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Difference between revisions of "Kidney tumours"
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===Microscopic=== | ===Microscopic=== | ||
Features - classically three components: | Features - classically three components (blastema, immature stroma, tubules):<ref name=Ref_PCPBoD8_254-5>{{Ref PCPBoD8|254-5}}</ref> | ||
#Malignant [[Small round blue cell tumours|small round blue cells]]: | #Malignant [[Small round blue cell tumours|small round blue cells]] ("blastema"): | ||
#*Size = ~ 2x RBC diameter. | #*Size = ~ 2x RBC diameter. | ||
#*Nuclear pleomorphism (variation of size, shape and staining). | #*Nuclear pleomorphism (variation of size, shape and staining). | ||
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#*Scant/difficult to discern cytoplasm - basophilic (light blue). | #*Scant/difficult to discern cytoplasm - basophilic (light blue). | ||
#*Mitoses - common. | #*Mitoses - common. | ||
#Stroma: | #Stroma ("immature stroma"): | ||
#*Spindle cells: | #*Spindle cells: | ||
#**Elliptical nuclear membrane. | #**Elliptical nuclear membrane. | ||
#**Abundant loose cytoplasm. | #**Abundant loose cytoplasm. | ||
#Tubular structures: | #Tubular structures ("tubules"): | ||
#*Usually clustered. | #*Usually clustered. | ||
#*Vaguely resemble a glomerulus. | #*Vaguely resemble a glomerulus. | ||