Key result
Fine-needle aspirates of BCOR-CCNB3 sarcoma feature oval cells, dispersed chromatin, inconspicuous nucleoli, and pseudopapillary structures.
Why the study?
BCOR-CCNB3 sarcoma is an undifferentiated small round cell sarcoma with distinct molecular genetic alterations requiring specific diagnostic clues in fine-needle aspiration specimens.
The study identifies specific cytomorphological features in fine-needle aspiration specimens that can aid in the diagnosis of BCOR-CCNB3 sarcoma.
May aid cytologic recognition of rare BCOR-CCNB3 sarcoma; leaves open validation in larger series before clinical adoption.
BCOR-CCNB3 sarcoma is an undifferentiated small round cell sarcoma characterised by distinct molecular genetic alterations. The diagnostic clues include tumour cells with oval to short spindle-shaped morphology, finely dispersed chromatin, inconspicuous nucleoli, and an arrangement around blood vessels that forms pseudopapillary structures.
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Zhou et al. (2025) studied this question. BCOR-CCNB3 sarcoma in fine-needle aspiration is characterized by oval to short spindle-shaped cells, finely dispersed chromatin, inconspicuous nucleoli, and pseudopapillary structures.
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