https://www.selleckchem.com/pd-1-pd-l1.html
Malignant peripheral nerve sheath tumor (MPNST) is also termed as spindle cell malignancy of the peripheral nerve Schwann cell. It is a rare and highly aggressive, soft-tissue sarcoma of ectomesenchymal origin that accounts for 10% of all sarcomas and only 10%-12% of all lesions occur in the head-and-neck region, thus making it a rare entity. It arises de novo or from the preexisting benign neurofibroma. The diagnosis of MPNST is one of the most elusive among the soft-tissue tumors because of its greater variability in overall presentation bo
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