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Doctor insights on: Unilateral Hydronephrosis Risk Factors

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What is unilateral hydronephrosis?

What is unilateral hydronephrosis?

Hydronephrosis: Refers to fluid inside the kidney. This fluid is urine which is able to remain in the kidney because of a larger size of the renal pelvis. The renal pelvis is the part of the kidney where the urine collects prior to descending into the bladder. The size of the pelvis should not exceed 7 mm on ultrasound. Small increases have no clinical significance and may represent variants of normal. ...Read more

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Dr. Qamar Khan
137 doctors shared insights

Hydronephrosis (Definition)

Due to abnormal amount of urine retained by kidney due to swelling of internal renal collecting system consisting of cayces & renal pelvis. Urinary collecting ducts drain into calyces which dreain into pelvis (like a funnel) draining into ureter. Causes mostly blockage, congenital or acquired from stone, fibrous tissue, growth or external pressure of pelvis or lower down, ...Read more


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What do you suggest if my unborn babyboy has unilateral hydronephrosis?

What do you suggest if my unborn babyboy has unilateral hydronephrosis?

Pediatric urologist: There are lots of causes for this. A pediatric urologist will diagnose and provide treatment. It can be lots of things from bladder reflux, obstruction among others. ...Read more

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My unborn baby boy has unilateral hydronephrosis. What is this?

My unborn baby boy has unilateral hydronephrosis. What is this?

Not to worry: Your baby will have an ultrasound after birth to see if it is still there.This is a finding I read a lot on prenatal ultrasound reports. So far none in my experience have had it after birth even though they were all thought to have it prenatally. It means the kidney on the affected side has developed an appearance suggestive of back up fluid and pressure on it as if something is blocking the flow of urine from the kidney to the bladder. ...Read more

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Can you please describe left mega urethra and unilateral hydronephrosis?

Can you please describe left mega urethra and unilateral hydronephrosis?

Here are some...: Oftentimes, the described condition is a congenital anomaly resulting from poorly innervated distal atonic ureter, which is usually found incidentally on imaging studies for other reasons. Such adynomic segment and resulting massive ureteral dilation is prone to bleed upon trauma and to induce bacterial UTI so to precipitate active evaluation. More? Ask urologist or radiologist timely. ...Read more

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What is left mega urethra and unilateral hydronephrosis? What causes it?

What is left mega urethra and unilateral hydronephrosis? What causes it?

Here are some...: Oftentimes, the described condition is a congenital anomaly resulting from poorly innervated distal atonic ureter, which is usually found incidentally on imaging studies for other reasons. Such adynomic segment and resulting massive ureteral dilation is prone to bleed upon trauma and to induce bacterial UTI so to precipitate active evaluation. More? Ask urologist or radiologist timely. ...Read more

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Hi doctors, can you tell me what is left mega urethra and unilateral hydronephrosis?

Hi doctors, can you tell me what is left mega urethra and unilateral hydronephrosis?

Swollen kidney ;tube: Unilateral hydronephrosis describes inside of kidney is swollen by urine caused by obstruction or urinary reflux. Mega-ureter is a swollen urinary tube between bladder ; kidney also from obstruction at lower end or bladder reflux. Taken together indicates that problem is at junction of bladder ; ureter. Megalourethra ia rare condition where part or all of urinary tube below bladder is very wide. ...Read more

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Hello sir. My daughter is two months with a mild hydronephrosis diagnosis when she was one month old. The doctor asked for a repetition of U/A. The results showed WBC 4-6 and Epithelial cells 3-5 with all the remaining factors including bacteria negative.

Hello sir. My daughter is two months with a mild hydronephrosis diagnosis when she was one month old. The doctor asked for a repetition of U/A. The results showed WBC 4-6 and Epithelial cells 3-5 with all the remaining factors including bacteria negative.

Looks fine: More importantly is the general condition of your daughter if she feeding, growing, acting fine, no other symptom and kidney functions are normal and stable, just observe, and keep the follow up with your doctor, wish you and your child wellness ...Read more

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Causes of hydronephrosis?

Several: Blockage in the ureter, bladder neck or urethra. This can be internal, external or within the walls of these organs.There are several causes. ...Read more

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Mild hydronephrosis cause pain?

Mild hydronephrosis cause pain?

Stone obstruction: Which causes mild hydronephrosis can cause pain. U might have flank or abdominal pain following high fluid consuption from intrinsic obstruction due to stretching of kidney pelvis. Pain would lessen or go away with time ; only mild hydronephrosis would be seen on us. Repeat us after fluid load or during pain episode might give more information. Pain may well be due to other causes. ...Read more