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Doctor insights on: Mild Hydronephrosis Causes

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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

Dr. Sheila Smith
146 Doctors shared insights

Hydronephrosis (Definition)

A condition characterized by excess fluid in a kidney due to ...Read more


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Pain on left kidney. Ct scan shows nothing and ultrasound shows mild hydronephrosis. What would cause this?

Pain on left kidney. Ct scan shows nothing and ultrasound shows mild hydronephrosis. What would cause this?

UPJ stenosis: Ultrasound may detect early obstruction better than ct, and sometime the other way around. It depends. Anyway, left flank pain with mild hydronephrosis, and no stone is usually due to a narrowing of the joint between the ureter (pipe to the bladder) and the renal pelvis (holding area for urine). If there is a mild or partial "blockage" that could explain everything. Read more

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I have a 5mm stone that is stuck in the ureter, just outside the bladder. It has caused mild hydronephrosis and hydro-ureter. I have no pain at all, just a slight "awareness" in my lower back. 3 questions. 1. How swiftly must this be addressed" days?

No rush, may pass: Most 5 mm ureteral stones pass spontaneously. Your symptoms are mild and you have had either a ct or a renal ultrasound & are under care so there is no immediate need for intervention. Urine should be filtered in case stone is passed. Studies can be repeated in 2 weeks, or sooner if symptoms increase, risk of renal damage is minimal. Stone can be removed later as needed. Ureter. Read more

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Causes of hydronephrosis?

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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Can hydronephrosis cause pylonephritis?

Can hydronephrosis cause pylonephritis?

Not cause/predispose: Hydronephosis does not cause pyelonephritis but it predisposes to it. Read more

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Is it ok to drink lots of water if I have mild hydronephrosis?

Is it ok to drink lots of water if I have mild hydronephrosis?

Probably: In general, hydronephrosis is caused by either partial obstruction of the ureter or bladder, by reflux up the ureter from the bladder, or by large urine production.
Excessive fluid intake may exacerbate this condition. It is important to have an evaluation to understand its cause and to determine the best means of observing it for deterioration. 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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What is right hydronephrosis and proximal hydroureter? What causes these?

What is right hydronephrosis and proximal hydroureter? What causes these?

Hydornephrosis: Something is blocking the urine getting from your kidney to your bladder on the right. Kidney stone. REcent surgery? Read more

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My daughter has hydronephrosis. No reflux, no obstruction. What can cause this?

My daughter has hydronephrosis. No reflux, no obstruction. What can cause this?

Nothing serious: Hydronephrosis can be caused by obstruction or reflux but also can be normal or not a serious problem (usually low grade hydronephrosis). Your doctor has ruled out all the worrisome things (reflux or blockage).

Is your daughter potty trained? Young children often hold their urine too long and this can cause mild hydronephrosis. Have her pee every 2 hours and make sure she isn't constipated. Read more

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Can I get some advice for mild hydronephrosis in 2 month male child. What is best treatment?

Can I get some advice for mild hydronephrosis in 2 month male child. What is best treatment?

No treatment: Will likely be required. Hydronephrosis is usually discovered at prenatal obstetric ultrasound. Vast majority do not progress or remain stable ; thus require no treatment. Most mild hydronephrosis cases can be monitored by pediatricians who can order follow-up ultrasounds without need to refer to pediatric urologist. Suggest follow-up ultrasound examination in 6 months if only mild at 2 months. Read more

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My USG shows, 32wks pg. With mild to moderate bilateral hydronephrosis of foetus. Wht is the fate of baby after birth? I am really worried. Wht should I do

My USG shows, 32wks pg. With mild to moderate bilateral hydronephrosis of foetus. Wht is the fate of baby after birth? I am really worried. Wht should I do

Wait: Half of prenatally discovered hydronephrosis will not be present after delivery. The ultrasound should be repeated on the child at that time. The remainder of the children with persistent hydronephrosis may need further workup, but the majority of these problems can be corrected or watched. Read more

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-mild hydronephrosis, right; up to mid-ureter -consider possible partially obstucting lucent ureterolithiasis. What it means?

-mild hydronephrosis, right; up to mid-ureter -consider possible partially obstucting lucent ureterolithiasis. What it means?

Stones: You probably have a stone obstructing your right kidney's urine outflow tract that has caused the tract to become enlarged (hydronephrosis). Lucent just implies that the stone is not visible on xray or ultrasound. A ct scan should still be able to pick it up though. Read more

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Ultrasound showed hydronephrosis after 2 kidney infects 16 months apart. Severe swelling on right, possible mild on left. Antibiotics relieved pain. U/S could not identify blockage. Likely stone, cancer, or something else? CT on Monday. 35 y/o f.

