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Doctor insights on: When Would I Need A Transabdominal And A Transvaginal Ultrasound Scan

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When would I need a transabdominal and a transvaginal ultrasound scan?

When would I need a transabdominal and a transvaginal ultrasound scan?

Most of the time: In my practice i routinely use both transabdominal and transvaginal ultrasound when examining the adult female pelvis. These two techniques are complimentary. The transvaginal exam can often give us information not available on the transabdominal exam. ...Read more

Dr. Michael Gabor
2,270 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Would an ultrasound of the uterus and a transvaginal ultrasound see a fetus without doing a stomach ultrasound? Just curious

Would an ultrasound of the uterus and a transvaginal ultrasound see a fetus without doing a stomach ultrasound? Just curious

Ultrasound: A fetus would be seen by a pelvic ultrasound and transvaginal ultrasound. If the uterus, tubes and ovaries are evaluated there is no need to look at the stomach which is located just below the ribs on the left side of the upper abdominal cavity. ...Read more

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For cvs will I be having a transabdominal ultrasound or transvaginal?

For cvs will I be having a transabdominal ultrasound or transvaginal?

Transabdominal: Most cvs procedure are performed through the cervix and vagina, and the ultrasound done to guide the doctor is done transabdominally. ...Read more

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For what reasons might a doctor order an abdominal ultrasound after seeing a transvaginal ultrasound?

Guesses: I could guess many things, such as partial visualization of a structure, vascular engorgement (pelvic congestion) that may be caused by compression of proximal vessels, or a negative pelvic ultrasound that was done for symptoms that can be caused by abdominal structures. But it would be best answered by the ordering physician. ...Read more

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When should I get a CT scan vs. Ultrasound? I had an ultrasound done and the doctor said it showed a pancreatic head mass. However, a CT scan was done by another doctor and he said it showed nothing. So i had another ultrasound done and the doctor said

When should I get a CT scan vs. Ultrasound? I had an ultrasound done and the doctor said it showed a pancreatic head mass.  However, a CT scan was done by another doctor and he said it showed nothing.  So i had another ultrasound done and the doctor said

A : A ct scan of the abdomen and pelvis with intravenous contrast is generally the best way to evaluate the pancreas. It would be unusual for an ultrasound to detect a pancreatic mass that cannot be seen on ct. Generally, i would trust the ct scan over the ultrasound findings, but it sounds like your pancreas has a very unusual appearance on ultrasound. Someone needs to take the ct scan images to the radiologist who evaluated the ultrasound studies and have him/her compare both studies and explain why the mass is not seen on the ct images. It is extremely important that radiologists have comparison studies available to them so that the most accurate diagnosis is achieved. ...Read more

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Would it be weird if I passed up a CT scan and requested a sonogram instead to check for kidney stones?

Would it be weird if I passed up a CT scan and requested a sonogram instead to check for kidney stones?

Not necessarily...: Ct is the most sensitive test to look for kidney stones. Very small stones or stones outside the kidney (i.e., in the ureters or pelvis) can be missed by ultrasound. If worried about radiation, there is a low dose protocol for ct that can be used to look for stones. The amount of radiation exposure for low dose ct is about the same as a plain x-ray. Ask the imaging center if they perform this. ...Read more

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When does someone need a transvaginal ultrasound?

When does someone need a transvaginal ultrasound?

Part of complete u/s: Routine female pelvic ultrasound has two portions to the exam. The exam starts with a full bladder and scanning with a fan shaped ultrasound (u/s) probe over the lower abdomen and pubic area. Then the pt is asked to empty her bladder and then a thin long u/s probe is inserted into the vagina for additional pictures. This portion is important and significantly improves parts of the evaluation. ...Read more

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I just had a mammogram and ultrasound. Why would the doctors want to do an ultrasound on me?

I just had a mammogram and ultrasound. Why would the doctors want to do an ultrasound on me?

Different view: An ultrasound is commonly added to mammogram in women with young, dense breast tissue. The ultrasound can give a different view of the breast tissue. It can determine if a solid mass or cyst is present. The radiologist usually comes in to speak with you during the exam and answers questions. ...Read more

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Why would my doctor order an abdominal ultrasound instead of pelvic one if 36 weeks pregnant?

