PMC10219835_01
abdominal-pelvic CT scan showing an oval, well-limited right ovarian mass, with a prevailing cystic component and a solid component enhanced after injection of contrast agent
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F1
Diagnostic assessment: the abdominal-pelvic CT scan revealed a right ovarian mass, displaying a prevailing cystic component and a solid component enhanced after injection of contrast agent (Figure 1).
low power view showing a tumoral proliferation arranged in a well limited nodule within the ovarian cyst s wall (hematoxylin and eosin stain, magnification x4)
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F2
Histological examination showed a tumoral proliferation arranged in well-limited nodules (Figure 2), made of sheets of tumoral cells showing a plasmocytic morphology, with abundant eosinophilic cytoplasm and rounded eccentric nucleus with coarsely clumped chromatin (Figure 3).
high power view showing diffuse sheets of tumoral cell displaying a plasmacytoid morphology, with rounded eccentric nucleus, coarse clumped chromatin, and abundant eosinophilic cytoplasm (hematoxylin and eosin stain, magnification x40)
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F3
Histological examination showed a tumoral proliferation arranged in well-limited nodules (Figure 2), made of sheets of tumoral cells showing a plasmocytic morphology, with abundant eosinophilic cytoplasm and rounded eccentric nucleus with coarsely clumped chromatin (Figure 3).
low power view demonstrating diffuse expression of CD138 by the tumoral cells (magnification x4)
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F4
The tumoral cells showed diffuse membranous expression of CD138 (Figure 4, Figure 5), as well as an expression of epithelial membrane antigen (EMA) in a more heterogeneous manner (Figure 6).
high power view showing strong and diffuse membranous expression of CD138 by tumoral cells (magnification x40)
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F5
The tumoral cells showed diffuse membranous expression of CD138 (Figure 4, Figure 5), as well as an expression of epithelial membrane antigen (EMA) in a more heterogeneous manner (Figure 6).
high power view showing patchy membranous and cytoplasmic staining by EMA of the tumoral cells (magnification x40)
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F6
The tumoral cells showed diffuse membranous expression of CD138 (Figure 4, Figure 5), as well as an expression of epithelial membrane antigen (EMA) in a more heterogeneous manner (Figure 6).
Ki67 estimated at 80%
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F7
Ki67 was estimated at 80% (Figure 7).