Types of Stomach Cancers

There are 4 types of stomach cancer including adenocarcinoma, lymphoma, Sarcomas (GIST's) and Carcinoid tumors.

All of these occur from cells in the lining which then undergo transformation in to malignant cells.

The most common of these is adenocarcinoma, but rarer malignancies including lymphoma, GIST (Gastrointestinal Stromal tumors) and Carcinoid's can all occur.

I will provide you with summaries of these four growths and links for you to gain more information about them individually.

You can also find information on this page about screening and questions you might want to ask your specialist when diagnosed.

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  • Sarcomas - a cancer of the connective tissues

The 4 Types Of Stomach Cancer

Gastric Adenocarcinoma
GIST Cancer
Leiomyosarcoma
Gastric Carcinoid Tumors

Adenocarcinoma

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This is the most common tumour found in 95% of cases and arise from glandular cells.

The glandular tissue is normally present to provide mucin, a form of lubricant that protects the lining.

Adenocarcinoma tumours are very common to other areas of the gastrointestinal tract too as well as the lungs and breast as these areas all have glandular tissue present.

They can occur as ulcers, polyps and as a condition called linitus plastica where the tumor infiltrates the inner tissues. You can learn more about these malignant tumours by going to the gastric adenocarcinoma page.

Lymphoma

One of the rare types are Gastric Lymphoma’s.  

Gastric lymphoma arises from lymphoid tissue in the stomach which normally help in providing immune support as well as in the removal of waste products from the cells.

The most common of these is a MALTOMA or MALT lymphoma and is associated with a common infection known as Helicobacter pylori or h.pylori.

Sarcomas

Sarcomas are tumours that arise from the soft tissues.

The most common forms are leiomyosarcomas which arise from the smooth muscle layer and GIST cancers (also known as gastrointestinal stromal tumours) which arise from cells that separate muscle cells.

You can read more about these types of stomach cancer by going to the leiomyosarcoma page and GIST page for more details.

Carcinoids

Carcinoid tumors are slow growing, neuroendocrine tumors that are occasionally found.

They develop from the neuroendocrine cells that can be found throughout the gut.

These grow in size and can produce chemical messengers that have various effects on the body.

You can read more about this by going to the gastric carcinoid tumors page.

Krukenberg Malignancies

Krukenberg tumor's occur when your cancer spreads to your ovaries.

They can cause a variety of symptoms and can also be found as an incidental finding.

Should My Family Be Screened?

When given a diagnosis of cancer by your specialist it is important to ask him about anything that concerns you including chances of recurrence once treatment has been given.

For a lot of people that are diagnosed it is not only them, but also about your family and what they can do to reduce their risk of developing this form of tumor and whether there is any screening that they may need (see screening).

I'm sure this is something that you have thought of as well as a multitude of other questions too.

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