[Long term follow up of a patient with type I vitamin D-dependent rickets].

Background: Vitamin D dependent rickets type I is a rare hereditary disease due to a mutation in CYP27B1 encoding the 1α-hydroxylase gene. Clinically, the condition is characterized by hypocalcemic rickets in early infancy due to a deficit in the production of the vitamin D active metabolite 1,25-dihydroxy-vitamin D.

Case Report: We report the case of a patient diagnosed at 11 months with follow-up until 9 years of age.

[Nutcracker syndrome: Cause of non-glomerular hematuria and massive proteinuria].

Background: Nutcracker syndrome caused by compression of the left renal vein between the aorta and superior mesenteric artery is a non-glomerular cause of left renal bleeding and left varicocele. It has also been recognized to be an important cause of orthostatic proteinuria.

Case Report: A 17-year-old male was evaluated due to recurrent macroscopic hematuria.