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Flashcards in 3. Horseshoe kidney Deck (12):
1

MC congenital renal abnormality

Horse kidney

2

horseshoe kidney - definition

interior poles of kidneys fuse abnormally

3

function

normally

4

location

As they ascend from pelvis during fetal development , horseshoe kidneys get trapped under inferior mesenteric artery and remain low in the abdomen

5

Horse shoe kidney is associated with

1.hydronephrosis (eg, ureteropelvic junction obstruction),
2. renal stones,
3.infection,
4.chromosomal aneuploidy syndromes (eg,
Turner syndrome; trisomies 13, 18, 21), and
5.rarely renal cancer.

6

Unilateral renal agenesis - mechanism and definition

ureteric bud fails to develop and induce differentation of metanphric mesnhume --> complete absence of kidney and ureter

7

Unilateral renal agenesis - definition

complete absence of kidney and ureter

8

Unilateral renal agenesis - diagnosis

often perinatally via ultrasound

9

• A 40-year-old man is incidentally found to have fused kidneys on an abdominal CT scan. Name this anatomic abnormality.

Horseshoe kidney

10

• The horseshoe kidney gets trapped beneath the ____ artery.

Inferior mesenteric (and it remains low in the abdomen)

11

• A girl with a webbed neck, short stature, and a low hairline presents with amenorrhea. What renal anomaly might be found on ultrasound?

Horseshoe kidney (this is Turner syndrome)

12

• Name the group of congenital syndromes with which horseshoe kidney is most strongly associated.

Chromosomal aneuploidy syndromes (e.g., Down, Edwards, Patau, Turner)

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