ArticleCureus2024
Pneumatosis Intestinalis, Pneumoperitoneum, Pneumoretroperitoneum, Pneumomediastinum, and Pneumobilia After Pembrolizumab Therapy: A Case Report.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 1 citations in OpenAlex.
- Pneumatosis intestinalis revisited: associated imaging findings, clinical correlation, management, risk stratification and future perspectives.Emergency radiology · 2026Review
- Acute liver injury and diffuse subcutaneous pneumatosis following compound paracetamol and amantadine hydrochloride tablets poisoning: a case report.Frontiers in pharmacology · 2025Article
- A Case of Unresectable Advanced Esophageal Cancer with Recurrent Pneumatosis Intestinalis and Portal Venous Gas during Chemotherapy with Immune Checkpoint Inhibitors.Surgical case reports · 2025Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Immune checkpoint inhibitors (ICIs) are becoming increasingly popular in treating cancers resistant to traditional chemotherapy. While ICIs have shown promise in treating cancer, the class of drugs also comes with certain risks, such as the development of pneumatosis intestinalis (PI) in rare cases. Pembrolizumab, an ICI that inhibits programmed cell death protein 1 (PD-1), has, in some rare instances, caused PI. Patients with ICI-induced PI may also present with pneumoperitoneum, pneumoretroperitoneum, pneumomediastinum, and pneumobilia. In the current report, we describe the presentation and management of a 50-year-old female with initial complaints of diffuse abdominal pain, constipation, abdominal distension, nausea, and decreased urine output approximately six months after beginning pembrolizumab and two months after the most recent dose of pembrolizumab. Subsequent CT imaging revealed massive PI with pneumoperitoneum, pneumoretroperitoneum, pneumomediastinum, and pneumobilia suspected to be secondary to pembrolizumab. Here, we discuss the possible mechanisms of ICI-induced PI and evaluate the management of patients presenting with PI and pneumoperitoneum.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.