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Start free with EleplanMALT lymphoma
ORPHA:52417Disease
Also called Extranodal marginal zone B-cell lymphoma · MALToma · Mucosa-associated lymphatic tissue lymphoma · Mucosa-associated lymphoid tissue lymphoma
What it is
MALT (mucosa-associated lymphoid tissue) lymphoma is a rare form of malignant non-Hodgkin lymphoma that affects B cells and grows at the expense of lymphoid tissue associated with mucous membranes, but also occurs, more rarely, in lymph nodes.
Key facts
- Prevalence
- 1-9 / 100 000 (Europe)
- Age of onset
- Adult
- Inheritance
- Multigenic/multifactorial, Not applicable
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Very common80–99%
8These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
Genes
ICD-10 codes
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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