Table 3: The table summarizes both the clinical and pathologic features in 31 cases of laryngeal SFT.

 Sex                        

 

Males

64%

Females

36%

Males/females ratio

2:1

Sites

 

Supraglottic

70%

Glottic

23%

Subglottic

7%

Histological variants

 

Fibrotic

53.5%

§Cellular

46.5%

Clinical behavior

 

Benign

100%

Malignant

nr

Local recurrences

nr

#Atypical histologic features

10%

nr: not reported; §: previously classified as HPC; #: atypical histologic features consist in both hypercellularity and increased mitotic count [> 4/10HPF].