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Doctor insights on: Cyst Kidney Pain

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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

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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I have 4 "tiny" stones 2 in each kidney and a very small cyst. I get bad kidney pain sometimes. Can this be caused if stones aren't in ureter?

I have 4 "tiny"  stones 2 in each kidney and a  very small cyst. I get bad kidney pain sometimes. Can this be caused if stones aren't in ureter?

No: Non-obstructing stones or a small cyst will not cause pain in the kidney. Kidney pain typically results from distention of the renal capsule when the stones move into the ureter. Pain usually occurs during acute obstruction. Cysts in the kidney only cause pain when there is hemorrhage into a cyst or very rarely do they cause blockage of the drainage from the kidney. ...Read more

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Can kidney cysts cause flank pain?

Can kidney cysts cause flank pain?

Not usually: Cysts vary in their causes, but most do not cause symptoms unless they become infected, blocked, or very enlarged. ...Read more

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Can cysts on kidney cause epigastric pain?

Not likely: So you should look for another cause for your symptoms. Many things can cause epigastric pain, so discuss with your doctor which tests you would need. ...Read more

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Will an ovarian cyst cause kidney stone like pain?

Will an ovarian cyst cause kidney stone like pain?

Possibly: Ovarian cyst s depending on their size may cause lower abdominal pain. They may also cause pain that radiates to other areas including the back. They may mimic the pain of kidney stones. When an evaluation is done urinanalysis , pelvic sonogram as well as physical exam will help to differentiate. ...Read more

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Can a simple kidney cyst change to a complex malignant cyst?

Can a simple kidney cyst change to a complex malignant cyst?

No.: Simple cysts are common and at your age 1 or 2 found in your kidneys are not worrisome. A simple cyst is not cancerous but if injury to that cyst leads to small bleeding within it, it can look "complex", meaning it is not easily distinguished from something more concerning such as cancer. These cysts warrant closer monitoring. Hope this helps! ...Read more

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Complex kidney cyst on right kidney. How would this be removed?

Complex kidney cyst on right kidney. How would this be removed?

? size, ? location: Can possibly removed by robot assisted surgery if robot available & surgeon is robot trained. Might be candidate for hand assisted laparoscopic surgery or laparoscopically depending upon size & location. Could also be removed by open flank or transabdominal surgery. Discuss with your urologist & don't be shy about getting second opinion if necessary. Good luck. ...Read more

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Can a kidney cyst burst? Is this common and what happens if it does?

Can a kidney cyst burst? Is this common and what happens if it does?

Kidney cyst: It is very rare for a kidney cyst to rupture. The only cysts that can rupture of those who have large cysts from Adult Polycystic Kidney disease. When these cysts rupture , it is usually bleeds ...Read more

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Why would a dr. call a ~1cm kidney cyst a "simple cyst" even though it has septations? What I've read says septations mean complex?

Why would a dr. call a ~1cm kidney cyst a "simple cyst" even though it has septations? What I've read says septations mean complex?

Kidney Cyst: It is best to ask your doctor to contact the radiologist who read the study to explain his reading. He may even speak directly to you so that you may understand why it is a simple cyst. ...Read more

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What is the difference between a typical and simple kidney cyst? I have a typical simple cyst of 1 CM on left kidney. I 'm male 31 years...

What is the difference between a typical and simple kidney cyst? I have a typical simple cyst of 1 CM on left kidney. I 'm male 31 years...

Atypical v simple: Simple cyst is a sac that contains clear liquid. It is usually benign. Atypical means non-typical. The contents here are not clear. It may contain old blood, fatty tissues, or solid tissue. We worry about possibility of solid tissue because it may be cancerous; hence, the follow up ultrasound which is designed to detect growth in order to allow for prompt intervention if needed. ...Read more

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Kidney cyst keeps growing (now 2.3cm). If i asked to have it removed, could is possibly grow back or increase risk of stones? What can I expect?

Kidney cyst keeps growing (now 2.3cm). If i asked to have it removed, could is possibly grow back or increase risk of stones? What can I expect?

No need to remove: If the cyst has benign appearance on ultrasound you just need a follow up. It is unlikely to be renal cell cancer based on your age but if the cyst has/develops solid appearance then it might need to come out. ...Read more

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How soon does a kidney cyst develop?

How soon does a kidney cyst develop?

Anytime: Kidney cyst can already be present at birth, develop in childhood or as an adult. A simple kidney cyst is very common, in fact present in up to 1 in every 3 humans ; usually require no treatment unless they become symptomatic. ...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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Will a complex kidney cyst go away on its own?

Surveillance: Complex kidney cyst should be followed by serial ultrasounds.Most of the cysts remain unchanged, however some may either increase or decrease in size. Complex cysts must be followed by serial imaging. ...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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Complex kidney cyst biopsy can be deadly?

Complex kidney cyst biopsy can be deadly?

Stop worrying: The worst that can happen is some heavy-duty bleeding and a trip to the operating room. A fraction of a percent of kidney biopsies are followed by this adventure, but i'd be much more worried about not having a tissue diagnosis on that cyst. ...Read more

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Does a 10cm kidney cyst require treatment?

Does a 10cm kidney cyst require treatment?

Simple or Complex?: Renal cysts are frequently observed in normal kidney (65-70% of cases). The size of the cyst is less important than character. Cysts can have different character appearances on different diagnostic studies (ultrasound, CT scan, or MRI). Based on what yours looks like, your doctor will either choose to follow it or perform additional imaging as they can also be a sign of more serious disorders. ...Read more

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I had a kidney cyst, do I need to go to er?

I had a kidney cyst, do I need to go to er?

No.: Follow up with your primary care physician. Only go to the er if you have an acute issue that needs immediate attention. ...Read more

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Can kidney cyst compromise my immune system?

No.: One person in four has a simple kidney cyst. Ignore it. I wish all the questions here were this easy! thanks for writing. ...Read more

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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


Dr. Michael Gabor
72 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