Question 1

ultrasound kidney mass black or white?

Accepted Answer

both: Kidney masses on ultrasound can be black or white or both.

Question 2

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?

Accepted Answer

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

Question 3

can a benign kidney mass cause kidney stones?

Accepted Answer

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.

Question 4

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?

Accepted Answer

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.

Question 5

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?

Accepted Answer

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.

Question 6

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)?

Accepted Answer

Yes: Patients who have survived  thyroid cancer have an increased risk of suffering a second malignancy, including renal cell carcinoma. A higher prevalence of genitourinary and kidney tumors has been reported in women with differentiated thyroid carcinoma.This association could be related to the specific treatment of the disease or to a genetic predisposition.

Question 7

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, ?

Accepted Answer

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.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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.

Question 10

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

Accepted Answer

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

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Doctor answers about:

Kidney mass

A member asked:

Ultrasound kidney mass black or white?

A member asked:

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?

A member asked:

Can a benign kidney mass cause kidney stones?

A member asked:

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?

A member asked:

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?

A member asked:

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)?

A member asked:

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, ?

A member asked:

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

A member asked:

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

A member asked:

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

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