What is the shape of urine?

Cast urine is cylindrical.

Cast urine is a protein-based cylindrical structure formed by coagulation in renal tubules, often accompanied by proteinuria and hematuria. According to the morphology of casts, it can be divided into granular cast, fatty cast, waxy cast, etc. If it is granular cast, it may be caused by chronic nephritis, pyelonephritis, etc. If it is fatty cast, it may be caused by nephrotic syndrome, acute attack of chronic glomerulonephritis, etc. If wax-like cast, it may be caused by late glomerulonephritis or chronic renal failure. once the above symptoms occur, patients should promptly improve ultrasound examination, renal function examination and other clear causes, and targeted treatment.