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Doctor insights on: Exophytic Kidney Lesion

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Kidney (Definition)

The kidneys are paired organs that lie on either side of the vertebral column. Part of their critical functions include the excretion of urine and removal of nitrogenous wastes products from the blood. They regulate acid-base, electrolyte, fluid balance and blood pressure. Through hormonal signals, the kidneys control the ...Read more


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Can there be a cyst and a exophytic solid mass lesion on a kidney? Are the thge same? Does the solid mass indicate cancer?

Can there be a cyst and a exophytic solid mass lesion on a kidney? Are the thge same? Does the solid mass indicate cancer?

Need followup: Renal cysts are common. The majority are benign. Cysts can also be assoicated with malignancies and some malignancies have cystic areas. A solid exophytic mass may be more worrisome. YOu need a further workup and you may need a biopsy or surrgical resection to know for sure. Discuss imaging and surgical options with your doctors. Read more

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How serious is: exophytic T2 hyperintense renal lesion, 6cm x 7cm x 5cm? Kidney is 12cm length. US indicates simple cyst. Some discomfort in abdomen.

How serious is: exophytic T2 hyperintense renal lesion, 6cm x 7cm x 5cm? Kidney is 12cm length. US indicates simple cyst. Some discomfort in abdomen.

Not serious: The kidney cyst is a round pouch of smooth, thin-walled tissue usually filled with fluid. Simple cysts are the most common type. They are not the same thing as polycystic kidney disease, which is progressive and can lead to kidney failure The size of these cysts may also increase with age. They usually do not cause symptoms. If found during an ultrasound or CAT scan they are frequently watched. If necessary they can be aspirated and the space filled with a solution that contains alcohol Read more

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What does it mean to have complex exophytic cyst in kidney?

What does it mean to have complex exophytic cyst in kidney?

It means that: The cyst is not empty and has complex material inside it. Kidney cancer has to be excluded by a ct scan with IV dye in cases of complex cyst. Read more

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I have exophytic cyst on my right kidney is it something I should be worried about?

I have exophytic cyst on my right kidney is it something I should be worried about?

As long: As it is a simple cyst, it shouldn't cause any problems or require any treatment. In rare cases, benign cysts grow very large and can cause symptoms simply due to their size, but that is unusual. Kidney cysts are very common. ""Exophytic" simply means it is protruding from the nromal margin of the kidney, it doesn't imply that there is anything worrisome. Read more

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My left kidney is lobulated and has a exophytic componet in the upper kidney pole is this normal? I do have back pain.

My left kidney is lobulated and has a exophytic componet in the upper kidney pole is this normal? I do have back pain.

Explanation.: Lobular kidney and even kidney stones could be the accidental findings on radiological exam and benign condition. Kidney related pain usually radiated to flank, more rare on back. Please check with your doctor. Read more

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MRI of back also showed exophytic T2 bright lobulated focus involving superior medial Rt kidney measuring 2.1 cm. What could this be?

MRI of back also showed exophytic T2 bright lobulated focus involving superior medial Rt kidney measuring 2.1 cm. What could this be?

Depends: What type of MRI was acquired and discovered this finding? This could be a frequently seen incidental cyst seen on a lumbar spine MRI or a mass as part of a renal lesion evaluation study MRI. Feel free to schedule a consult to review your exact imaging and this finding. Read more

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Found out 5 months after having a CT scan in august2012 that I have 2.8 CM exophytic mass on my rt kidney. What should happen now?

Found out 5 months after having a CT scan in august2012 that I have 2.8 CM exophytic mass on my rt kidney. What should happen now?

Kidney mass: You should have been evaluated by a urologist and possibly undergone surgery that's about the minimum please go back to the doctor asap. Read more

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Large exophytic R renal cyst 12.9x9.8x10.7 kidney 11.5 vert. Span. Note says mild fullness R renal pelvis, no true hydronephrosis? Meaning??

Large exophytic R renal cyst 12.9x9.8x10.7 kidney 11.5 vert. Span. Note says mild fullness R renal pelvis, no true hydronephrosis? Meaning??

See below: Simple cysts are of no consequence unless there is pain involved. Your cyst is larger than usual, but if you do not have pain I would not worry. Mild fulness of R renal pelvis is just a radiographic finding, I would not worry as it has no real significance as long as there is no hydronephrosis. Read more

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What is exophytic renal cysts? My husband has one that is measured 8mm. Could it be a precursor to kidney cancer?

What is exophytic renal cysts? My husband has one that is measured 8mm. Could it be a precursor to kidney cancer?

Unlikely: Exophytic renal cysts are simply cysts that extend outside the kidney capsule. You can envision a "pimple" on the surface of the kidney. Endophytic cysts are those that are buried within the kidney cortex. The 8 mm cyst is very small and difficult to characterize on noncontrast imaging. However, such a small lesion without complex features is highly unlikely to be cancerous. May deserve followup. Read more

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On CT the doctors found multiple exophytic solid masses on bilateral kidneys. What is the likely diagnosis, cancer?

On CT the doctors found multiple exophytic solid masses on bilateral kidneys. What is the likely diagnosis, cancer?

Could be: Different things- including benign tumors (like lipoma, stromal tumor, adenoma, fibroma etc)-, however malignancy is something that is absolutely has to be ruled out. You need a biopsy of the kidney mass definitively. Discuss further with your doctor. Read more

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I have well defined exophytic mass in left kidney as per CT scan report. What does that mean? Is it cancer of the kidney?

Possibly.: If the mass is solid this is one of the possibilities. The ct scan should indicate if it is solid, cystic, or a combination of the two. The size should also be given as well as an opinion regarding what this mass represents. Please discuss this with your doctor. Read more

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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

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Large partially exophytic heterogeneously enhancing mid pole mass left kidney. CT w/ & w/o contrast. Doc said sorry it's cancer & left. Now what?

Large partially exophytic heterogeneously enhancing mid pole mass left kidney. CT w/ & w/o contrast. Doc said sorry it's cancer & left. Now what?

See urologist asap: Any mass in the kidney must be evaluated thoroughly by Urologist as soon as possible. If its cancer, it must be evaluted for surgical removal. SEE UROLOGIST ASAP Read more

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I Was Diagnosed with a hyodense lesion on my right kidney. Is This Serious?

I Was Diagnosed with a hyodense lesion on my right kidney. Is This Serious?

Lesion right kidney: This finding requires further characterization. If this was an ultrasound finding, then the choice is to do no further testing, vs repeat ultrasound in 4-6 months, vs undergo MRI with Gadolinium. This may be a simple cyst. Harmless. It may be a complex cyst, which is uncertain until further characterized by MRI. Read more

Dr. Scott Bolhack
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