TABLE 5.

Most Frequent False‐Negative Histopathological Diagnoses Arranged by Their Corresponding False‐Negative Rates

Type of Malignancy	False‐Negatives, No.	False‐Negative Rate, %a
Myoepithelial carcinoma	12	57.1
Epithelial‐myoepithelial carcinoma	19	47.5
Mucoepidermoid carcinoma	42	43.8
Carcinoma ex pleomorphic adenoma	19	32.8
Acinic cell carcinoma	41	29.9
Adenoid cystic carcinoma	11	23.4
Metastatic squamous cell carcinoma	12	5.0

(False negatives on fine‐needle aspiration cytology/Total number of histopathological diagnoses) × 100

Only diagnoses with at least 10 false‐negative results are included.

^a The false‐negative rates were calculated as follows: