue | Man: sampling | Method: no image guidance |
| 5 | Lesion resolved | Inadequate | Fibroconnective tissue and blood | Material: no discrete mass | Method: no image guidance |
| 5 (repeat FNA) | Lesion resolved | N/A | Few anucleated squamous cells | Material: no discrete mass | Method: no image guidance, no ROSE |
| 6 | Lesion resolved | Inadequate | Blood only | Man: sampling | Method: no image guidance |
| 7 | Hemangioma | Inadequate | Scant salivary gland tissue | Man: sampling | Material: vascular lesion; Method: no image guidance |
| 8 | Hemangioma | Inadequate | Fibroconnective tissue and blood | Material: vascular lesion | Machine: no cell block |
| 9 | Branchial cleft remnant | N/A | Blood and few macrophages | Material: cystic lesion | N/A |
| 10 | Hemangioma | Inadequate | Blood and rare stromal elements | Material: vascular lesion | Machine: no cell block |
| 11 | Vascular malformation | Inadequate | Rare anucleated squamous cells and debris | Man: sampling | Material: vascular lesion |
| 12 | Pleomorphic adenoma | Inadequate | Benign salivary gland acinar and ductal cells | Man: sampling | Method: no image guidance |
| 13 | Vascular malformation | Adequate | Benign salivary gland tissue and rare lymphocytes | Material: vascular lesion | Method: no image guidance |
| 14 | Pleomorphic adenoma | Inadequate | Blood, few acinar cells, scant ductal cells, and rare proteinaceous material | Man: sampling | Method: no image guidance |
| 14 (repeat FNA) | Pleomorphic adenoma | Inadequate | Few acinar cells and lymphocytes | Man: sampling | Method: no image guidance |
| 15 | Benign lymph node | Inadequate | Blood and debris | Man: sampling | Method: no image guidance |
| 16 | Benign lymph node | Inadequate | Paucicellular specimen with acinar cells and blood | Man: sampling | Method: no image guidance |
FNA, fine‐needle aspiration; ROSE, rapid on-site evaluation.