Welcome to brand new Ask the Fish. Post your questions in different boards to get in touch with CTisus team & Dr. Elliot K. Fishman!
Our old Ask the Fish forum can be still viewed as an archive at https://ctisus.com/redesign-askfish/index.html.
We encourage all the users to register in this new forum to get answers to their questions since the posts in old forum will no longer be reviewed!
Thank you for visiting & looking forward to your feedback!

Recent Posts

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CT Scan Protocols / Sinus protocols
« Last post by Crodgers04 on August 25, 2020, 10:29:23 pm »
Does any hospitals still scan patients prone for sinus?
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Hello Dr Fishman,

I hope you are well. We have an oncology patient attending regularly for CT. He is getting quite anxious as he has started vomitting quite quickly after IV contrast administration. Following consultation with his oncologist we tried 1mg Lorazepam and 1mg Granisetron orally i1 hour before his scan, he was still sick. On his next visit we plan to try a different contrast agent to see if that helps. Do you have any pearls of wisdom?

Best wishes

Liz
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CT Scan Protocols / field of view influence on ct number
« Last post by Ian on April 20, 2020, 04:57:15 pm »
I wanted to do a small/medium field of view CT angio of the suprahilar mediastinum, neck and brain.
I was told by a GE applications person that I should use a LARGE field of view, which was big enough to include the shoulders.
She said this was because with a small field of view the density standardising peripheral detectors (64 slice) would not be scanning air if a small field of view was used.

This was illogical to me - I was after spatial resolution for 3D reconstructions, rather than measuring densities.

What is the correct method? - for CT angios and for CT neck?


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Mark your calendars!  We're going to Nashville.  May 29-31, 2020

The rapid evolution of multidetector CT (MDCT) has impacted all aspects of patient diagnosis from cardiac imaging to vascular imaging to hepatic imaging. The development of these new scanners requires a close look at all aspects of our CT programs ranging from our scan protocols, to contrast injection to the use of oral contrast. The new clinical applications require a better understanding of our scanners as the “room for error” has decreased with scanners routinely acquiring datasets in under 10 seconds. New applications have evolved from coronary CTA to virtual colonoscopy to dual energy imaging, to name a few. Classic applications like imaging the liver, kidneys or pancreas have changed with the role of multi-phase acquisition and post processing techniques becoming more critical. This has been both a time of change and a time of excitement. This meeting will provide the attendee with an improved understanding of the role of MDCT today and will help them improve their practice skills and knowledge base. Whether it is designing new scan protocols or learning new skill sets, this meeting will be a catalyst for increasing your core competencies through a series of lectures and hands-on training over a three-day period.

More info and registration: https://hopkinscme.cloud-cme.com/default.aspx?P=0&EID=24154&fbclid=IwAR227InlwqPO90jdYSaWVZXWPpO5ppt9G_b_riw9bLQqELDu54lonGHjJYo
FB event: https://facebook.com/events/727879564314706/
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CME / ORLANDO, FL: 36th Annual Computed Body Tomography 2020
« Last post by Ask the Fish Support on January 10, 2020, 10:37:12 am »
Save the date!  We're going back to Orlando.  February 14-16

Due to rapid advances in technology, radiologists and radiologic technologists often require a comprehensive review of recent advances in computed body tomography. This activity will focus on multidetector/multislice CT and newer systems including dual-source CT scanners. The schedule offers a series of 40-minute lectures designed to concentrate on specific topics in-depth, including state-of-the-art technology and software. Participants will have the opportunity to expand their knowledge of the latest concepts and principles of helical CT, thoracic CT, cardiac CT and CTA, the uses of CT in the GI tract, the liver, spleen and kidneys, as well as virtual colonoscopy and imaging the oncologic patient.

More info and registration: https://hopkinscme.cloud-cme.com/default.aspx?P=5&EID=21055&fbclid=IwAR18s7dwlM6kU2mmHlrrNu-9B4W6GOKOVqLfojoR1EbZScSRIS4dj7KQ7N8
FB Event: https://facebook.com/events/397026147790974/
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CT Scan Protocols / Protocols references on the ctisus.com page
« Last post by ctlisa on September 26, 2019, 04:10:16 am »
Hello Dr. Fishman! On your ctisus.com page, which protocols would you use as a cross reference when you have a GE Revolution Evo, 128 slice scanner? Thanks in advance!
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Lectures & Quizzes / January 2019 Quiz
« Last post by BeJimmiediony on September 23, 2019, 01:16:36 pm »
And as it to understand
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CT Scan Protocols / Oral Contrast for CT 2 Questions
« Last post by BeJimmiediony on September 04, 2019, 03:38:22 pm »
I teach adults in a college in Brazil. The most difficult for me its to make them to participate in an oral class. Do have a tip about how can I do to have an effective oral class for absolute beginners? What kind of material would you sugeest?

Luciana
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CT Scan Protocols / Arterial delay for hepatocellular carcinoma
« Last post by tbell on August 22, 2019, 02:58:22 pm »
Please advise on a siemens 64 slice dual source definition what arterial delay you should use for Hepatocellular carcinoma.

If we bolus track where would you set the roi and what should the HU units be set at?

Also, what delay after the tracker triggers should we use?
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CT Scan Protocols / Re: Oral Contrast for CT: 2 Questions
« Last post by CharPatton on August 05, 2019, 04:41:33 pm »
 :) :) :)
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