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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?

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?

56% (A) Signup and view all the answers

How are renal carcinomas characterized?

High cellularity with poorly cohesive clusters (C) Signup and view all the answers

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

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

What type of cells are typically found in nephroblastomas?

Blastemal, epithelial, and mesenchymal elements (B) Signup and view all the answers

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

Histopathology, electron microscopy, and immunochemistry (C) Signup and view all the answers

What is a key characteristic of nephroblastoma cells?

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

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

Both may appear granular (D) Signup and view all the answers

How can renal epithelial hyperplasia be differentiated from renal carcinoma?

Histopathology (B) Signup and view all the answers

What is a distinguishing factor between nephroblastoma and lymphoma?

Formation of immature glomerular structures (C) Signup and view all the answers