Direct Measurement Method for ⁹⁰Y Activity in Urine

Yan Ma; Lina Ma; Hui Zhang

doi:10.1039/d6ay00642f

January 1, 2026Analytical Methods

Direct Measurement Method for ⁹⁰Y Activity in Urine

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Key Points

To accurately measure the activity of 90Y in urine during radioembolization treatment for hepatocellular carcinoma.
Developed a direct measurement method for assessing 90Y activity in urine.
Conducted measurements during radioembolization treatment for patients with unresectable hepatocellular carcinoma.
Evaluated the excretion of 90Y and its potential impact on treatment monitoring.
Detected measurable 90Y activity in urine samples, indicating its excretion during treatment.
Findings suggest that monitoring urine 90Y levels can provide insights into treatment effectiveness.

Implication

Evaluates urine excretion of 90Y in unresectable hepatocellular carcinoma, suggesting implications for therapy monitoring.

Abstract

90 Y radioembolization is an effective therapeutic method for unresectable hepatocellular carcinoma. A small amount of 90 Y may detach from microspheres and be excreted in urine during treatment, and the accurate...

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Cite This Study

Ma et al. (2026) studied this question.

synapsesocial.com/papers/6a34dcea65a5b0777af2cdb2 https://doi.org/10.1039/d6ay00642f

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Direct Measurement Method for ⁹⁰Y Activity in Urine

Key Points

Implication

Abstract

Discussion

Cite This Study

Direct Measurement Method for ⁹⁰Y Activity in Urine

Key Points

Implication

Abstract

Discussion

Cite This Study

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