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Table 1 Cytologic diagnosis of parotid gland tumours without histopathologic diagnosis

From: Reduced percentage of inconclusive reports and need for repeated fine needle aspirations in ultrasound versus free-hand parotid cytology

 

n

%

Benign (n = 182)

 Warthin’s tumour

63

34.6

 Pleomorphic adenoma

58

31.9

 Cyst

19

10.4

 Benign lymphoid tissue

13

7.1

 Benign salivary tissue

9

4.9

 Abscess

6

3.3

 Oncocytoma

4

2.2

 Multiple benign diagnosis

4

2.2

 Chronic sialadenitis

3

1.6

 Monomorphic adenoma

1

0.5

 Metaplastic squamous reaction

1

0.5

 Branchial cyst

1

0.5

Malignant (n = 16)

 Squamous cell carcinoma

3

18.8

 Adenocarcinoma

3

18.8

 Poorly differentiated carcinoma

2

12.5

 Mucoepidermoid carcinoma

2

12.5

 Mucoepidermoid carcinoma vs SCC

2

12.5

 Lymphoma

1

6.3

 Carcinoma ex-pleomorphic adenoma

1

6.3

 Lymphoma vs small cell carcinoma

1

6.3

 Multiple malignant diagnosis

1

6.3