The Role of Narrow Band Imaging in the Detection of Recurrent Laryngeal and Hypopharyngeal Cancer after Curative Radiotherapy

Table 4

False positive cases, characteristics.

Number	Sex, age	Pretreatment T, site	Previous treatment	FU to diagnosis	Histology
1	M, 66	1a, G	RT		Moderate dysplasia
2	M, 42	1b, G	RT		Hyperkeratosis
3	F, 42	1, S	RT		Chronic inflammation
4	M, 57	1a, G	RT		Moderate dysplasia