Renal Adenoma and Carcinoma in Dogs

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Questions and Answers

What is the percentage of primary renal neoplasms in dogs comprised by renal adenoma?

  • 5%
  • 20%
  • 10% (correct)
  • 15%

How are renal adenomas typically described?

  • Large and necrotic
  • Irregular and encapsulated
  • Small and hemorrhagic
  • Round, well-circumscribed, and unencapsulated (correct)

What symptom is common in dogs with renal carcinoma?

  • Decreased thirst
  • Frequent urination
  • Progressive weight loss and hematuria (correct)
  • Increased appetite

What is the metastatic rate of renal carcinomas to other sites?

<p>56% (A)</p> Signup and view all the answers

How are renal carcinomas characterized?

<p>High cellularity with poorly cohesive clusters (C)</p> Signup and view all the answers

Why can renal carcinomas be mistaken for nephroblastomas, round cell tumors, or neuroendocrine tumors?

<p>Due to variable nucleocytoplasmic ratios and cell morphology (C)</p> Signup and view all the answers

What type of cells are typically found in nephroblastomas?

<p>Blastemal, epithelial, and mesenchymal elements (B)</p> Signup and view all the answers

Which diagnostic tools are required for confirming a diagnosis of renal oncocytoma?

<p>Histopathology, electron microscopy, and immunochemistry (C)</p> Signup and view all the answers

What is a key characteristic of nephroblastoma cells?

<p>High nucleus to cytoplasm ratio and mild anisokaryosis (C)</p> Signup and view all the answers

What is a common feature between renal oncocytoma and renal carcinoma?

<p>Both may appear granular (D)</p> Signup and view all the answers

How can renal epithelial hyperplasia be differentiated from renal carcinoma?

<p>Histopathology (B)</p> Signup and view all the answers

What is a distinguishing factor between nephroblastoma and lymphoma?

<p>Formation of immature glomerular structures (C)</p> Signup and view all the answers

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