A case of neonatal renal oxalosis in a 7-day-old calf is described. Clinical biochemistry revealed increased blood urea nitrogen. Gross findings included thin renal medulla and dilated renal calyces containing numerous, small, pale yellow and granular calculi. Histologically, most cortical and medullary tubules were dilated with birefringent crystals, whereas the glomeruli appeared unaffected. ...

Abstract Background and Aims Primary hyperoxaluria type 1 (PH1) is a rare genetic disease in which hepatic oxalate overproduction can lead to kidney stones, nephrocalcinosis, failure, systemic oxalosis, condition calcium deposited various tissues, including bone [1]. Radiological signs of oxalosis include findings such as dense metaphyseal bands coarse trabeculation [2]. No scale exists grade s...

in this paper we will present four cases of primary hyperoxaluria. all patients had a significant past medical history of polyuria (with or without microscopic hematuria) and polydypsia. all patients had a family history of their parents being cousins. initial evaluation of all patients by ultrasound and plain abdominal films revealed nephrocalcinosis. their clinical courses showed gradual loss...