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Table 1 Patients and tumor characteristics

From: Impact of removing mastoid process for advanced parotid cancer on facial nerve identification, preservation and reconstruction

Characteristics

Number

Characteristics

Number

Gender

 

Pathological type

 

Male

9

Carcinoma ex pleomorphic adenoma

4

Female

9

Salivary duct carcinoma

3

Age

 

Epithlial-myoepithlial carcinoma

2

Range

30-84

squamous cell carcinoma

2

Mean

59.3

Adenocarcinoma

2

Median

65

Acinic cell carcinoma

2

  

others

3

Previous treatment

   

Untreated

13

HB scores

 

Recurrent

5

I

4

  

II

5

Stage

 

III

2

Ill

3

IV

0

IVA

8

V

3

I’VE

7

VI

4