Case 02-A1-H&E

Imagens


39-year-old woman with a maxillary mucosal lesion.

Imaging studies not available.

Immunohistochemical and histochemical staining results:

  • Positive: Mucicarmine (focal)
  • Negative: TTF1, SOX10, PAX8, NUT, ER, chromogranin, CD99, p16 (patchy nonspecific immunoreactivity), BRAFV600E, Beta-catenin (membranous only)
  • Retained nuclear expression: BRG1, INI1

Molecular testing requested (Mayo Complete Targeted RNA Sequencing Panel, Next-Generation Sequencing).