Table 1 Clinical and symptoms characteristics

Gender

 Male

14

45.20%

 Female

17

54.80%

Age (years) (average/ range)

44.7

Nov-80

Follow-up (months) (average/ range)

14

Jun-26

Comorbidities

 Hypertension

9

29.00%

 Diabetes mellitus

2

3.20%

 Auto-immune diseases

2

6.45%

 Thyroid cancer with RIT

5

16.10%

 Tobacco smoker

2

6.45%

 High volume milk ingestion

6

19.35%

 Antidepressant medication

2

6.45%

Time to diagnosis at first consultation (months)

23.2

1–168

(average/range)

Symptoms characteristics before procedure (more than one)

 Swellings

30

96,8%

 Pain

28

90.30%

 Pus in the oral cavity

6

19.35%

 Sialolithiasis perception

18

58.00%

 Salivation changes

14

45.20%

 Dry mouth

10

32.20%

Time of symptoms duration (months) (average, range)

23.5

1–168

Complaints per week (average, range)

4.5

Jan-14

Pre-operatory pain (VAS 0–10)

7.4

01-Oct

(average/ range)

Gland involved

 Parotid

10

32.30%

 Submandibular

21

67.70%

 Sublingual

0

0%

Side

 Right

17

54.80%

 Left

8

25.80%

Bilateral

6

19.40%

Etiology (some bilateral)

 Pure stones

16

51.60%

 Stenosis (radioiodine/inflammatory)

13

41.90%

 Stenosis + stones

4

12.90%

Radiological pre-operatory exam

 Ultrasound (USG)

30

96.70%

 Tomography (CT)

18

58.10%

 Resonance (MR)

14

45.20%

 Scintigraphy

5

16.10%

Size stones on USG (mm) (average/ range)

3.77

Feb-15