면역화학 검사에서 S100 단백질 검사는 약하게 양성이었으며, H3K27m3 얼룩은 음성이었으며, 이러한 결과를 바탕으로 MPNST를 확실하게 진단하였다.
On immunochemistry testing, an S100 protein test was weakly positive, and H3K27me3 staining was negative and based on these results, we made a definite diagnosis of MPNST.