Pathology: malignant tenosynovial giant cell tumour

Malignant tenosynovial giant cell tumour

  • Spindle-epithelioid cells in sheets-fascicles

  • Amphophilic cytoplasm

  • Ovoid hyperchromatic nuclei with occasional multinucleation and moderate pleomorphism; conspicuous mitotic activity

  • Interspersed osteoclast-type giant cells

  • PMID: 30206409