Ultrasound showed hydronephrosis after 2 kidney infects 16 months apart. Severe swelling on right, possible mild on left. Antibiotics relieved pain. U/S could not identify blockage. Likely stone, cancer, or something else? CT on Monday. 35 y/o f.

Multiple possibility: More info would be helpful, like? Blood, how is your urination, etc. If both sides are blocked, that usually means the problem is in the bladder or prostate. Could be swelling of the bladder inlet from residua of the infection, thickening of the trigone from tumor, bladder stones or prostate infection. You need an exam by a urologist for this, but they will want to know the CT results Read more

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My urologist wants me to wait until I pass the stone, its been 3 months and I have "stable" mild hydronephrosis. Is it ok to wait?

Get it removed: If you have had a ureteral stone for 3 months with mild hydronephrosis, it is time to have the stone surgically removed. The recommended procedure will vary depending on where the stone is located in the ureter. If your urologist will not remove the stone, find one who will. You should pass a ureteral stone within a few weeks of diagnosis to prevent potential kidney damage. Read more

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Mild hydronephrosis due to obstructing kidney stone. Kidney shrunk by 0.2cm, is this something I should be worried about? Will it go back to normal?

Mild hydronephrosis due to obstructing kidney stone. Kidney shrunk by 0.2cm, is this something I should be worried about? Will it go back to normal?

Probably not worry: A shrinking of the kidney by 0.2 cm is probable within the technical errors of measurement. I assume you are referring to measurement on ultrasound which has considerable technical variations in measurement. Please see your doctor or a urologist regarding the obstructing stone. Read more

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I was recently diagnosed with mild hydronephrosis by an ultra sound. Scheduled to have avCT Urogram. How accurate was the ultra sound? I tested posit

I was recently diagnosed with mild hydronephrosis by an ultra sound. Scheduled to have avCT Urogram. How accurate was the ultra sound? I tested posit

Mild hydronephrosis: Usually requires no further investigation that follow-up US in 3 - 6 months, unless you have symptoms such as pain or suspected mass. Mild hydronephrosis, if found incidentally, has likely been there all your life & requires no treatment. CT urogram is very expensive & likely unnecessary unless a reputable specialist explains why it is. Many PCPs do not understand grades of hydronephrosis! Read more

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Right mild hydronephrosis due to rght renal pevis calculus. Mild prostatomegaly. Small simple corticalcyst. My grandpas sonography results say dis. Help?

Right mild hydronephrosis due to rght renal pevis calculus. Mild prostatomegaly. Small simple corticalcyst. My grandpas sonography results say dis. Help?

Seperate issues: These are three separate and unrelated issues. Prostatic enlargement is exceedingly common and octogenarians. A simple renal cyst is rarely a problem at any age. The non-painful kidney stone possibly could be addressed with minimally invasive procedures such as eswl. You should consult a urologist about the kidney stone. Read more

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My ultrasound report showed mild left kidney hydronephrosis. Any suggestions?

Usually no problem: Mild hydronephrosis significant if an obstructing stone. In which case u would be in pain & probably have blood cells in urine & should be under a urologist. Most cases of mild hydronephrosis have been there from birth & due to mild temporary partial obstruction to kidney drainage & don't change suggest do nothing but repeat ultrasound in 6 months if no pain or blood in urine. C urologist if pain. Read more

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My usg kub report-moderate hydronephrosis, dilated upper part of uretor, however cause of obstruction couldn't be visualized uuj is clear. Explain?

See urologist...: For the depicted clinical profile, it's reasonable to review and compare the different sets of films from ivp or ct. Ivp to see what has been sequential change so to decide what to do next. If hurting now but with the picture as described in usg..., cystoscopy, retrograde pyelogram (special x-ray) with or without ureteroscopy are needed to verify why.

Best wish. .. Always. Read more

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What is the best treatment for left sided proximal ureteral calculus 1 CM in size with hydronephrosis and mild hydroureter?

What is the best treatment for left sided proximal ureteral calculus 1 CM in size with hydronephrosis and mild hydroureter?

See answer: For a 1 cm proximal ureteral calculus, both ureteroscopy with holmium:yag laser lithotripsy and extracorporeal shock wave lithotripsy (eswl) are acceptable treatment options. The potential advantages of eswl: non-invasive, less morbidity, and lesser anesthesia and analgesic requirement. Disadvantages of eswl: less successful (~70-80%) vs ureteroscopy (~80-90%) and higher retreatment rate. Read more