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Discover the procedures and treatments we provide at Children's National Hospital. Providers at Children's National work with you and your family to decide on the best care plan for your child. Learn more about the Division of Diagnostic Imaging and Radiology.


A paracentesis is a procedure in which fluid is drained from the abdominal cavity, which is the space that lies between the abdominal organs, like the liver, and the abdominal wall.

Percutaneous Gastrostomy Tube

A percutaneous gastrostomy tube is a plastic passageway that goes through the abdominal wall into the stomach. Learn more about this procedure.

Percutaneous Liver Biopsy

During a percutaneous liver biopsy, a doctor places a needle through the skin of the right upper abdomen into the liver and takes small pieces of tissue for analysis. Learn more about this procedure.

Percutaneous Transhepatic Cholangiogram

A percutaneous transhepatic cholangiogram, or PTC, is an X-ray of the bile ducts (also called the biliary ducts). Radiologists and other doctors use the images to determine if the ducts are underdeveloped or blocked.

Radiofrequency Ablation

Radiofrequency ablation is a procedure in which a radiologist inserts probes into lesions, usually tumors of the bone, to heat and destroy the tissue in that region.


Sclerotherapy is a nonsurgical minimally invasive treatment option for certain types of vascular malformations. Learn more about this procedure.

Temporary Central Venous Catheters

A temporary central line is a short-term catheter placed in a vein, either in the neck or the groin. Learn more about this procedure.

Tunneled Central Venous Catheter

A tunneled central line is a catheter (a thin tube) that is placed in a vein for long term use. Learn more about this procedure.