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Can MRI Be Done For Assessment Of Lymph Nodes In Groin Area?

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Posted on Thu, 26 Jun 2014
Question: Hi,

My doctor wants me to get a ct scan of my abdomen because the ultrasound showed that the lymph node in my groin area is slightly swollen. I have had pain and discomfort which I thought was my bladder area for over a month. All urine tests show no bacterial cultures.

They suspect some kind of infection. I do not want a ct scan because of the radiation.

Can they get the information they need from an MRI? I am requesting that they do the MRI instead.

Thank you.
doctor
Answered by Dr. Indu Kumar (1 hour later)
Brief Answer:
CT scan is ideal for initial lymph node assessment

Detailed Answer:
Hello XXXXXXX
Thanks for writing to HCM

I agree with your doctor.Contrast CT scan(Abdomen) is ideal for assessment of lymph nodes in initial stage.
In CT scan,we can evaluate entire abdomino-pelvic lymph node system where as MRI can miss small lymph nodes.MRI has limitations in detecting small lymph nodes due to partial volume averaging(It is a technical limitation).

Don't worry about radiation dose.Total CT dose in CT scan of abdomen is far below than the hazardous limit.Now a days,Multislice sprial CT scan machines are available which give very less radiation dose to the patients.

Get well soon.
Hope I have answered your question.
Further queries are most welcome.

Take Care
Dr.Indu XXXXXXX
Note: Revert back with your health reports to get further guidance on your gastric problems. Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Indu Kumar

Radiologist

Practicing since :2004

Answered : 6728 Questions

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Can MRI Be Done For Assessment Of Lymph Nodes In Groin Area?

Brief Answer: CT scan is ideal for initial lymph node assessment Detailed Answer: Hello XXXXXXX Thanks for writing to HCM I agree with your doctor.Contrast CT scan(Abdomen) is ideal for assessment of lymph nodes in initial stage. In CT scan,we can evaluate entire abdomino-pelvic lymph node system where as MRI can miss small lymph nodes.MRI has limitations in detecting small lymph nodes due to partial volume averaging(It is a technical limitation). Don't worry about radiation dose.Total CT dose in CT scan of abdomen is far below than the hazardous limit.Now a days,Multislice sprial CT scan machines are available which give very less radiation dose to the patients. Get well soon. Hope I have answered your question. Further queries are most welcome. Take Care Dr.Indu XXXXXXX