most common

Question 1

mc cause of non-obstetric surgery in pregnant women

Answer 1

appendicitis

Question 2

mc cause of hypertension in the neonate

Answer 2

renovascular disease

Question 3

mc cause of hypertrophic cardiomyopathy in neonate

Answer 3

Noonan’s (~20%), also pulmonic stenosis (~50%)

Question 4

mc cause of cyanotic heart congenital defect

Answer 4

Tet of Fallot

Question 5

mc cause of flank mass

Answer 5

hydronephrosis

Question 6

mc cause of congenital hypothyroidism

Answer 6

thyroid dysgenisis

98% are sporadic

Question 7

mc cause of preterm EOS

Answer 7

GBS (still, even though much diminished)

Question 8

mc cause of VLBW EOS

Answer 8

E coli

Question 9

mc neonatal malignancy

Answer 9

neuroblastoma (in adrenal medulla or along parasympathetic chain), liver, skin. 90% have urine VMA/HVA). Most regress, 4s stage.

Question 10

mc cause of neonatal hyperthroidism

Answer 10

maternal graves

can also be due to maternal hashimoto or mccune albright

Question 11

mc cause of adrenal hemmorhage

Answer 11

birth trauma (30%)

Question 12

mc type of congenital cranial tumor

Answer 12

teratoma (55%) (medulloblastoma is 2nd mc)

Question 13

mcc of hydrocephalus

Answer 13

aqueductal stenosis (30%)

Question 14

mc genetic abnormality with omphalocele?

Answer 14

aneuploidy

Question 15

mc organism in placenta?

Answer 15

ecoli, located in trophoblast

Question 16

Mc type of nephrocalcinosis

Answer 16

Calcium oxalate in renal medulla

Question 17

mc cause of unilateral vocal cord paralysis

Answer 17

cardiac surgery

Question 18

mc renal tumor of the neonate

Answer 18

congenital mesoblastic nephroma

• 75% of cases
• mostly fibroblastic cells
• usually confined to renal capsule
• nephrectomy usually curative

Question 19

mc cause of acquired valvular disease in pregnant women

Answer 19

rheumatic fever

Question 20

mc valvar issue in pregnant women

Answer 20

mitral valve stenosis

Question 21

mc inherited disorder of hyperbilirubinemia

Answer 21

gilbert (present in 9%), AR or AD
in mother: intermittent episodes of jaundice with stress, no liver disease
defect in promoter region of UDPGT gene

(CN is due to mutation in exons flanking UDPGT gene)

Question 22

mc presentation of congenital syphillis?

Answer 22

hepatomegaly (almost all affected newborns)

Question 23

mc disorder associated with post-axial polydactyly?

Answer 23

patau (tri 13) - post axial is on ulnar

vs pre axial is radial