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Table 2 Variants identified in Classic and Rhabdomyosarcomatous (Rhabdo) GIST components

From: Case report of rhabdomyosarcomatous transformation of a primary gastrointestinal stromal tumor (GIST)

Gene

Nucleotide Change

Amino Acid Change

Consequence

VAF Classic GIST

VAF Rhabdo GIST

KIT

NM_000222.2:c.1670_1675delGGAAGG (6 nt)

Trp557_Val559delinsPhe

Inframe deletion

91.1

50.7

TP53

NM_000546.5:c.215C > G

Pro72Arg

missense

43

54.7

PDGFRA

NM_006206.4:c.2472C > T

none

synonymous

4.6 (ND)

25.4

KIT

NM_000222.2:c.2586G > C

none

synonymous

4.2 (ND)

26.0

PDGFRA

NM_006206.4:c.1701A > G

none

synonymous

99.8

99.8

APC

NM_000038.5:c.4479G > A

none

synonymous

51.2

49.9

EGFR

NM_005228.3:c.2361G > A

none

synonymous

93.8

70.8

MET

NM_001127500.1:c.1131C > T

none

synonymous

99.6

99.5

  1. Gene, nucleotide change, amino acid change, consequence and variant allele frequencies (VAF) are shown. ND Not detected. The limit of detection for this assay is 5%, so VAFs below this threshold are not presented