renal cysts

Question 1

renal cyst is most common lesion of kidney

true or false

Answer 1

true

Question 2

What classification is used to categorize renal cysts?

Answer 2

Bosniak classification

Question 3

MCDK non-inherited kidney disease

true or false

Answer 3

true

usually unilateral and left sided

Question 4

ADPKD adult polycystic kidney disease is autosomal

develops at what ages

Answer 4

20 to 30’s

Question 5

It is the most common inherited cause of end stage renal failure
true or false

Answer 5

true

Question 6

more than 50% develop end stage renal disease by what age

Answer 6

60 yrs

Question 7

What is the Potter classification

Answer 7

type 1 infantile polycystic kidney disease
type 2 MCDK
type 3 adult polycystic kidney disease (APCKD)
type 4 obstructive renal dysplasia

Question 8

obstructive cystic renal dysplasia occurs from?

Answer 8

obstruction of bladder, urether, or urethra

Question 9

acquired renal cysts are most commonly

Answer 9

idiopathic

Question 10

renal cysts can be seen from or associated with what diseases

Answer 10

infection
Von-Hippel-Lindau
tuberous sclerosis

Question 11

common presentation of ADPKD

Answer 11

flank pain, renal failure, HTN, or palpable mass

Question 12

infantile polycystic kidney disease due to poor renal disease causes what prenatally

Answer 12

oligohydramnios

Question 13

how many cysts classify APCKD

Answer 13

2 cysts bilaterally by age 30

Question 14

what characterizes a simple renal cyst on u/s

Answer 14

well-marginated anechoic lesion wiht possible posterior acoustic enhancement

Question 15

what characterizes a complex cyst on u/s

Answer 15

thick septations hypoechoic appearance or signs of internal debris

Question 16

Bosniak I

Answer 16

simple cyst round with imperceptible walls–no f/u is needed-zero chance of malignancy

Question 17

Bosniak II

Answer 17

minimal complexity with few thin septation less than 1mm in diameter, thin calcification or high attenuated lesion less than 3cm without enhancement
require no f/u zero chance of malignancy

Question 18

Bosniak II F

Answer 18

minimal complexity, increased number of thin septations, or high attenuated lesion larger than 3cm–require f/u with CT scan or RUS in 6months
5% chance of malignancy

Question 19

Bosniak III

Answer 19

inderterminant in appearance with thick sepation possible nodular–recommend biopsy—55% chance of malignancy

Question 20

Bosniak IV

Answer 20

solid mass with cystic vs necrotic components

100% malignant

Question 21

What is most common associated disease with infantile polycystic kidney disease

Answer 21

Caroli disease of liver and hepatic fibrosis

Question 22

Associated findings with APCKD

Answer 22

berry aneurysm, HTN, liver cysts and cysts in other organs

Question 23

what diseases are associated with obstructive cystic renal dysplasia

Answer 23

VACTERAL and CHD