What is the patient positioning for renal biopsy?
Usually the patient lies prone to access the native kidney safely. On occasion, if the patient is unable to lie prone, alternative positioning is required. For transplant kidney biopsy the patient lies in the supine position.
Why are 2 biopsy cores usually taken for native non-focal kidney biopsy?
One core is taken for immunofluorescence/electron microscopy and the other for routine stains, such as H & E stain,
Dynamic image as biopsy taken.
The core biopsy aims to taken the renal cortex, without significant medullary fat, and certainly avoiding the pelviocalyceal system.