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Doctor insights on: When Is A Kidney Cyst Ct Number Cancer

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I have a result of renal tract CT,,with 3cm exophytic mass arising from the upper pole of L kidney which looks like a cyst,,is this cancer??

I have a result of renal tract CT,,with 3cm exophytic mass arising from the upper pole of L kidney  which looks like a cyst,,is this cancer??

Maybe yes maybe no: If it's truly a cystic lesion and then I will be benign however there are cystic cancers of the kidney the more cystic component has the more likely it is benign let's hope it's a simple retention cyst with just fluid the ultrasound should help determine whether this is fluid maybe you should have a follow-up ultrasound after the CT scan ...Read more

Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Ct of kidneys, MRI and plain xray of lumb spine, all normal.Still have low back pain. On initial pl xray 2.4x2.1mm cyst was on rt ovary.Cld be cancer?

Ct of kidneys, MRI and plain xray of lumb spine, all normal.Still have low back pain. On initial pl xray 2.4x2.1mm cyst was on rt ovary.Cld be cancer?

Unlikely: Cancer is pretty low down the list of possibilities. The ovarian cyst is a common and normal finding and it is really unlikely that it has anything to do with your low back pain. Low back pain is a very nonspecific symptom with numerous causes, so it may take a while to figure it out. ...Read more

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What are the signs that complex kidney cyst is cancer?

What are the signs that complex kidney cyst is cancer?

Radiologic: Suspicious for malignancy if cyst appears irregular, if there are thick septations within cyst, calcifications, irregularities, polypoid or solid elements within cyst wall or septations. If complex cuts appears to be enlarging. Should be confirmed by ct with IV contrast if diagnosis is by ultrasound. Also needs 2b followed by serial ultrasound if early intervention is avoided. ...Read more

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Child has elevated AST liver enzyme (1st test 58, 2nd test 43). Dr says no worry. Also has complex kidney cyst. Is it a sign of cancer spread 2 liver?

Child has elevated AST liver enzyme (1st test 58, 2nd test 43). Dr says no worry. Also has complex kidney cyst. Is it a sign of cancer spread 2 liver?

Return To Doctor: Child's age/details of Kidney disorder unknown. Liver enzymes (AST, ALT) elevate with liver cell damage however AST elevations can also come from anomalies in other organs, (eg. heart, kidneys & more) & does not point specifically to liver. Your child's AST's are very mildly elevated. With so little info given, suggest you see doctor to discuss cancer fears & to better understand child's condition ...Read more

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Which is safer for a child- MRI under deep sedation, or low-dose CT scan with no sedation? This is to evaluate complex kidney cyst.

Which is safer for a child- MRI under deep sedation, or low-dose CT scan with no sedation? This is to evaluate complex kidney cyst.

It depends: The best study really depends on what the doctor is trying to evaluate. Certainly having no sedation may be safer than a procedure with sedation, but may not give as accurate a picture of the kidneys. Children are frequently sedated for imaging procedures because excessive movement will make the study unreadable. ...Read more

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New spot found on liver thru ct.Early bt show increase liver enzymes.Us show fullness kidney & cyst on gallbladder.What does this mean?

New spot found on liver thru ct.Early bt show increase liver enzymes.Us show fullness kidney & cyst on gallbladder.What     does this mean?

Hard to say: Have you had a colonoscopy? It is hard to say what the spot on your liver is without looking at your films... This could be a simple cyst, but if it is new, it could be a colon cancer (or other kind of tumor). You need a proper exam, including a colonoscopy if you haven't had one yet. If that is negative, it may require a biopsy. ...Read more

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11cm complex (BF2) kidney cyst drained & sclerotherapy 2 months ago - bad back pain - CT now shows 4 CM complex cyst could this cause so much pain?

11cm complex (BF2) kidney cyst drained & sclerotherapy 2 months ago - bad back pain - CT now shows 4 CM complex cyst  could this cause so much pain?

Here are some ...: For such sequential follow-up concern after percutaneous Rx, it's logical to direct it to the treating Doc. But in a sense, the CT before & after Rx seems suggesting favorable outcome thus far. It requires a longer time to decide the clinical fate of this treated complex cyst - requiring cryo or RF-ablation or just watch.. Does it cause pain? More analysis is needed; so seek pro-revaluation timely ...Read more

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If a 1cm complex kidney cyst has been stable in size for 4 months, what are the chances it is cancer and is it possible for it to spread at this size?

If a 1cm complex kidney cyst has been stable in size for 4 months, what are the chances it is cancer and is it possible for it to spread at this size?

Renal cyst: The fact that it is small and stable after 4 months is a good sign. However another renal ultrasound should be done in 6 months to look for growth or change in structure. There is an increased risk of malignancy with a complex cyst and it should be watched closely ...Read more

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Ct shows complex kidney cyst is 6cm is iif. But my dr wants another CT in dec i can't have MRI as I have brain clip. Should i wait?

Ct shows complex kidney cyst is 6cm is iif. But my dr wants another CT in dec  i can't have MRI as I have brain clip. Should i wait?

Too little info: Not stated what "iif" means. Cannot say but good quality ultrasound (make sure you see, understand & keep copies of the images) generally works quite well/better, is safer, less expensive & the metal of the vascular clip is not a problem. Keep in mind your primary-medical-decision-maker/the-one-who-lives with-results-of-all-decisions/actions; no one else has same vested interest. ...Read more

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Does a CT scan that shows dialation in one of the kidneys mean cancer?

Does a CT scan that shows dialation in one of the kidneys mean cancer?

Not necessarily: Dilation is a reflection of obstruction which may be due to a cancer or a benign tumor/polyp, a small stone, or a scarring of ureter. ...Read more

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Dr. Jan Lei Iwata
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Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


Cyst (Definition)

A cyst is a structure or mass that consists of a cellular lined sac. It is typically filled with fluid but may be filled with solid material. It can be congenital, traumatic, or acquired. They may develop nearly anywhere in the body and usually require complete excision for eradication or they are likely to recur. Fluid filled sacs that are not cellular lined ...Read more