Why would my doctor order an abdominal ultrasound instead of pelvic one if 36 weeks pregnant?

Better visualization: At 36 weeks pregnant, it is very difficult to see any of the anatomy of the baby or of your uterus through a pelvic ultrasound. The baby and the uterus is predominantly in the abdominal area. ...Read more

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Hi I had a pelvic ultrasound done, it wasn't a transvaginal, it was a normal pelvic ultrasound. If I was 9 weeks preg, would they be able to see it?

Hi I had a pelvic ultrasound done, it wasn't a transvaginal, it was a normal pelvic ultrasound. If I was 9 weeks preg, would they be able to see it?

Ambivalent: At 9 weeks gestation by last menstrual period a transabdominal ultrasound should pick up the pregnancy. If it doesn't, it should be followed immediately by a transvaginal ultrasound. The rationale for first trimester ultrasound is to determine, whether there is one or more embryo's, whether there is a heart beat or not, and whether the pregnancy is in the uterus or outside. ...Read more

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I took a pelvic ultrasound and also a transvaginal ultrasound they both picked up a right adnexal cyst and i missed my period could the be a pregnancy?

I took a pelvic ultrasound and also a transvaginal ultrasound they both picked up a right adnexal cyst and i missed my period could the be a pregnancy?

Cyst: Take a pregnancy test to determine if you are pregnant. If so, you would have what is called a corpus luteum cyst, and this nourishes the pregnancy until your placenta develops. If negative, it may be a simple ovarian cyst that will resolve on its own without any problems. ...Read more

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Does a pelvic ultrasound have to be transvaginal to show a 13 weeks pregnancy? Or can it be a normal pelvic ultrasound

Does a pelvic ultrasound have to be transvaginal to show a 13 weeks pregnancy? Or can it be a normal pelvic ultrasound

Depends: If your uterus is tilted backwards and your doctor wishes to do a detailed anatomy look specially at the nuchal translucency area, than a transvaginal ultrasound will give more details. If it is just to check heart beat or placenta or just of remeasuring growth than a normal pelvic ultrasound should suffice. Discuss with your doctor. Good Luck and have an easy pregnancy and childbirth. ...Read more

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I had a complete pelvic ultrasound yesterday... The tech asked me if I had a tampon in. I didn't. What would look like a tampon on an ultrasound?

I had a complete pelvic ultrasound yesterday... The tech asked me if I had a tampon in. I didn't. What would look like a tampon on an ultrasound?

Was it: transvaginal or transabdominal ? If the former, possibly some difficulty inserting the probe. If the latter, possibly air in the vagina. Or, it could simply be a standard question. ...Read more

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Would an ultrasound and a transvaginal ultrasound still miss signs of ovarian cancer?

Would an ultrasound and a transvaginal ultrasound still miss signs of ovarian cancer?

Yes: Almost all test and imaging studies have false positive and false negative results. Early ovarian cancer is particularly difficult to detect as the normal ovary often has cystic changes and varies in size during the reproductive period. Having said that, transvaginal ultrasound is a useful and perhaps the best test for detecting ovarian cancer. ...Read more

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If an abdominal & pelvic Ultrasound did not detect a hernia, should I have a CT scan? (Physical exam was clear) ..I still have "hernia like" symptoms

Where?: Can your doctor feel it? That is still diagnostic for many umbilical, inguinal, incisional or femoral hernias, independent of any imaging?? Hiatal hernias are identified by esophagoscope, CT scan commonly. ...Read more

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How early can you see a fetal heartbeat on a transabdominal ultrasound?

6-7 weeks from LMP: Transvaginal ultrasound can detect fetal heartbeat earlier than transabdominal ultrasound (5-6 weeks after lmp). Transabdominal ultrasound varies a bit more primarily due to differences in maternal size. In general, the fetal heartbeat should be visible transabdominally by 7 weeks from the first day of the last menstrual period. ...Read more

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Dr. Michael Gabor
228 doctors shared insights

Transvaginal Ultrasound (Definition)

An ultrasound is an imaging study in which a probe emits and receives sound waves which rebound off of internal organs in order to visualize them. For a transvaginal ultrasound a specially designed probe is lubricated and placed into the vagina in order to better ...Read more