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Doctor insights on: Kidney Mass

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79 year old male with incidental discovery of baseball-sized kidney mass (NOT a cyst) on one kidney. Where do we start? Initial tests? Any warnings?

79 year old male with incidental discovery of baseball-sized kidney mass (NOT a cyst) on one kidney. Where do we start? Initial tests? Any warnings?

Generally: with advanced imaging....and this will most likely lead to imaging directed BIOPSY....only after that will an EXACT diagnosis and most suitable treatment be determined!

Hope this helps...good luck

Dr Z ...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


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Is it still worthwhile to have an MRI--even without gadolinium contrast--to determine if my kidney mass is a hemorrhagic cyst vs. a neoplasm?

Is it still worthwhile to have an MRI--even without gadolinium contrast--to determine if my kidney mass is a hemorrhagic cyst vs. a neoplasm?

Kidney mass: I believe that an MRI can make that distinction, but this question is best answered by the radiologist. Your attending physician can confer with the radiologist and get advice about what imaging test is best for further evaluation of the mass. ...Read more

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Can a benign kidney mass cause kidney stones?

Can a benign kidney mass cause kidney stones?

Yes and no: A benign kidney mass, the most common is called a simple cyst, does not cause kidney stones. Stasis of urine, diet and genetics cause stones. If there is calcium (or stones) within the mass then it may not be benign and a pre and post contrast ct or MRI is needed to determine what is going on. ...Read more

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MRI report shows Bosniak type 2f kidney mass measures 7cm n some retroperitoneal adenopathy measures 1cm. Should I worry? Is this a sign of cancer?

MRI report shows Bosniak type 2f kidney mass measures 7cm n some retroperitoneal adenopathy measures 1cm. Should I worry? Is this a sign of cancer?

Bosniak 2F: Usually, this type of cyst is benign. However a small percentage do have cancer potential. This kind of lesion requires repeat imaging to make sure it doesn't change appearance. Lymph nodes are very common in everyone, and 1 cm size is not "pathologically" enlarged, but these too would be remeasured at any follow up imaging. ...Read more

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Is there a connection of recent 4 CM solid kidney mass(will be removed next week) and thyroid cancer 5 years ago(papillary with follicular variant)?

Is there a connection of recent 4 CM solid kidney mass(will be removed next week) and thyroid cancer 5 years ago(papillary with follicular variant)?

Maybe: There may be a link, but the data at present are not completely understood (and seem contradictory in some papers). It is worth talking to a genetics expert. http://www.ncbi.nlm.nih.gov/pubmed/10843148 http://www.Ncbi.Nlm.Nih.Gov/pubmed/20465534. ...Read more

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Kidney mass 2 small 2 biopsy yet, dr is keepin an eye on it till we can, but also have high potassium in blood & kidney is not functioing so well, ?

Kidney mass 2 small 2 biopsy yet, dr is keepin an eye on it till we can, but also have high potassium in blood & kidney is not functioing so well, ?

See Nephrologist: Kidney lesions are usually not biopsied and monitored. If suspicious for cancer will need partial nephrectomy but is unlikely at your age. Work up for hyperkalemia(high potassium) need to be done by a kidney doctor. While kidney insufficiency is a major cause of high potassium, it is not the only one. ...Read more

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Would a kidney tumor/mass or tumor in general show up on a plain xray?

Would a kidney tumor/mass or tumor in general show up on a plain xray?

Not likely: Some tumors can be seen on plain x-ray but ct and MRI are much better for looking at the kidneys. ...Read more

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Male, 31years, diagnosed w/ 0.7cm kidney parenchima mass, little fat in ct. If malig, what are the chances of it already spread?

Male, 31years, diagnosed w/ 0.7cm kidney parenchima mass, little fat in ct. If malig, what are the chances of it already spread?

Probably Low: Only 50% of masses with a diameter smaller than 1 cm are malignant. Despite the localized, nonaggressive behavior of most small renal tumors, up to 5% of patients with masses 4 cm or smaller present with metastatic disease so we would expect the risk for your 7 mm mass to be much lower. Don't ignore it, get treated, good luck. Check out: http://gucasym.Org/dilemma-small-renal-mass. ...Read more

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Is it possible for a kidney cancer mass to be felt in the general hip area closer to the lower side?

Is it possible for a kidney cancer mass to be felt in the general hip area closer to the lower side?

Unlikely to be felt: Kidney cancers are rarely visible or palpable or felt on physical exam. Rarely though, a very big kidney tumor could be visible as bulge and felt in thin patients. Again this happens very rarely ...Read more

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What are lymnode a friend have 13cm mass on L kidney are all mass on kidneys s cancous no biospy taken can u be dignosed with cancous without it?

What are lymnode  a friend have 13cm mass on L kidney are all mass on kidneys s cancous  no biospy   taken  can u be dignosed with cancous without it?

Likely cancer: A 13cm mass in a kidney is almost always a cancer. Generally a biopsy is not needed before treatment. Surgery is usually done to remove the kidney and the mass. ...Read more

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What could a 3cm. Mass on kidney be.

What could a 3cm. Mass on kidney be.

Mass in kidney: To find out what the mass is, you need to see a urologist. For a mass this size, < 4 cm, 20-30% are non-cancerous. You will need to get a biopsy of this mass in order to get tissue from it to arrive at a diagnosis. A urologist can obtain the biopsy from your kidney. If it is malignant, then an oncologist will be the physician to manage the problem. ...Read more

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How accurate is X-ray in detecting a mass in kidney?

How accurate is X-ray in detecting a mass in kidney?

A standard: x-ray would be nearly useless in detecting a kidney mass unless the mass was very large, and even then it would be iffy. ...Read more

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I have a large mass on kidney, 12x8x9cm large. Described as having tubular cystic areas without vascularity, what are the things this may be?

I have a large mass on kidney, 12x8x9cm large.  Described as having tubular cystic areas without vascularity, what are the things this may be?

Urology referral: I would encourage you to seek an evaluation from a urologist who can weigh in on the nature of the mass. I assume the details you described are from a percutaneous biopsy? ...Read more

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I have Bright's disease, chronic kidney stones, and a mass on my kidney. Can they be connected?

I have Bright's disease, chronic kidney stones, and a mass on my kidney. Can they be connected?

Possibly: If you have Bright's disease then it is best you see you Nephrologist or get a referral from you Primary care physician ...Read more

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Stillbirth at 32 weeks due to 20% placenta abruption. Baby boy had a mass on kidney that kept growing could this have been what really caused stillb?

Hard to say: A formal autopsy would have been better able to find a specific cause.A placental abruption of as little as 5% could cause fetal loss if it included major blood loss, and with 20% this would be a likely cause. A growing mass on the kidney would eventually cause problems but its contribution to the stillbirth is impossible to know. ...Read more