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MALT (mucosa-assisted lymphoid tissue) lymphoma is a rare form of non-Hodgkin lymphoma. It’s also called extranodal marginal zone lymphoma. It develops in the lining of your belly (gastric MALT), but may also appear in your lungs, skin, thyroid, salivary gland or near your eye (non-gastric MALT).
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue, or MALT lymphoma, is a slow-growing type of non-Hodgkin lymphoma that develops in the lymphoid tissue outside the lymph nodes. MALT lymphoma is the most common form of marginal zone lymphoma, though it’s still rare.
MALT lymphoma (also called MALToma) is a form of lymphoma involving the mucosa-associated lymphoid tissue (MALT), frequently of the stomach, but virtually any mucosal site can be affected. It is a cancer originating from B cells in the marginal zone of the MALT.
MALT lymphoma is a slow growing lymphoma, usually diagnosed in the stomach (gastric MALT). But they can also develop in the lung, thyroid, salivary glands, eye, skin or soft tissues (non gastric MALT).
Gastric MALT lymphomas are strongly associated with Helicobacter pylori infection. This pathogen is the most common infectious agent related to worldwide cancers (5.5% of total cancers) [10].
MALT lymphomas is defined as an 'extranodal lymphoma composed of morphologically heterogenous small B cells, including marginal zone cells, cells resembling monocytoid cells, small lymphocytes, and scattered immunoblasts and centroblast-like cells'.
MALToma, or mucosa-associated lymphoid tissue lymphoma, is characterized by the neoplastic proliferation of B cells in the marginal zone of lymphoid tissue, giving rise to marginal zone B-cell lymphoma. MALToma can manifest in various extranodal sites, including the stomach, gastrointestinal tract, thyroid, salivary gland, lung, and skin.
Mucosa-associated lymphoid tissue (MALT) lymphoma is a type of non-Hodgkin lymphoma that affects certain white blood cells (lymphocytes) found in the moist lining of some bodily organs and cavities.
What is mucosa-associated lymphoid tissue lymphoma (MALT)? MALT is a form of a non-Hodgkin lymphoma called marginal zone lymphoma. MALT lymphoma accounts for approximately 8% of non-Hodgkin lymphoma (NHL) cases, making it the third most common type of NHL.
Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) is the third most common non-Hodgkin lymphoma subtype, accounting for around 6–8% of all non-Hodgkin lymphomas in the Western hemisphere.