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Pugliese N, Giuli L, Mastrorocco E, Santopaolo F, Marcozzi G, Bezzio C, Dal Buono A, Gabbiadini R, Gasbarrini A, Ponziani FR, Armuzzi A, Aghemo A. Exploring the link: Porto-sinusoidal vascular disorder and inflammatory bowel disease - A comprehensive narrative review. Dig Liver Dis 2024; 56:964-970. [PMID: 38044225 DOI: 10.1016/j.dld.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 12/05/2023]
Abstract
Porto-sinusoidal vascular disorder (PSVD) encompasses a group of vascular disorders characterized by lesions involving the portal venules and sinusoids, independent of the presence of portal hypertension (PH), and for which liver biopsy is essential for diagnosis. PSVD has been shown to be common in patients with immune-mediated diseases, including inflammatory bowel disease (IBD). The association between PSVD and the use of thiopurines and thioguanine in patients with IBD has been well established. In addition, research suggests an association between PSVD and IBD, even in cases where patients haven't been exposed to specific medications, probably related to changes in intestinal permeability. The identification and management of patients with known IBD and PSVD is a challenge for gastroenterologists. This narrative review aims to summarize the currently available data on the association between IBD and PSVD and provide practical suggestions for the management of this group of patients.
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Affiliation(s)
- Nicola Pugliese
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; Division of Internal Medicine and Hepatology, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy
| | - Lucia Giuli
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome 00168, Italy
| | | | - Francesco Santopaolo
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome 00168, Italy
| | - Giacomo Marcozzi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy
| | - Cristina Bezzio
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; IBD Center, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy
| | - Arianna Dal Buono
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; IBD Center, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy
| | - Roberto Gabbiadini
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; IBD Center, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy
| | - Antonio Gasbarrini
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome 00168, Italy; Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome 00168, Italy
| | - Francesca Romana Ponziani
- Hepatology Unit, CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome 00168, Italy; Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome 00168, Italy
| | - Alessandro Armuzzi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; IBD Center, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy
| | - Alessio Aghemo
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy; Division of Internal Medicine and Hepatology, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (MI), Italy.
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Abstract
PURPOSE OF REVIEW This review focuses on recent developments of histopathology in the most common biliary disorders affecting adults. The reader is referred to other sources for the specialized topics on paediatric populations and post liver transplantation. RECENT FINDINGS Fibrosis stage at diagnosis is an independent predictor of liver transplant-free survival in patients with primary biliary cholangitis. Immunohistochemistry might have an important role in predicting response to treatment. New histological scoring systems with excellent correlation with long-term clinical outcomes are being developed in primary sclerosing cholangitis (PSC). Quantification of fibrosis with collagen proportionate area can improve risk stratification and could be particularly useful to assess treatment response in PSC.Gene sequencing on cytology and intrabiliary biopsy may improve risk stratification for cholangiocarcinoma. Genetic variants of ATP8B1, ABCB11 and ABCB4 are relatively common in adults with cholestatic liver disease. New causes of cholestatic liver injury have recently been described. SUMMARY Histology is often not necessary for the diagnosis of biliary disease, but can provide important information that may assist the clinician in patients' management. Histopathology remains crucial to confirm a diagnosis of cholangiocarcinoma, and to identify the pattern of biliary injury in immune-mediated cholangiopathies and rarer pathological entities.
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Affiliation(s)
- Francesca Saffioti
- Oxford University Hospitals NHS Foundation Trust, Oxford.,UCL Institute for Liver and Digestive Health, Royal Free Hospital and UCL, London
| | - Rodrigo Vieira Motta
- Nuffield Department of Medicine, Investigative Medicine, University of Oxford, Oxford
| | - Alberto Quaglia
- Royal Free London NHS Foundation Trust and UCL Cancer Institute, London, UK
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