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Is Medullary Carcinoma Of The Colon Heriditary?

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Posted on Sat, 4 Jan 2014
Question: Hello - my mother was diagnosed with Medullary carcinoma of the colon. Her doctor said it wasn't hereditary, but I am reading online that it is often MSi-H, which means it could be, correct? She was 66 when was diagnosed. I am wondering if I need to be tested?
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Answered by Dr. K. Harish (8 days later)
Brief Answer: you could get tested Detailed Answer: Medullary carcinoma of colon is a rare variety (less than 1%). The outcome is generally better than other varieties. It could be part of hereditary non polyposis colon cancer with microstaellite instability. There would be some element of heredity in colon cancers. You need not be over anxious. But you can get tested by various means. common screening test includes stool for occult blood. You could also get a colonoscopy done. You doctor would be best to advice you in this regard.
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Above answer was peer-reviewed by : Dr. Shanthi.E
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Dr. K. Harish

Oncologist, Surgical

Practicing since :1986

Answered : 59 Questions

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Is Medullary Carcinoma Of The Colon Heriditary?

Brief Answer: you could get tested Detailed Answer: Medullary carcinoma of colon is a rare variety (less than 1%). The outcome is generally better than other varieties. It could be part of hereditary non polyposis colon cancer with microstaellite instability. There would be some element of heredity in colon cancers. You need not be over anxious. But you can get tested by various means. common screening test includes stool for occult blood. You could also get a colonoscopy done. You doctor would be best to advice you in this regard.