top of page

Renal Biopsy


Renal biopsy is a procedure for removal of a small fragment of tissue from the kidney for analysis to identify kidney diseases that other tests and tests are not able to clarify.


In kidney biopsy it is possible to obtain a small fragment of the kidney, approximately 1 to 2 cm long, through a special needle inserted into the back of the patient.


Like this fragment in hands, we can microscopically assess the impairment of the kidneys' structures and establish diagnoses, prognoses and indications to start or not to treat, says Top Nephrologist in Delhi.


Generalities of the test


Usually, a kidney biopsy is done by inserting a biopsy needle into the kidney through the back. This is known as a percutaneous renal biopsy. A tissue sample is taken and sent to a laboratory. It is examined with a microscope. The sample can help the best Nephrologist in Delhi to determine the health of the kidney and detect problems.


According to Nephrologist in Delhi, a kidney biopsy can be done to detect kidney problems. It can also be done after other tests to detect kidney disease, such as blood and urine tests, an ultrasound, or a CT scan, show a kidney problem.


Why is it done?


The renal biopsy is done by best Kidney Specialist in Delhi to:

  • Detect kidney disease when there is blood or protein in the urine or when the kidneys are not working well.

  • Examine the kidney problems seen on an ultrasound or computed tomography.

  • Control a kidney disease and see if the treatment is working.

  • Find out why a transplanted kidney is not working well.

  • Find out more about a tumour that was found in the kidney.

How is it done?


A kidney biopsy is performed by a urologist, a nephrologist, or a radiologist at a clinic or hospital. Often, a kidney biopsy is performed by a radiologist, who uses an ultrasound, a fluoroscopy, a CT scan, or an MRI (magnetic resonance imaging) scan to guide the biopsy needle.


All or almost all clothing must be removed. He will wear a robe. It is possible that before the biopsy, you are given a sedative intravenously (IV) in a vein in your arm. The sedative will help you relax and remain still during the biopsy.


During the test


You will be asked to lie on an examination table. They will place a sack of sand, a firm pillow or a rolled towel under the body to support the abdomen. It is very important that you follow the doctor's instructions about breathing, holding your breath and staying still while you are having a biopsy.


Your doctor will examine your back and may make a slight mark on the skin with a pencil or an instrument at the biopsy site. The biopsy can be performed on the right or left kidney. The site will be cleaned with a special soap. Then, your doctor will give you a local anaesthetic to numb the area where the biopsy needle will be inserted.


The doctor will insert the biopsy needle through the skin while observing your kidney using ultrasound or another imaging technique. You will be asked to hold your breath and remain very still while the needle is inserted into the kidney.


The needle is removed after taking the tissue sample. Pressure is applied at the biopsy site for several minutes to stop bleeding. Then, a bandage is placed on the site. The biopsy lasts between 15 and 30 minutes.


After the test


After the biopsy by Nephrologist in Gurgaon, you will rest in bed from 6 to 24 hours. The pulse, blood pressure and temperature will often be checked after the biopsy.


If there are no problems, you can go home. To prevent bleeding at the biopsy site, you will be asked to lie down in a certain position for the next 12 to 24 hours. You can continue with your normal diet. Do not take aspirin or anti-inflammatory medications for a week after the biopsy. You can do your usual activities, but do not do intense activities, such as lifting heavy objects, running with intensity, riding a motorcycle, playing contact sports or doing other activities that could shake or shake the kidney, for 2 weeks after the biopsy, says Kidney Specialist in Gurgaon.

bottom of page