potter sequence + horseshoe kidney

Question 1

no ureteric bud from caudal mesonephros

Answer 1

causes Potter sequence
bilateral renal agenesis (no kidneys!):
no collecting system (no ureteric bud from caudal mesonephros)
no nephrons (no metanephros induction)

Question 2

signs of bilateral renal agenesis

Answer 2

oligohydramnios (no amniotic fluid) →
pulmonary hypoplasia
limb deformities
facial deformities (flat)
wrinkled skin

Question 3

features of Potter sequence

Answer 3

POTTER
Pulmonary hypoplasia
Oligohydramnios 
Twisted face (wrinkled)
Twisted skin (flat)
Extremity defects (club foot)
Renal agenesis (1° cause)

Question 4

inferior pole of kidneys fuse

ascension of kidney from pelvix during development → trapped under IMA→ remain low in abdomen

Answer 4

horseshoe kidney

Question 5

horseshoe kidney is associated with

Answer 5

turner sydnrome