SMARCB1-deficient sinonasal carcinoma

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SMARCB1-deficient sinonasal carcinoma is a rare malignant tumour of the head and neck with loss of SMARCB1 staining.[1]

Microscopic

Features:[1]

  • Pagetoid spread.

DDx:

IHC

  • SMARCB1 (INI1) -ve.[1]

See also

References

  1. ↑ 1.0 1.1 1.2 Agaimy, A.; Hartmann, A.; Antonescu, CR.; Chiosea, SI.; El-Mofty, SK.; Geddert, H.; Iro, H.; Lewis, JS. et al. (Apr 2017). "SMARCB1 (INI-1)-deficient Sinonasal Carcinoma: A Series of 39 Cases Expanding the Morphologic and Clinicopathologic Spectrum of a Recently Described Entity.". Am J Surg Pathol 41 (4): 458-471. doi:10.1097/PAS.0000000000000797. PMID 28291122.
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