ArticleFrontiers in immunology2025
Tumor marker pseudoprogression and immune-related cholangitis during conversion therapy for massive hepatocellular carcinoma: a case report.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- IgG4-sclerosing cholangitis masquerading as cholangiocarcinoma: a case report of an unresolved preoperative diagnosis.Frontiers in immunology · 2026Article
- Local therapy overcomes primary resistance to target-immunotherapy combination in unresectable hepatocellular carcinoma.Cancer immunology, immunotherapy : CII · 2025Article
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9 authors.
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Abstract
Cases with massive (diameter ≥10 cm) hepatocellular carcinomas (HCCs) are uncommon and typically have poor outcomes; however, conversion therapy offers a beacon of hope for remission in patients with massive unresectable HCCs. Recently, immune checkpoint inhibitors (ICIs) have been used in combination with other treatment modalities to improve the response rates to conversion therapies, yet the safety and generalizability of this combination have not been extensively validated. Herein, we report a man with a chief complaint of abdominal pain who was diagnosed with massive unresectable HCC. Notably, the patient successfully underwent curative surgery after quadruple conversion therapy using tislelizumab (an ICI), lenvatinib, transarterial chemoembolization, and hepatic arterial infusion chemotherapy directed by a multidisciplinary team. With a complete response achieved, this case demonstrated the major potential of this combination regimen for HCC, and the remarkable efficacy was also reflected by substantial reductions in both alpha-fetoprotein and des-gamma-carboxy prothrombin overall. Nevertheless, transient increases in both biomarkers (tumor marker pseudoprogression) were observed within the first three weeks after initiating ICI treatment. Furthermore, the patient developed a biliary stricture, which resolved after discontinuing the ICI and was ultimately assessed as an immune-related adverse event. Therefore, in the context of combination therapy, further evaluation of the robustness of tumor markers is warranted, and it is crucial for clinicians to be mindful of potential immune-related adverse events.
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