【Chris】評論

(A)This is a sporadic disorder resulting from abnormal metanephric differentiation; it can be unilateral or bilateral.histologically, there are immature ducts surrounded by undifferentiated mesenchyme, often with cartilage formation. Most cases are associated with obstructive abnormalities of the ureter and lower urinary tract.(B)Infantile polycystic kidney dz：AR, oligohydramnios (decreased amniotic fluid).  So, baby is in an amniotic sac, with hardly any amniotic fluid around it, and therefore have malformation due to pressure.  Look at the nose and ears; this is called Potters face, which...