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CASE REPORT article

Front. Immunol.

Sec. Cancer Immunity and Immunotherapy

This article is part of the Research TopicImmuno-metabolic Approaches for the Treatment of Hepatobiliary and Pancreatic TumorsView all 9 articles

Pembrolizumab combined with surgical treatment for spontaneously ruptured undifferentiated pleomorphic sarcoma of the liver: A case report and literature review

Provisionally accepted
  • Chengdu Second People's Hospital, Chengdu, China

The final, formatted version of the article will be published soon.

Undifferentiated pleomorphic sarcoma of the liver (UPSL) is a rare pathological type characterized by an undefined mechanism, low incidence, high metastatic rate, aggressive behavior, and an inferior prognosis; no standardized treatment protocols or guidelines currently exist. This article reports the case of an 83-year-old male with UPSL confirmed through surgical resection and pathological biopsy. Postoperatively, he received eight cycles of pembrolizumab, which resulted in a favourable clinical efficacy. With advances in medical technology, the integration of surgery and immunotherapy is expected to play an essential role in treating this rare disease and monitoring its prognosis.

Keywords: Pembrolizumab, Surgical treatment (debridement or necrosectomy), Liver sarcoma, Immunotherapy, prognosis

Received: 24 Aug 2025; Accepted: 27 Oct 2025.

Copyright: © 2025 He, Ke and Zou. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Tao He, hetao9208@outlook.com

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