18 May 2023>: Articles
SMARCB1-Deficient Sinonasal Carcinoma: Case Report and Review of the Literature
Mistake in diagnosisNasser M. AlMadan A* , Ebtehal A. AlEssa B , Doaa A. AlGhamdi A
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.