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Table 1 Immunohistochemical staining results of the tumor cells

From: Sinonasal mucosal melanoma with smooth muscle differentiation: a potential pathological diagnostic pitfall

Antibody

Manufacture

Dilution

Epithelioid/rhabdoid cells

Clone

Spindle cells

S100

MXB

Predilute

+

4C4.9

Scattered individually+

SOX10

MXB

Predilute

+

EP268

Scattered individually+

HMB-45

MXB

Predilute

+

HMB-45

–

Melan-A

MXB

Predilute

+

A103

–

PNL2

MXB

Predilute

+

PNL2

–

a-SMA

MXB

Predilute

–

MX097

+

Desmin

MXB

Predilute

Focal +

MX046

Partially diffuse+

H-caldesmon

MXB

Predilute

Focal +

H-CALD

+

Calponin

MXB

Predilute

–

MX023

Focal +

MyoD1

MXB

Predilute

–

MX049

–

Myogenin

MXB

Predilute

–

MX078

–

Pan-CK

MXB

Predilute

–

AE1/AE3

–

CK7

MXB

Predilute

–

MX053

–

EMA

MXB

Predilute

–

E29

–

INI-1

MXB

Predilute

+

MRQ-27

+

H3K27me3

ZSGB-BIO

Predilute

+

RM175

+

  1. Abbreviations: MXB Fuzhou Maixin Biotechnology, Fujian, China, ZSGB-BIO Zhongshanjinqiao, Beijing, China