PMC6430846_01
RCC showing cystic, papillary, solid areas along with normal renal tubules, (H&E 5x)
PAMJ-31-26-g001.jpg
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f0001
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Interface between solid and papillary areas, (H&E 10x)
PAMJ-31-26-g002.jpg
PMC6430846_01_PAMJ-31-26-g002.jpg
f0002
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Papillary areas showing pleomorphic cells with eosinophilic cytoplasm and vesicular nuclei, (H&E 40x)
PAMJ-31-26-g003.jpg
PMC6430846_01_PAMJ-31-26-g003.jpg
f0003
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Solid areas showing sheets of monotonous small cells with hyperchromatic nuclei and scanty cytoplasm, (H&E 40x)
PAMJ-31-26-g004.jpg
PMC6430846_01_PAMJ-31-26-g004.jpg
f0004
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Extensive calcification, (H&E 40x)
PAMJ-31-26-g005.jpg
PMC6430846_01_PAMJ-31-26-g005.jpg
f0005
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Osseous differentiation, (H&E 40x)
PAMJ-31-26-g006.jpg
PMC6430846_01_PAMJ-31-26-g006.jpg
f0006
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.
Chondroid differentiation, (H&E 40x)
PAMJ-31-26-g007.jpg
PMC6430846_01_PAMJ-31-26-g007.jpg
f0007
Microscopic examination: Examined sections revealed a malignant tumor (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7) comprising cysts, papillae and large foci of undifferentiated solid tumor showing extensive calcification, focal bone formation and cartilaginous differentiation.