Renal Pathology 4

Question 1

What is the pathogenesis of Acute Pyelonephritis?

Answer 1

Infection starts in the urethr

Question 2

Describe the morphology of Acute Pyelonephritis.

Answer 2

Multiple lesions on cortex with small yellow abscesses. Edema in interstitum.

Question 3

What is the pathogenesis of Chronic Pyelonephritis?

Answer 3

Obstruction of the urinary tract.

Question 4

Describe the morphology of Chronic Pyelonephritis.

Answer 4

Uneven scars on contracted kidney. WBCs in interstitum.

Question 5

Describe the morphology of Cortical Adenoma

Answer 5

Papillary or tubular configuration

Question 6

Describe the morphology of Oncoytoma.

Answer 6

Appears tan with central stellate scar region. Eosinophilc cytoplasm.

Question 7

Describe the morphology of a Clear cell carcinoma

Answer 7

Solitary, large and demarcated at the poles; Associate with von Hippel-Lindau syndrome

Question 8

Describe the morphology of papillary carcinoma

Answer 8

Multifocal; Cuboidal and columanr cells with eosinophilic cytoplasm. Associate with Polycystic disease.