Case Report: ALK-rearranged mesenchymal neoplasms with S100 and CD34 co-expression: additional cases with distinct characteristics
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ALK rearrangements are rarely documented in superficial soft tissue neoplasms exhibiting an infantile fibrosarcoma-like spindle cell tumor (IFS) pattern or stromal, resembling Neurotrophic Tyrosine Kinase Receptor(NTRK)rearranged spindle cell tumors. Here, we ... ...
