8- Focal and systemic infectious causes of urinary tract pathology

Question 1

Name the 3 main types of tubulointerstitial nephritis

Answer 1

Non-suppurative (haematogenous/asendant)
Embolic suppurative (haematogenous)
Pyelonephritis (mostly ascendant)

Question 2

Embolic suppurative nephritis affects what part of the kidney?

Answer 2

Glomerulus

Question 3

What is the cause of embolic suppurative nephritis?

Answer 3

Resultant of bacteraemia - lodges in glomerular capillaries

Question 4

Pyelonephritis is inflammation of what…

Answer 4

Inflammation of the renal pelvis and the kidney

Question 5

Name a risk factor for pyelonephritis

Answer 5

Diabetes
Urien stasis/obstruction
Females in general

Question 6

What is the most common renal neoplasia?

Answer 6

Renal carcinomas

Question 7

Describe how renal failure causes anaemia

Answer 7

Lack of erythropoietin (stimulates production of RBC)
Increased RBC fragility

Question 8

Describe how renal failure causes ulcerative gastritis

Answer 8

Increased urea in the bloodstream can cause vascular damage

Bacterial production of ammonia from urea in saliva