What is ascending Pyelography?
An antegrade pyelogram is an imaging test to find a blockage (obstruction) in the upper urinary tract. Your urinary tract includes the kidneys, ureters, and bladder. The ureters are the narrow tubes that carry urine from the kidneys to the bladder.
What is the difference between a colonoscopy and a CT colonography?
Virtual colonoscopy is also known as screening CT colonography. Unlike traditional colonoscopy, which requires a scope to be inserted into your rectum and advanced through your colon, virtual colonoscopy uses a CT scan to produce hundreds of cross-sectional images of your abdominal organs.
What is the difference between antegrade and retrograde pyelography?
Antegrade pyelography is the procedure used to visualize the upper collecting system of the urinary tract, i.e., kidney and ureter. It is done in cases where excretory or retrograde pyelography has failed or contraindicated, or when a nephrostomy tube is in place or delineation of upper tract is desired.
Are you sedated for a virtual colonoscopy?
Virtual colonoscopy (VC), also known as CT colonography, is equally effective, less invasive and faster than standard colonoscopy for colon cancer screening. Unlike standard colonoscopy, it does not require sedation. You can drive yourself home after the test and return to normal daily activities.
Is a CT colonography painful?
CT colonography is well tolerated. Sedation and pain relievers are not needed, so there is no recovery period and you can return to your normal daily activities immediately after the test. CT colonography is less costly than colonoscopy.
How long does gastrografin take to work?
It can take up to 1 to 2 weeks to get your results. You usually get your results from your specialist. It is important to check with your doctor how long you should expect to wait for your results.
What is Pyelography used for?
An intravenous pyelogram is used to examine your kidneys, ureters and bladder. It lets your doctor see the size and shape of these structures and determine if they’re working properly.
What are the indications of retrograde pyelography?
You may need a retrograde pyelogram if your healthcare provider thinks something is blocking your kidneys or ureters. It is also used to find a possible causes of blood in your urine. This may be a tumor, stone, blood clot, or narrowing (strictures).
Which is more accurate CT scan or colonoscopy?
Colonoscopy was the most sensitive test, irrespective of the outcome measured, Rockey said. Colonoscopy found 98 percent of lesions 10 millimeters or larger, compared to 59 percent for CT colonography and 48 percent for ACBE.
Why would a doctor order a CT scan after a colonoscopy?
The major reason for performing CT colonography is to screen for polyps or cancers in the large intestine. Polyps are growths that arise from the inner lining of the intestine. A very small number of polyps may grow and turn into cancers.
What is the descending colon in a colonoscopy?
Descending colon: After passing through the sigmoid descending junction and the sigmoid region, the gastroenterologist will then move through the descending colon which is a long tube with low mobility.
How is a colonoscopy performed?
The procedure is done with the patient in the left lateral decubitus position or laying down on their left side. The colonoscope is inserted through the patient’s rectum into the colon. The scope is then moved throughout the colon to visualize the lumen (the opening inside the bowels) and the walls of the colon.
What happens during a colonoscopy for colon cancer?
During a colonoscopy, your provider may remove tissue or polyps (abnormal growths) for further examination. He or she may also be able to treat problems that are found. The colon is the last section of your digestive system. It absorbs water to change waste from liquid to solid stool.
What is the CPT code for colonoscopy with biopsy?
CPT Codes for Colonoscopy (45378-45398) CPT Code Code Descriptor 45378Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure) 45379Colonoscopy, flexible; with removal of foreign body(s) 45380Colonoscopy, flexible; with biopsy, single or multiple