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Table 3 Comparison of sequencing, PCR, and IHC for determination of tumor viral status

From: Clinical and molecular characterization of virus-positive and virus-negative Merkel cell carcinoma

ID

TMB

TMB category

PCR # primer sets

IHC

ViroPanel

Virus-positive Evidence

Add’l VP Evidence

UV

VP or VN

MCC001

8.5

Intermediate

2

1

Positive

ViroPanel

PCR IHC

0

VP

MCC002

30.4

High

0

0

Negative

UV ViroPanel TM

 

1

VN

MCC003

0.0

Low

     

0

VP

MCC004

6.6

Intermediate

     

0

VP

MCC005

1.6

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC006

3.7

Low

  

Positive

ViroPanel

 

0

VP

MCC007

9.6

Intermediate

1

0

Negative

ViroPanel

 

0

VN

MCC008

2.7

Low

5

1

Positive

ViroPanel

PCR IHC

0

VP

MCC009

28.2

High

 

0

Negative

UV ViroPanel TM

 

1

VN

MCC010

4.3

Low

 

1

Positive

 

IHC

0

VP

MCC011

11.7

Intermediate

0

1

Negative

UV TM

 

1

VN

MCC012

0.0

Low

 

0

   

0

VP

MCC013

3.2

Low

5

1

Positive

ViroPanel

PCR IHC

0

VP

MCC014

3.7

Low

 

1

Positive

ViroPanel

 

0

VP

MCC015

27.7

High

0

0

Negative

UV ViroPanel TM

 

1

VN

MCC016

23.0

High

   

UV TM

 

1

VN

MCC017

2.5

Low

     

0

VP

MCC018

1.6

Low

     

0

VP

MCC019

4.3

Low

  

Positive

ViroPanel

 

0

VP

MCC020

27.7

High

 

0

Negative

UV TM

 

1

VN

MCC021

25.0

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC022

3.7

Low

  

Positive

ViroPanel

 

0

VP

MCC023

19.2

Intermediate

  

Negative

UV ViroPanel TM

 

1

VN

MCC024

3.2

Low

  

Positive

ViroPanel

 

0

VP

MCC025

0.0

Low

     

0

VP

MCC026

4.3

Low

  

Positive

ViroPanel

 

0

VP

MCC027

2.7

Low

4

1

Positive

ViroPanel

PCR IHC

0

VP

MCC028

29.3

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC029

5.3

Low

 

0

   

0

VP

MCC030

38.9

High

0

0

Negative

UV ViroPanel TM

 

1

VN

MCC031

1.6

Low

     

0

VP

MCC032

1.1

Low

     

0

VP

MCC033

5.3

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC034

28.8

High

0

0

Negative

UV ViroPanel TM

 

1

VN

MCC035

11.2

Intermediate

  

Negative

UV ViroPanel TM

 

1

VN

MCC036

3.2

Low

4

1

Positive

ViroPanel

PCR IHC

0

VP

MCC037

4.8

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC038

1.6

Low

     

0

VP

MCC039

22.4

High

   

UV TM

 

1

VN

MCC040

3.7

Low

  

Positive

ViroPanel

 

0

VP

MCC041

2.1

Low

  

Positive

ViroPanel

 

0

VP

MCC042

2.1

Low

  

Positive

ViroPanel

 

0

VP

MCC043

4.3

Low

  

Positive

ViroPanel

 

0

VP

MCC044

5.3

Low

2

1

Positive

ViroPanel

PCR IHC

0

VP

MCC045

2.1

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC046

20.8

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC047

2.1

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC048

26.6

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC049

34.1

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC050

4.8

Low

  

Positive

ViroPanel

 

0

VP

MCC051

3.2

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC052

2.1

Low

     

0

VP

MCC053

0.0

Low

3

0

  

PCR

0

VP

MCC054

3.7

Low

3

1

Positive

ViroPanel

PCR IHC

0

VP

MCC055

30.9

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC056

3.7

Low

  

Positive

ViroPanel

 

0

VP

MCC057

29.8

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC058

1.1

Low

     

0

VP

MCC059

19.2

Intermediate

  

Negative

UV ViroPanel TM

 

1

VN

MCC060

1.1

Low

     

0

VP

MCC061

2.1

Low

     

0

VP

MCC062

4.8

Low

4

0

Positive

ViroPanel

PCR

0

VP

MCC063

27.2

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC064

25.6

High

   

UV TM

 

1

VN

MCC065

13.3

Intermediate

   

UV TM

 

1

VN

MCC066

18.6

Intermediate

   

UV TM

 

1

VN

MCC067

0.5

Low

     

0

VP

MCC068

2.1

Low

     

0

VP

MCC069

4.3

Low

 

1

Positive

ViroPanel

IHC

0

VP

MCC070

29.8

High

  

Negative

UV ViroPanel TM

 

1

VN

MCC071

3.2

Low

     

0

VP

  1. IHC MCPyV staining, 0 = negative, 1 = positive; UV UV signature present, 0 = negative, 1 = positive