Re: fetal echogenic bowel
From: Marveen Craig (Cramar25@earthlink.net)
Thu Aug 5 13:37:40 2004
Thanks for the clarification, Allen.
From a physics perspective, I found it hard to
understand. I didn't know clinically, that it is
an accepted fact.
Marveen
--
========================
Allen Worrall wrote:
> Abnormally echogenic bowel should be as echogenic as nearby bone
> before you call it echogenic.
>
> Allen
>
>> ----- Original Message -----
> From: Marveen Craig <mailto:Cramar25@earthlink.net>
> To: Multiple recipients of list ULTRASOUND
> <mailto:ultrasound@dns.obgyn.net>
> Sent: Wednesday, August 04, 2004 5:31 PM
> Subject: fetal echogenic bowel
>
> I've always used variable gain studies to distinguish soft tissue
> from bone or similar densities.
>
> However, the last line of your statement (if I'm interpreting it
> correctly) implies that fetal bowel
> is as echogenic (dense and reflective) as bone. Was that your
> intent?
>
> Marveen Craig
> Tucson, Arizona, USA
> ====================================
>
> Dave Berck wrote:
>
>>I agree.
>>I also think that echogenic bowel is often diagnosed
>>when it is really not there. I have found the best way
>>is to use a 5MHz transducer and turn down the gain. If
>>the bowel disappears before the bone does, it's not
>>echogenic bowel.
>>
>>--- Allen Worrall <jworrall@alaska.net> wrote:
>>
>>>Was the echogenic bowel found on a transvaginal scan
>>>using a high frequency
>>>transducer? High frequency transducers will make
>>>bowel look echogenic.
>>>
>>>If the fetus swallowed blood, I think that can cause
>>>echogenic bowel.
>>>
>>>The SCREENING tests for Down have indicated low
>>>RISK. No DIAGNOSTIC tests
>>>have been done, so you do not know for certain that
>>>the fetus does not have
>>>Down.
>>>
>>>I think many of the experts (some I hope will
>>>respond your message) would
>>>agree with the patient's decision not to have an
>>>invasive test: I think many
>>>would feel that isolated echogenic bowel is not an
>>>indication for
>>>amniocentesis.
>>>
>>>Allen
>>>
>>>Joseph A Worrall MD RDMS
>>>OB/GYN Ultrasound at the Fairbanks Clinic
>>>Fairbanks, AK 99701
>>>http://www.obgynsono.com
>>>>----- Original Message -----
>>>From: "Yiannis Nickolidakis"<nickolidakis@geneticsunit.gr>
>>>To: "Multiple recipients of list ULTRASOUND"
>>><ultrasound@dns.obgyn.net>
>>>Sent: Wednesday, August 04, 2004 6:33 AM
>>>Subject: fetal echogenic bowel
>>>
>>>>An ultrasound scan during 18th week of a 29 years
>>>>
>>>old healthy
>>>
>>>>primigravida revealed certain fetal echogenic
>>>>
>>>bowel.
>>>
>>>>No other abnormalities were seen.
>>>>She had no vaginal bleeding since now.
>>>>Nuchal translucency on 12th week was <2mm.
>>>>Triplo test shows 1:10.000 risk for Down syndrome.
>>>>Serologic tests for congenital infections are
>>>>
>>>negative.
>>>
>>>>The pregnant is not carrier of a known mutation of
>>>>
>>>cystic fibrosis gene.
>>>
>>>>She is not positive to do an amniocentesis for
>>>>
>>>fetal karyotyping.
>>>
>>>>If this embryo has no Down syndrome, not cystic
>>>>
>>>fibrosis, not congenital
>>>
>>>>infection, what else could it has?
>>>> Dr.
>>>>
>>>Yiannis Nickolidakis
>>>
>>>>
>>> Greece
>>>
>>>>http://www.medpages.obgyn.net/geneticsunit.gr
>>>>
>>>
>>
>>=====
>>David J. Berck, MD, MPH
>>
>
