PMC7396063_01
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.
CRIHEM2020-8845546.001.jpg
PMC7396063_01_CRIHEM2020-8845546.001.jpg
fig1
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).
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).
CRIHEM2020-8845546.002.jpg
PMC7396063_01_CRIHEM2020-8845546.002.jpg
fig2
Ki-67 was positive, variable 30-80% and overall 60% (Figure 2).