Short Quiz on Renal agenesis
Instruction
2. There is 1 Mark for each correct Answer
Defect in any of the following may result in renal agenesis except :
D i.e. Failure of descent of nephrogenic tissue to lumber
Renal agenesis is associated with :
Ans. is D. i.e. Oligohydramnios
Fetal urine is the main contributor of Amniotic fluid beyond 20 weeks, therefore. In the case of Renal agenesis –) decrease / no urine oligohydramnios.
Extra Edge :
- The assessment of amniotic fluid is an integral part of antepartum fetal assessment.
- Techniques used for measurement of Amniotic fluid – ultrasonographically :
Amniotic fluid index (AFI): is calculated by dividing the uterus into four quadrants and measuring the largest vertical pocket of liquor in each of the four quadrants. The sum of the four measurements is the AFI in cm. The range of 5 – 25 cm is considered normal. Less than 5 is considered significant oligohydramnios.
Single deepest pocket (SDP): is the depth of a single cord-free pocket of amniotic fluid. The normal range is 2 – 8 cm. Over 8 cm is considered polyhydramnios. Less than 2 cm is considered as oligohydramnios.
Ans. is ‘c’ i.e., Single Umbilical Artery
Malformations associated with unilateral renal agenesis
- Single umbilical artery o Controlateral vesicoureteric reflux
- Absent ureter o Absent Ipsilateral vas defrens
Bilateral renal agenesis
o It is incompatible with extrauterine life, death occurs shortly after birth from pulmonary hypoplasia. o It is also known as Potter syndrome.
