Ying-Yu Mao

Primary NTRK-rearranged spindle cell sarcoma of the colon with ETV6-NTRK3 fusion.

NTRK (neurotrophic receptor tyrosine kinase)-rearranged spindle cell tumours are rare sarcomas predominantly occurring in the extremities and trunk, with only rare gastrointestinal tract cases reported to date. A man in his late 30s presented with abdominal pain. Given the CT evidence of a large transmural tumour requi...