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The histomorphology of case 3-SMARCB1/INI1 deficient sinonasal carcinoma showing a, b nests and lobules of tumor cells (Hematoxylin and Eosin, 400 ×, c pseudoglandular pattern containing empty vacuoles, (Hematoxylin and Eosin, 400 ×) d pseudoalveolar pattern (Hematoxylin and Eosin, 400 ×), e lobules of tumor cells with rhabdoid morphology of cells (Hematoxylin and Eosin, 200 ×), f Complete loss of INI1 protein with positive internal control (immunostain, 200 ×)
