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Doctor insights on: Exophytic Cyst Kidney

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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

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


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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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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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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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What are the symptoms of a kidney cyst?

What are the symptoms of a kidney cyst?

Most, no...: Kidney cysts are common and more 50% of humans have cyst(s) after age 50, but may happen to the younger; most of them are symptom-free and harmless although usually growing slowly over time. As to how to follow them, that depends on the characteristics of cysts on imaging studies and the updating professional experience over time down the road. So, for detail, ask urologist... Best wish. ...Read more

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Can a kidney cyst with septations ever disappear / dissolve?

Can a kidney cyst with septations ever disappear / dissolve?

No,...: Oftentimes, your described cyst with septations is an incidental finding and causes no discomfort and risk to you. Such cyst will stay with you forever and grow over time with its wide variation of evolution. If necessary, timely periodic renal US or CT may be required to see if there is a high suspicion for neoplasm, As to how to handle such, ask your radiologist or urologist for timely detail. ...Read more

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Can a very large (6.5) *benign* right side kidney cyst- later cause pain or any symptoms for concern?

Can a very large (6.5) *benign* right side kidney cyst- later cause pain or any symptoms for concern?

Renal cyst : What wa stage cyst size, was in mm or cms. Either way a small cyst. Most of these don't cause issue. ...Read more

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


Dr. Ira Katz
59 doctors shared insights

Kidney Cyst (Definition)

Kidney cysts are fluid filled sacs that form in the kidney. Most are simple cysts and harmless. Some may ...Read more