Table 2: Number of positive cases and associated intensity of staining.

 

1+ 

2+ 

3+

4+

Intensity 

Pagetoid Squamous Cell Carcinoma in Situ

1 case

 0

0

0

Weak

Collision Tumor

1 case

0

0

0

Weak

Paget’s Disease in the Breast

0

1 case

0

Moderate

Extramammary Paget’s Disease

4 cases

0

0

1 case

Weak in 1+ cases, Moderate in 4+ case

Melanoma in Situ

2 cases

2 cases

3 cases

 5 cases

Variable