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‹ Tue · 9 Jun 2026
CBC-derived SII as low-cost prognostic marker in mycosis fungoides

Systemic Immune-Inflammation Index as a Prognostic Marker in Mycosis Fungoides.

A simple blood count calculation accurately distinguishes early from advanced mycosis fungoides, offering affordable disease staging for this rare cancer.

In 126 mycosis fungoides patients, the systemic immune-inflammation index (SII) demonstrated high diagnostic accuracy for distinguishing early from advanced disease stages (AUC 0.891), outperforming NLR and LMR. As an easily calculated CBC-derived marker, SII could provide cost-effective prognostic stratification for this rare cutaneous T-cell lymphoma.

What the study was

Study design
Retrospective cohort study
Population
Patients with mycosis fungoides at a tertiary center (n=126)
Sample size
126
Category
Diagnostics
Maturity
Exploratory
Journal
Annals of Clinical and Laboratory Science

Why it surfaced

Retrospective validation of SII as prognostic tool in mycosis fungoides (n=126). Relevant to both hematologic malignancy and CBC-based diagnostics topics. The CBC-derivability and high AUC make it near-term implementable. Score limited by single-center retrospective design and small n.

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