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Doctor insights on: What Does A Colonoscopy Show

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Why does colonoscopy test show a blockage?

Why does colonoscopy test show a blockage?

Cancer/ inflammation: Both cancer and noncancerous inflammatory conditions like diverticulitis can cause obstruction of the colon and symptoms associated with that obstruction. During colonoscopy, the obstruction will not allow the colon to distend properly allowing the operator to visualize the problem and biopsy any abnormality. ...Read more

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Dr. Charles Cattano
2,044 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


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What does a cd117 stain on a bladder biopsy show exactly?

What does a cd117 stain on a bladder biopsy show exactly?

Mast cells: Among other things, this lights up mast cells, which tend to be increased in interstitial cystitis which may be a diagnostic consideration. Leave interpretation up to the pathologist; if there's a question, ask for a few other pathologists to look at the biopsy. ...Read more

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What does a duodenum biopsy show?

Duodenum: Biopsies of the duodenum are usually performed to rule out inflammation of the lining or infection. Most commonly, biopsies are used to determine if the pathology is consistent with celiac disease. ...Read more

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What does an anoscopy look for? Does it detect cancer/tumors? Had a neg colonoscopy last year.

What does an anoscopy look for? Does it detect cancer/tumors? Had a neg colonoscopy last year.

Anoscopy: An anoscope is a round piece of clear plastic that's used to look at the anus and first part of the rectum, think of it like the anal version of a vaginal speculum. It's used to look for diseases of the anus and rectum like hemorrhoids, anal fissures, and rectal cancers. Anoscopy is only able to look a few inches into the rectum. If you are having anal pain or bleeding it is an appropriate test. ...Read more

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What does a echocardiogram show?

What does a echocardiogram show?

Several things: The heart muscle, the valves, arteries such as the aorta, the four chambers of the heart, fluid around the heart if present, how hard the heart is contracting, whether it is too weak or too thick. ...Read more

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What tests would show you have cancer Does it show up in bloodtests etc?

What tests would show you have cancer Does it show up in bloodtests etc?

First things first: A thorough history and physical by a physician may focus the evaluations on specific areas of the body. Blood tests are not specific enough to screen for most types of cancer. Thanks for trusting HealthTap! ...Read more

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What does a cystoscopy show that a kub and/or abdominal CT scan wouldn't?

What does a cystoscopy show that a kub and/or abdominal CT scan wouldn't?

Indication 4 surgery: Cystoscope is a surgical procedure with risk. Before signing consent, have family with you to ask surgeon these questions. Understand your risk/benefit analysis. Typically the cystoscope allows views of the inside lining, not provided on ct and kub, with access to remove objects, place stent, take biopsy, make additional recommendations. Kub and ct may show obstruction, scope can correct. ...Read more

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What does a kub X-ray show?

What does a kub X-ray show?

Your abdominal: Area. Bones, bowel gas pattern. Stones if present. See radiologyinfo.Org. ...Read more

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What does it mean to have a meningocele on CT scan?

What does it mean to have a meningocele on CT scan?

Meningeal herniation: A meningocele is a protrusion of the meninges, outer lining of the brain or spinal cord, and contains csf, cerebrospinal fluid.They can be congenital or acquired, for example after surgery. Most are located in the lumbosacral region. A simple meningocele is usually not associated with other spinal abnormalities. ...Read more

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Can you please tell me, should a colonoscopy show everything a stool test would?

Can you please tell me, should a colonoscopy show everything a stool test would?

The two tests: Can be complimentary and there may be some overlap but each test has the potential to show something the other does not detect. It really depends on what you mean by "stool test", there are many kinds of stool tests. ...Read more

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What does it mean for a blood smear to show moderate polychromasia and moderate Schistocytes? Google doesn't give a good picture. :) Thanks

What does it mean for a blood smear to show moderate polychromasia and moderate Schistocytes?  Google doesn't give a good picture.   :)  Thanks

Worrisome: Look for something fragmenting the red blood cells. If the person isn't obviously sick with disseminated intravascular coagulation or thrombotic thrombocytopenic purpura, perhaps they have an old-fashioned mechanical heart valve. Polychromasia should prompt a search for causes of hemolysis. The pathologist may want to review this slide. Best wishes. ...Read more

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What exactly does it mean to have a false-negative result in a cat scan?

What exactly does it mean to have a false-negative result in a cat scan?

It means: That the ct scan was negative for pertinent findings while the condition or disease of the patient was demonstrated to be in existence at the time of the scan. ...Read more

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How do a colonoscopy and a sigmoidoscopy differ?

How do a colonoscopy and a sigmoidoscopy differ?

Longer test: A sigmoidoscopy only sees part of the colon. The traditional sigmoidoscopy was 60 centimeters and saw the sigmoid and descending colon. A colonoscope is 120-160cm and should visualize the entire colon. Usually the sigmoidoscopy is done unsedated while the colonoscopy is done with sedation. ...Read more

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What does a mrcp scan show?

What does  a mrcp scan show?

Several things: An mrcp (magnetic resonance cholangiopancreatography) is a type of MRI scan that can evaluate the pancreas (mass, pancreatitis), bile ducts (stones, abnormal size/appearance), gallbladder (stones, mass), and liver. It's most used to look for a stone in the common bile duct. In addition, other organs including the spleen, adrenals, kidneys, and stomach/bowel are identified. ...Read more

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What will an upper endoscopy show that a CT scan wouldn't show?

What will an upper endoscopy show that a CT scan wouldn't show?

Mucosal lining...: ...and will permit biopsies. CT cannot accurately diagnosis eosinophilic esophagitis, Barrett's esophagus, H.pylori, celiac sprue whereas these entities can all be found (or largely ruled out) histologically upon endoscopic sampling. ...Read more

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What exactly is a pap smear and what does it show?

What exactly is a pap smear and what does it show?

Risk of cancer: It is a screening test to look for changes in cells that may at risk of becoming cancerous. If done correctly, the test can prevent vast majority of the cases of cervical cancer. ...Read more

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What does an esophagram results show?

What does an esophagram results show?

An esophagram shows: how food and fluids move through the esophagus and into the stomach. It is used to see gastroesophageal reflux and well as other esophageal motility or structural problems. It is an Xray study done after swallowing a contrast material, such as barium, sometimes instead of or preceding an endoscopy, which would involve being sedated. ...Read more

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What does a normal CT scan look like and how can u tell if there is abnormalities?

Very broad question: Ct scans are interpreted by radiologists, specially trained doctors who spend many years learning how to identify abnormalities on medical imaging studies, including ct scans. The radiologist knows in great detail what the body is supposed to look like on a ct scan and searches systematically for anything out of the ordinary. Sometimes abnormalities are obvious, but they can be very subtle. ...Read more