PMC7349616_01
Showing the peripancreatic mass.
CRIONM2020-8880202.001.jpg
PMC7349616_01_CRIONM2020-8880202.001.jpg
fig1
A contrast-enhanced Computed Tomography (CT) of the abdomen and pelvis (AP) showed infiltrative appearing heterogeneous enhancing mass within the mesenteric fat anterior to the pancreatic head measuring 4.9 x 5.5 cm and few additional foci of peritoneal implants (Figure 1).
H&E (a) shows loosely discohesive epithelioid cells with eosinophilic to clear cytoplasm, round to ovoid nuclei, and prominent nucleoli with a solid growth pattern. Keratin AE1/AE3 and synaptophysin IHC negative (b). S100 (c) and SOX10 (d) IHC diffusely positive. Red chromogen IHC showing positive red staining in the nuclei.
CRIONM2020-8880202.002.jpg
PMC7349616_01_CRIONM2020-8880202.002.jpg
fig2
The tumor cells were composed of loosely discohesive, bland, neoplastic epithelioid-appearing cells with round to oval, mildly irregular hyperchromatic nuclei, and moderate to high nuclear to cytoplasmic ratios (Figure 2).