Skip to main content

Table 1 Summary of immunohistochemistry

From: A case of pancreatic PEComa with prominent inflammatory cell infiltration: the inflammatory subtype is a distinct histologic group of PEComa

Antibody

Result

 

Antibody

Result

Vimentin

Positive

 

CD23

Negative

αSMA

Positive (focal and weak)

 

CD30

Negative

Melan A

Positive

 

CD35

Negative

HMB-45

Positive

 

CD45RO

Negative

TFE3

Positive

 

CD68

Negative

Cathepsin K

Positive

 

IgG

Negative

Cytokeratin (AE1/AE3)

Negative

 

IgG4

Negative

Desmin

Negative

 

MLH1

Retained

S-100

Negative

 

PMS2

Retained

Podoplanin (D2-40)

Negative

 

MSH2

Retained

ALK

Negative

 

MSH6

Retained

CD1a

Negative

 

EBER-ISH

Negative

CD21

Negative

   
  1. IgG4 + plasma cells: 22–28/HPF, IgG4/IgG ratio 17.5–28.8%