case_images: PMC3539458_01
case_images: CT of the neck with contrast: There is 7 mm polypoid mass involving the anterior commissure of the vocal cords. The nasopharynx, and pharynx, peripharyngeal spaces appear unremarkable, as well as the parotid and submandibular salivary glands. There is no significant neck adenopathy noted.
case_images: CRIM2012-370204.001.jpg
case_images: PMC3539458_01_CRIM2012-370204.001.jpg
case_images: fig1
case_images: There was no adenopathy noted however (Figure 1).
case_images: Histological findings: loose myxomatous fibrous connective tissue containing both spindle-shaped cells as well as ovoid cells with hyperchromatic, pleomorphic nuclei with eosinophilic cytoplasm. In some areas, cells assumed a whirling interlacing pattern and at one margin dysplastic-stratified squamous epithelium characterized by cells with pleomorphic hyperchromatic nuclei.
case_images: CRIM2012-370204.002.jpg
case_images: PMC3539458_01_CRIM2012-370204.002.jpg
case_images: fig2
case_images: Immunohistochemistry: cytokeratin AE1/AE3, strongly positive diffuse nuclear staining of neoplastic cells, Ck 5/6, strongly positive nuclear cytoplasmic staining of neoplastic cells, vimentin, strongly positive. Epithelial membrane antigens (EMA) was positive.
case_images: CRIM2012-370204.003.jpg
case_images: PMC3539458_01_CRIM2012-370204.003.jpg
case_images: fig3