Table 2 Distribution of iNOS immunohistochemical expression in a series of melanocytic nevi, primary and metastatic melanomas (n=66)

From: Inducible nitric oxide synthase expression in melanoma: implications in lymphangiogenesis

 

iNOS−, n (%)

iNOS, 1–20% n (%)

iNOS, 21–50% n (%)

iNOS, >50% n (%)

Melanocytic nevi (n=14)

9 (64.3)

1 (7.1)

3 (21.5)

1 (7.1)

Atypical ‘dysplastic’ nevi (n=14)

9 (64.3)

3 (21.5)

2 (14.2)

Radial growth phase melanomas (n=10)

3 (30.0)

1 (10.0)

4 (40.0)

2 (20.0)

Vertical growth phase melanomas (n=19)

3 (15.7)

8 (42.1)

4 (21.1)

4 (21.1)

Melanoma metastases (n=9)

3 (33.4)

2 (22.2)

2 (22.2)

2 (22.2)