Kidney Malformations

Question 1

Unilateral renal agenesis

Answer 1

Absence of one kidney that is compatible with life

Question 2

Bilateral Renal Agenesis

Answer 2

Absence of both kidneys. Not compatible with postnatal life

Question 3

Type 1 Cystic Kidney

Answer 3

Found in infants. Early death unless dialysis or transplant. Kidneys are symmetrically enlarged

Question 4

Type 2 Cystic Kidney

Answer 4

Variable size and shape. Often unilateral. The cysts grow larger with age

Question 5

Type 3 Cystic Kidney

Answer 5

A mixture of both normal and abnormal tissue. Bilateral. Cysts are small at birth with enlarged kidneys. often associated with trisomy of 13, 14,15,18,21, and 22

Question 6

Type 4 cystic kidney

Answer 6

Cysts int eh collecting tubules. Often have urethral obstruction.

Question 7

Type 5 Cystic Kideny

Answer 7

Will often manifest in adults. If present at birth, will onset in the 40s. will present as back pain and chronic kidney infections

Question 8

The condition where the kidneys are connected at the inferior pole

Answer 8

horseshoe kidney

Question 9

The conditions that are often associated with horseshoe kidney

Answer 9

Trisomy 18,13-15, 21 and turner’s syndrome