Tumours Of Kidney (Patho)

Question 1

Benign tumors of kidney?

Answer 1

Renal papillary adenoma
Renal fibroma(hemartoma)
Angiomyolipoma
Oncocytoma

Question 2

Malignant tumous of kidney?

Answer 2

Renal cell carcinoma (Grawitz tumor, hypernephroma)
Urothelial carcinoma of renal pelvis

Question 3

Risk factors of renal cell carcinoma?

Answer 3

Tobacco (most important)
Hypertension
Estrogen therapy
Obesity
Asbestos
Petroleum products
Heavy metals

Question 4

Risk factors of renal cell carcinoma?

Answer 4

Tobacco (most important)
Hypertension
Estrogen therapy
Obesity
Asbestos
Petroleum products
Heavy metals

Question 5

Classification of renal cell carcinoma

Answer 5

Clear cell carcinoma (70-80%)
Papillary carcinoma (10-15%)
Chromophobe and renal carcinoma(5%)
Collecting duct carcinoma(1%)

Question 6

What is the renal disease that occurs in patients with essential hypertension?

Answer 6

Benign nephrosclerosis

Question 7

Benign nephrosclerosis is caused by?

Answer 7

Hyaline arteriosclerosis

Question 8

Clinical features of benign nephrosclerosis?

Answer 8

Mild proteinuria
Hematuria(no RBC casts)
Increased risk of developing renal failure in
- blacks
-patient with severe hypertension
-patients with a secondary underlying disease e.g diabetes

Question 9

The disease that occurs in patients with malignant hypertension?

Answer 9

Accelerated nephrosclerosis

Question 10

Accelerated nephrosclerosis is caused by?

Answer 10

Hyperplastic arteriosclerosis

Question 11

Characteristics of accelerated nephrosclerosis

Answer 11

Onion skin lesions
Flea bitten kidneys( pin point hemorrhages on the cortical surface)

Question 12

Clinical findings of accelerated nephrosclerosis

Answer 12

Bp 210/120 mm Hg
Oliguric acute renal failure
Hypertensive encephalopathy i.e cerebral edema,papillodema, retinopathy, intracerebral hemorrhage
Proteinuria
Hematuria with RBC casts
Renal azotemia with BUN:Cr < 15