Quartan malaria-associated childhood nephrotic syndrome: now a rare clinical entity in malaria endemic Nigeria.

Background: The study determined (i) whether or not quartan malaria nephropathy (QMN) is still a major cause of childhood nephrotic syndrome (CNS) in Nigeria, (ii) secondary causes other than QMN and their associated glomerular pathology and (iii) renal and patient outcome.

Methods: The study was a prospective non-randomized study of consecutive cases of secondary CNS. Patients with idiopathic CNS were excluded.