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Radioembolisation using yttrium 90 (Y-90) in patients affected by unresectable hepatic metastases

Radioembolizzazione mediante ittrio 90 (Y-90) in pazienti con metastasi epatiche inoperabili

  • Vascular and Interventional Radiology/Radiologia Vascolare ed Interventistica
  • Published:
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Abstract

Purpose

This study was done to evaluate the effectiveness of radioembolisation of liver metastases with yttrium 90 (Y-90) in patients with no response to chemotherapy.

Materials and methods

From February 2005 to January 2008, we treated 110 patients affected by liver metastatic disease from colorectal, breast, gastric, pancreatic, pulmonary, oesophageal and pharyngeal cancers and from cholangiocarcinoma and melanoma. We excluded patients with bilirubin level >1.8 mg/dl and pulmonary shunt >20% but not patients with minor extrahepatic metastases.

Results

We obtained a complete /partial response in 45 patients, stable disease in 42 patients and progressive disease in 23 patients. In 90 cases, we obtained a decrease in specific tumour marker level. The technical success rate was 96%, and technical effectiveness estimated at 3 months after treatment was 83.6%. Side effects were grade 4 hepatic failure in one case, grade 2 gastritis in six cases and grade 2 cholecystitis in two cases. The median survival and progression-free survival calculated by Kaplan-Meier analysis were 323 days and 245 days, respectively.

Conclusions

According to our 3-year experience, Y-90 radioembolisation (SIR-spheres) is a feasible and safe method to treat liver metastases with an acceptable level of complications and a good response rate.

Riassunto

Obiettivo

Lo scopo del nostro lavoro è stato valutare l’efficacia della radioembolizzazione con ittrio 90 (Y-90) delle metastasi epatiche in pazienti non responsivi alla chemioterapia.

Materiali e metodi

Da febbraio 2005 a gennaio 2008, sono stati trattati 110 pazienti affetti da malattia metastatica del fegato determinata da differenti tipi di tumore primitivo (colorettale, mammario, gastrico, pancreatico, polmonare, esofageo, faringeo, melanoma e colangiocarcinoma). Tutti i pazienti mostravano una progressione di malattia. Sono stati esclusi i pazienti con livelli di bilirubina superiori a 1,8 mg/dl e con shunt epato-polmonare >20%, ma non pazienti con localizzazioni metastatiche extraepatiche.

Risultati

La risposta è stata valutata come completa/parziale in 45 pazienti, come malattia stabile in 42 pazienti e come malattia in progressione in 23 pazienti. In 90 casi, è stato ottenuto un decremento dei livelli sierici dei markers tumorali specifici. La percentuale di successo tecnico è stata del 96% e l’efficacia tecnica stimata a 3 mesi dal trattamento dell’83,6%. Le complicanze sono rappresentate da 1 caso di insufficienza epatica di grado 4, da 6 casi di gastrite di grado 2 e da 3 casi di colecistite di grado 2. La sopravvivenza media e quella libera da malattia calcolate mediante l’analisi di Kaplan-Meier sono state rispettivamente di 323 giorni e 245 giorni.

Conclusioni

Sulla base della nostra esperienza di tre anni la radioembolizzazione con Y-90 rappresenta una metodica sicura ed efficace nel trattamento delle metastasi epatiche con un accettabile livello di complicanze ed una buona percentuale di risposta.

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Cianni, R., Urigo, C., Notarianni, E. et al. Radioembolisation using yttrium 90 (Y-90) in patients affected by unresectable hepatic metastases. Radiol med 115, 619–633 (2010). https://doi.org/10.1007/s11547-010-0496-1

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  • DOI: https://doi.org/10.1007/s11547-010-0496-1

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