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Table 2 Summary all ECT cases reported with the RREB1- MRTFB gene fusion

From: An extralingual Ectomesenchymal chondromyxoid tumor with RREB1::MRTFB fusion: a rare case report of plantar fascia involvement

Authors

Age

Sex

Location

Size

(cm)

Immunohistochemistry

Follow-up

Dickson et al. 2018 case1

31

F

Tongue, NOS

0.9

Positive for S-100; negative for GFAP, CK

NA

Dickson et al. 2018 case3

39

F

Tongue, Left dorsal

1.1

Positive for GFAP, S-100, SMA; negative for Myogenin

< 2ms

Dickson et al. 2018 case5

54

F

Tongue, dorsal

NA

NA

NA

Dickson et al. 2018 case6

23

M

Tongue, left anterior

3.0

Positive for GFAP, S-100; weakly positive for CK, SMA, Desmin

NER at 2ys

Dickson et al. 2018 case7

13

F

Tongue, right midline dorsal

2.0

Positive for GFAP; weakly positive for S-100

NA

Dickson et al. 2018 case8

45

F

Tongue, left dorsal

NA

Positive for GFAP, S-100; weakly positive for S-100

NA

Dickson et al. 2018 case9

54

M

Tongue, left anterior

1.2

Positive for S-100, SMA; negative for CK

NER at 1.4ys

Dickson et al. 2018 case10

35

M

Tongue, left anterior

0.7

Positive for S-100, SMA; weakly positive for GFAP; negative for CK, Desmin

Margins positive; Recurred at 41ms. NER after 4ys

Dickson et al. 2018 case11

14

F

Tongue, midline anterior

1.5

Positive for GFAP, S-100, Desmin; weakly positive for CK, SMA

Margins positive; NER after 8.5ys

Dickson et al. 2018 case12

49

F

Tongue, dorsal lateral

2.1

Positive for GFAP; weakly positive for S-100, CK, Desmin

NA

Dickson et al. 2018 case13

33

F

Tongue, NOS

NA

Positive for GFAP; weakly positive for S-100, CK, Desmin

NA

Dickson et al. 2018 case14

50

F

Tongue, dorsal tip

2.4

Positive for GFAP; weakly positive for S-100, Desmin; negative for CK

NA

Dickson et al. 2018 case15

53

F

Tongue, NOS

NA

Positive for GFAP

NA

Dickson et al. 2018 case16

59

M

Tongue, NOS

NA

Positive for GFAP; weakly positive for S-100

NA

Dickson et al. 2018 case17

31

F

Tongue, NOS

NA

Weakly positive for GFAP

NA

Dickson et al. 2018 case18

51

M

Tongue, midline dorsal, anterior

2.5

Positive for GFAP, S-100, SMA; weakly positive for CK, Desmin

NA

Dickson et al. 2018 case19

40

F

Tongue, right dorsal

1.0

Positive for GFAP; weakly positive for S-100, CK, Desmin

Margin focally positive, but no report of recurrence

Dickson et al. 2018 case20

51

M

Tongue, NOS

0.7

Positive for GFAP, Desmin, SMA; weakly positive for S-100, CK

Margin focally positive, but no report of recurrence

Dickson et al. 2018 case21

15

F

Tongue, right dorsal, posterior

0.7

Positive for GFAP; weakly positive for S-100, CK; negative for SMA, Desmin

NA

Bubola et al. 2021 case

37

F

Mandible

2.4

Positive for S-100, SMA, CD56; weakly positive for GFAP, Desmin; negative for CK, SOX10, calponin, myogenin

NA

Present case

20

F

The bottom of foot

4.4

Positive for GFAP, S-100, CD56; weakly positive for SMA; negative for CK, SOX10, CD34, P63

NER at 3ms

  1. RREB1, ras responsive element binding protein 1; MRTFB, myocardin related transcription factor B; ECT, ectomesenchymal chondromyxoid tumor; F, female; M, male; NOS, no otherwise specified; NA, not available; NER, no evidence of recurrence; ms, months; ys, years