renal collecting system

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What does mild fullness of the right renal collecting system without definite obstructing calculi mean ?

Minimal swelling

Occlusion
Swelling of major urine ducts between collecting tubules and kidney pelvis, which 'funnel' draining all urine from kidney into the ureter. Mild fullness, usually within normal limits. Can signify minimal partial kidney obstruction from an anatomic narrowing, or from infection. Can also be from ureteral obstruction at bladder level,bladder neck ot urethra or bladder reflux or hight urine flow rate.
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Pelvic CT for micro hematuria revealed mild prominence of renal collecting system in the calyces bilaterally. No obstruction. Meaning?

Renal anatomy

Obstruction
The solid tissue of the kidney is comprised of an outer cortex and inner medulla. The blood is filtered and urine and is produced here. Urine is emptied into the collecting system, which begins at the calyces. Ultimately, the ureters transport urine to the bladder. Prominence or enlargement of the collecting system can sometimes indication obstruction to this outflow, which was not found.
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What does fullness of bilateral renal collecting systems mean?

Renal anatomy

Obstruction
The solid tissue of the kidney is divided into an outer cortex and inner medulla. The blood is filtered and urine and is produced here. Urine is emptied into the collecting system of the renal pelvis. The ureters then transport urine to the bladder. Prominence or enlargement of the collecting system can sometimes indicate obstruction to this outflow. Bilateral means it is seen on both sides.
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Dr. Eric Chen answered:

What does renal collecting systems are not appreciably dilated mean on a ct scan? Cause for concern?

Normal

Computed_tomography
This is a way of saying the part of the kidneys that collect and drain urine are normal.
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Dr. Aiman Shammas answered:

2 sets of renal collecting systems compatible with cross ectopic kidneys. I still have 2 kidneys right?

Yes, But..

Kidney
Two sets of collecting systems typically indicate two kidneys, more definitive imaging studies are needed such as ultrasound, CT scan or renal nuclear scan to assess the anatomy and functionality.
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Dr. Jeremy Gitomer answered:

2 renal collecting systems. Cross fused ectopic kidneys. Healthy functioning? should I watch intake of certain stuff? They work normally my doc says.

It's all good

Kidney
Cross fused ectopia is usually a finding that has little clinical significance. patients can have obstruction of the kidney drainage system. Patients may have hypertension based on artery compression due to the abnormal location of the vessels. No specific recommendations typically are made. I would in general limit nsaids and est a low sodium diet. If you see blood in urine see a doc.
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Can a renal artery effect the brain and nervouse system?

Maybe

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Renal artery disease can cause high blood pressure or kidney failure. These can in turn cause a variety of other problems, some of which obviously can affect the brain, but there is no direct connection
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How can the renal system compensate for respiratory acidosis?

HCO3 elimination

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By excreting bicarbonate
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Dr. John T. Hanna answered:

How does chronic kidney disease affect the renal system and organs?

Renal equals kidney

Kidney
The kidney is the basic engine of the renal system. It is what processes the wastes and corrects the chemicals in the body. The remainder of the renal or genitourinary system is the plumbing that allows the liquid wastes of the body to be eliminated.
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Dr. Simon Kimm answered:

How does the renal system compensates for metabolic acidosis and alkalosis?

Slowly & effectively

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In response to acidosis, the kidney increases reabsorbtion of bicarbonate from the tubular fluid, secretes more hydrogen ions, and generate more bicarbonate. Ammoniagenesis leads to increased formation of the buffering compounds. In responses to alkalosis, the kidney excretes more bicarbonate, decreases hydrogen ion secretion, and lowers rates of glutamine metabolism and ammonium excretion.
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