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Haematology Oncology

MALT Lymphoma International Prognostic Index (MALT-IPI)

Predicts progression-free and overall survival in extranodal marginal zone lymphoma (MALT lymphoma).

Score interpretation

Low Risk 0

MALT-IPI 0: 5-year PFS ~70%, OS ~97%.

→ Low-risk MALT lymphoma. Standard treatment (watch/wait, RT, or rituximab as appropriate).

Intermediate Risk 1

MALT-IPI 1: 5-year PFS ~56%, OS ~84%.

→ Intermediate risk. Systemic therapy (rituximab ± chemotherapy) usually indicated.

High Risk 2–3

MALT-IPI 2–3: 5-year PFS ~29%, OS ~76%.

→ High risk. Systemic combination therapy. Consider clinical trial. Close surveillance.

Interpretation bands for the MALT-IPI. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.