case_images: PMC7396063_01
case_images: CT scan of the sinus showing an expansile mass in the left nasopharyngeal region leading to rightward nasal septum deviation and destruction of the etmoid cells.
case_images: CRIHEM2020-8845546.001.jpg
case_images: PMC7396063_01_CRIHEM2020-8845546.001.jpg
case_images: fig1
case_images: A computed tomography (CT) scan of the sinuses revealed a 3.1 x 4.4 x 3.2 cm mass arising from the left nasopharynx, causing rightward deviation of the nasal septum (Figure 1).
case_images: Nasopharyngeal mass biopsy reveals diffuse infiltrate of large atypical cells with variably eccentric neuclei, ampophilic cytoplasm, prominent nucleoli, and occasional uninucleated forms (a), that are CD138 positive (b), kappa restricted (c), MUM-1 positive (d), EBER negative (e), and a Ki-67 overall of 60% (f).
case_images: CRIHEM2020-8845546.002.jpg
case_images: PMC7396063_01_CRIHEM2020-8845546.002.jpg
case_images: fig2
case_images: Ki-67 was positive, variable 30-80% and overall 60% (Figure 2).