Table 2 Distribution of dysphonia group

Structural

Malignant

37

Premalignant

3

Benign

23

Vocal fold cyst

7

Vocal fold polyp

5

Vocal fold nodule

3

Laryngeal amyloidosis

3

Recurrent respiratory papillomatosis

3

Sulcus vocalis

2

Inflammatory

13

Laryngopharyngeal reflux

4

Tuberculosis laryngitis

2

Fungal laryngitis,

2

Laryngitis

2

Vocal fold edema,

2

Laryngeal perichondritis

1

Non-structural

Unilateral vocal fold palsy

28

Spasmodic dysphonia

9

Bilateral vocal fold palsy

5

Voice tremor

1

Presbylarynx,

4

Primary muscle tension dysphonia

4

Puberphonia

2

Psychogenic dysphonia

1