Chapter 29: The Fetal Genitourinary System
Ambiguous genitalia
A birth defect in which the sex of the fetus cannot be determined defines:
Unilateral renal agenesis
All of the following would be associated with oligohydramnios except:
Ureter and renal collecting system
An obstruction at the ureterovesicular junction would lead to dilation of the:
Hydronephrosis
Another name for pelvocaliectasis is:
Encephalocele
Cloacal exstrophy is associated with all of the following except:
Renal agenesis
Failure of the kidneys to form is called:
Hydrocele
Fluid surrounding the fetal testicle is referred to as:
Horseshoe kidneys
Fusion of the lower poles of the kidneys describes:
Polydactly
Having more than the normal number of digits is:
An enlarged bladder
Prune belly syndrome is caused by:
Dilation of the renal pelvis
Pyelectasis refers to:
Imperforate anus
The "I" in OEIS complex stands for:
Posterior urethral valves
Which of the following would cause a bladder outlet onstruction?
Pelvis
Before 9 weeks, the fetal kidneys are located within the:
External position of the bladder
Bladder exstrophy describes:
Undescended testicles
Cryptorchidism describes:
normal amniotic fluid level
During an 18 week sonogram, multiple cysts of varying sizes are noted within the renal fossa of a male fetus. The other kidney appears to be normal. Which of the following would be an associated finding?
MCDK disease
Numerous noncommunicating anechoic masses are noted within the left renal fossa of a fetus at 20 weeks gestation. What is the most likely etiology of these masses?
Cloacal exstrophy
OEIS complex is also referred to as:
Renal pelvis and calices
Obstruction at the level of the UPJ would lead to dilation of the:
Autosomal dominant polycystic renal disease
The "keyhole" sign would be seen in all of the following situations except:
Renal agenesis
The "lying down" adrenal sign describes the sonographic findings of:
pyelectasis
The "lying down" adrenal sign would be seen in all of the following situations except:
Enlarged bladder and dilated urethra
The keyhole sign describes the sonographic findings of an:
Pelvis
The most common location of an ectopic kidney is within the:
Neuroblastoma
The most common malignant adrenal pediatric tumor is the:
Autosomal dominant polycystic disease
The renal cystic disease that results in the development of cysts in later adulthood is:
Meckel-Gruber syndrome
The syndrome associated with an occipital cephalocele, cystic renal disease and polydactyly is_____________.
ADPKD
The type of renal cystic disease associated with adult liver and pancreatic cysts is:
UPJ obstruction
What is the most common cause of Hydronephrosis in a neonate and the most common form of fetal renal obstruction?
hydronephrosis
What is the most common fetal abnormality noted during an obstetric sonogram?
Mesoblastic nephroma
What is the most common fetal renal tumor?
megacystis
What is the term for enlargement of the urinary bladder?
7 mm
What measurement should the renal pelvis not exceed prior to 20 weeks gestation?
An abnormal ventral curvature of the penis
Which of the following best describes hypospadias?
ARPKD
Which of the following is associated with enlarged echogenic kidneys and microscopic renal cysts?
Abdominal muscle hypertrophy
Which of the following is not a component of prune belly syndrome?
Duplex collecting system
Which of the following is the most common renal anomaly?
ARPKD
Which of the following would be the most likely cause of bilateral, enlarged echogenic fetal kidneys and oligohydramnios?
unilateral renal agenesis
Which of the following would result in compensatory hypertrophy?
