Table 2.

Distribution of histopathological diagnoses according to the status of previous laryngeal surgery (n = 170)

Diagnosis	Previous laryngeal surgery		Total
	Yes	No
Invasive carcinoma	8	32	40 (23.5%)
Carcinoma in situ	2	0	2 (1.2%)
Severe dysplasia	2	1	3 (1.8%)
Moderate dysplasia	3	3	6 (3.5%)
Mild dysplasia	2	5	7 (4.1%)
Lipoma	0	1	1 (0.6%)
Papilloma	10	1	11 (6.5%)
Granuloma	0	6	6 (3.5%)
Hemangioma	0	3	3 (1.8%)
Polyp	0	18	18 (10.6%)
Cyst	0	16	16 (9.4%)
REINKE’s edema	0	28	28 (16.5%)
Hyper-/parakeratosis	2	13	15 (8.8%)
Chronic inflammation	3	11	14 (8.2%)
Total lesions	32 (18.9%)	138 (81.1%)	170 (100%)