Dysplasia

Aplasia - defective development or complete absence of an organ/tissue due to a failure in development Dysplasia - an abnormality of development or an alteration in size, shape and organisation of adult cells

  • Disorganised development of the renal parenchyma as a result of anomalous differentiation.
  • Most kidneys are small, cystic and fibrosed. Histologically the presence of anomalous structures can be seen.
  • Can be congenital or acquired during the neonatal period.
  • Hypovitaminosis A, viral infections or ureteral obstruction are predisposing factors.