U.S. doctors online nowAsk doctors free
A 22-year-old member asked:

might someone have kidney stones, but not have any evidence of them in a urine sample or an ultrasound?

3 doctor answers9 doctors weighed in
Dr. Moez Khorsandi
Urology 27 years experience
Yes: Having kidney stones is detected by radiological means. Tis includes plain films, ultrasound, and ct scans. The gold standard test is the ct scan but it emits a lot of radiation. Ultrasound is also a good study but much more limited. It can certainly miss small stones in the kidney and will miss all stones in the ureter (kidney tube) because ultrasound cannot adequately visualize the ureter.
Dr. Anthony Cusano
Nephrology and Dialysis 40 years experience
Finding kidney stone: Yes. The best way to find small stones is with a high resolution cat scan. They can be easily missed with ultrasound, and often do not cause blood in the urine on a consistent basis.
Dr. Phillip Porch
General Practice 40 years experience
Yes: There is not always blood in the urine with a stone and ultrasound is really not the best imaging study for kidney stones.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
$30 per visit with
membership

Similar questions

A 38-year-old member asked:

How do doctors manage kidney infections in pregnancy?

4 doctor answers7 doctors weighed in
Dr. Caren Reaves
Obstetrics and Gynecology 24 years experience
Antibiotics(Abx): Kidney infections are a serious condition when pregnant. While simple bladder infections can be treated with oral abx as outpatient, kidney infections usually require IV abx and a hospital stay. Daily, preventative abx are then prescribed for the remainder of pregnancy. Call your doctor quickly if symptoms of a bladder infection develop to prevent progression to a kidney infection.
A 40-year-old member asked:

What is the treatment for kidney stones while pregnant?

2 doctor answers3 doctors weighed in
Dr. Caren Reaves
Obstetrics and Gynecology 24 years experience
Usually waiting: If there is no obstruction or infection, most urologists will not treat stones in pregnancy unless the pain becomes unbearable. Even then, they will often just pass a stent (thin tube) up into your kidney to make sure it keeps draining until after delivery. Drinking lots of water and pain meds are the usual course in pregnancy.
A 32-year-old member asked:

Which gives more accurate test results when testing for chlamydia: the urine sample or the cervical swab?

2 doctor answers4 doctors weighed in
Dr. Padmavati Garvey
A Verified Doctoranswered
A US doctor answeredLearn more
Both good: Both are reasonably good tests. The urine sample has the advantage of allowing patients to get checked without subjecting themselves to a pelvic exam which deters some people.
A 21-year-old member asked:

What problems does diabetic kidney disease cause?

2 doctor answers5 doctors weighed in
Dr. Susan Wingo
Endocrinology 33 years experience
LowProtein/HighWaste: Protein loss into the urine can cause low protein levels in the blood, and lead to swelling in the feet and ankles late in the day, and around the face in the morning. High levels of waste products and potassium and low levels of calcium can cause fatigue, weakness, heart problems, bone problems, and sudden death. Dialysis is needed to correct these imbalances.
A 21-year-old member asked:

What are the signs of diabetic kidney disease?

2 doctor answers8 doctors weighed in
Dr. Damien Luviano
Ophthalmology 18 years experience
None: Diabetes can hurt the kidneys and not be detectable on urine or blood test. In fact, studies have been done on diabetes patients who have normal kidney test, yet biopsies of these patients show damage. Diabetic retinopathy correlates with diabetic nephropathy. Studies have shown ace inhibitors to be protective of kidneys on both normotensive and hypertensive patients.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
$30 per visit with
membership
Last updated Oct 3, 2016

People also asked

Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
$30 per visit with
membership

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.