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'''Organ''': Kidney | '''Organ''': Kidney | ||
'''Description''': | '''Description''': A tumor with an apparent well-demarcated border can be seen. The tumor has oval structures as the tumor cells grow on papillary structures. The tumor cells shows only mild atypia (pleiomorphism). Mitotic figures are present. | ||
A tumor with an apparent well-demarcated border can be seen. The tumor has oval structures as the tumor cells grow on papillary structures. The tumor cells shows only mild atypia (pleiomorphism). Mitotic figures are present. | |||
Upon closer examination of the border between the tumor and the healthy kidney parenchyme can we find some invasive foci inside the parenchyme. | Upon closer examination of the border between the tumor and the healthy kidney parenchyme can we find some invasive foci inside the parenchyme. | ||
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'''Diagnosis''': Urothelial carcinoma of the renal pelvis | '''Diagnosis''': Urothelial carcinoma of the renal pelvis | ||
'''Risk factors:''' | '''Risk factors:''' Smoking | ||
See the macropreparation. | '''Theory''': See the macropreparation.[[File:Urothelial carcinoma of renal pelvis - papillary structures.png|thumb|Papillary structures in the tumour|left]] | ||
[[File:Urothelial carcinoma of renal pelvis - papillary structures.png|thumb|Papillary structures in the tumour|left]] | |||
[[File:Urothelial carcinoma of renal pelvis - mitotic activity.png|thumb|Mitotic activity in the tumour]] | [[File:Urothelial carcinoma of renal pelvis - mitotic activity.png|thumb|Mitotic activity in the tumour]] | ||
[[File:Urothelial carcinoma of renal pelvis - border.png|thumb|The well-demarcated border isn’t so demarcated after all as the tumor invades past it|left]] | [[File:Urothelial carcinoma of renal pelvis - border.png|thumb|The well-demarcated border isn’t so demarcated after all as the tumor invades past it|left]] | ||
[[Category:Pathology 2 - Histopathology slides]] | [[Category:Pathology 2 - Histopathology slides]] |