1: Pathology 1 Flashcards

(42 cards)

1
Q

What is a common parasitic infection of the bladder?

A

Schistosomiasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

People with chronic pyelonephritis produce a large volume of hypotonic urine - why?

A

Renal failure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Urethral obstruction is more common in (males/females).

A

males

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why can infection cause glomerulonephritis?

A

Triggers autoimmune response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Why are females more likely to develop UTIs than males?

A

SHORTER, WIDER urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What kind of necrosis is seen in the kidney in TB pyelonephritis?

What type of inflammation is seen?

How can you diagnose it on biopsy?

A

Caseous necrosis

Chronic granulomatous inflammation

ZN stain for acid-fast bacilli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are common causes of hydronephrosis?

A

Same as obstruction

plus vesico-ureteric reflux

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the symptoms of TB pyelonephritis?

A

Weight loss

Fever

Loin pain

Dysuria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What organisms can cause cystitis?

A

E. coli

Klebsiella

Proteus

Pseudomonas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a congenital disease which can cause urethral obstruction?

A

Posterior urethral valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is a classic renal sign of TB pyelonephritis?

A

Sterile pyuria

Pus in urine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the two broad categories of nephritis?

A

Glomerulonephritis

Pyelonephritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is seen on biopsy of someone with acute pyelonephritis?

A

Neutrophils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which muscle can hypertrophy to cause urinary tract obstruction?

A

Detrusor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How does tuberculosis spread?

A

Haematogenously

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What do glomeruli look like chronic pyelonephritis?

A

Diffuse sclerosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How can pyelonephritis be acquired?

A

UTI

Sepsis

Post-surgery

18
Q

Schistosomiasis infection of the bladder predisposes you to which disease?

A

Squamous cell carcinoma

19
Q

Does acute urinary tract obstruction cause hydronephrosis?

A

No, not enough time for dilatation (which is the definition of it)

20
Q

What are some common causes of urinary tract obstruction?

A

Calculi

Compression - malignancy, prostate

Strictures

21
Q

What is the appearance of the

a) renal cortex
b) glomeruli

in chronic pyelonephritis?

A

a) Scarred

b) Sclerosis

22
Q

What is cystitis?

A

Bacterial inflammation of the bladder

23
Q

Apart from urinary tract obstruction, what other disease can cause hydronephrosis?

A

Vesico-ureteric reflux

24
Q

What is the commonest cause of pyelonephritis?

A

E. coli infection

25
What is **pyelonephro**_sis_**** usually secondary to?
**Pyelonephritis** **Hydronephrosis** (\> secondary infection of a kidney filled with static fluid)
26
What is seen on biopsy of someone with **chronic pyelonephritis**?
**Cortical scarring**
27
What structural changes occur in a bladder which is distally obstructed?
**Detrusor hypertrophy** **Thickening of bladder wall** **Diverticulae**
28
What is **cystitis cystica**?
Protrusion of cysts into lumen of bladder, seen in cystitis
29
What is infection of the testicle called?
**Orchitis**
30
What disease does untreated urinary tract obstruction cause?
**Hydronephrosis**
31
What are risk factors for UTI?
**Pregnancy** - ureter dilates **Surgery** **Urinary tract obstruction** - calculi, compression **Reflux** **Diabetes**
32
What specific change occurs in **hydronephrosis**?
**Dilatation of calyces**
33
Where can renal calculi settle and grow?
**Diverticulae**
34
What is **pus** in the kidneys called?
**Pyelonephro**_sis_****
35
UTIs are more common in **(males / females).**
**females**
36
What are some consequences of **chronic pyelonephritis**?
**Renal failure** e.g hypertension, oedema, uraemia, all them symptoms
37
What organisms are known to cause pyelonephritis?
***E. coli*** **Pseudomonas** **Enterococcus faecalis**
38
In which group of patients is **vesico-ureteric reflux** common?
**Young girls**
39
Most types of glomerulonephritis are **(focal / diffuse)**.
**diffuse** Affecting \> 50% of glomeruli
40
What tends to cause **glomerulonephritis**?
**Autoimmunity**
41
Which granulomatous disease can affect the kidneys? What is this called?
**TB** **Tuberculous pyelonephritis**
42
What is **pyelonephritis**?
**Bacterial infection of renal tubules and interstitium, causing inflammation**