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18 May 2023: Articles

SMARCB1-Deficient Sinonasal Carcinoma: Case Report and Review of the Literature

Mistake in diagnosis

Nasser M. AlMadan A* , Ebtehal A. AlEssa B , Doaa A. AlGhamdi A

DOI: 10.12659/AJCR.939244

Am J Case Rep 2023; 24:e939244

Figure 3. Tumor cell are positive for (A) CK 7, (B) CK AE1/AE3, and negative for (C) P63, (D) Synaptophysin, with loss of SMARCB 1 (INI 1) in tumor cells with the (E) background cells acting as positive internal control. (F) KI-67 shows a high proliferation index.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923