A member asked:

Signet rng cell adenoc. tumor in stomach blcking of pyloric canal remvd. lymph nodes of immediate neg to de minimis for cancer. prtn neg. slight breach of tumor to colon. what test to see if spread?

3 doctors weighed in across 2 answers
Dr. Sewa Legha answered

Specializes in Medical Oncology

Generally a ct scan of the abdomen is good to monitor the abdomen, which is where most recurrences of this tumor occur. Pet scan is another alternative and it can check the whole body all in one test. Once can alternate between ct and pet ct studies once every 3 months.

Answered Nov 26, 2013

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Dr. Brian Wosnitzer answered

Specializes in Nuclear Medicine

Pet/ct scan is often used to stage cancers however it is important to note that signet ring cell adenocarcinoma of the stomach is often not FDG avid and has been known to cause false negative results on pet.

Answered Jun 25, 2014

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