{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T11:23:14Z","timestamp":1787829794718,"version":"build-2784847793"},"reference-count":55,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T00:00:00Z","timestamp":1787788800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Background: The therapeutic paradigm of Crohn\u2019s disease (CD) has progressively evolved from symptom control toward objective treatment targets aimed at modifying disease course. Although endoscopic mucosal healing (MH) is currently regarded as a major treatment goal, it may inadequately reflect residual inflammation in a condition characterized by transmural bowel involvement. Consequently, transmural healing (TH), assessed through cross-sectional imaging modalities, has emerged as a potential marker of deeper disease control. Methods: A comprehensive literature review was conducted to identify studies evaluating the definition, assessment, prognostic significance, and achievability of TH in CD. Original studies, randomized controlled trials, systematic reviews, consensus statements, and international guidelines were included. Results: Accumulating evidence indicates that TH is associated with superior long-term outcomes compared with MH alone, including lower risks of hospitalization, surgery, treatment escalation, disease relapse, and bowel damage progression. However, substantial heterogeneity persists regarding the definition of TH across imaging modalities, with intestinal ultrasound and magnetic resonance enterography representing the principal tools for its assessment. Available data suggest that TH can be achieved in a meaningful proportion of patients receiving advanced therapies, particularly when treatment is initiated early in the disease course, although rates vary considerably according to therapeutic class, disease characteristics, and the definition adopted. Emerging technologies may further refine the assessment of transmural disease activity. Conclusions: TH represents a promising therapeutic target that may better capture the full burden of inflammation in CD than mucosal endpoints alone. Future efforts should focus on harmonizing imaging criteria and determining whether targeting TH can translate into meaningful disease modification and improved long-term outcomes.<\/jats:p>","DOI":"10.3390\/diagnostics16172749","type":"journal-article","created":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T10:58:21Z","timestamp":1787828301000},"page":"2749","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Raising the Bar in Crohn\u2019s Disease: Is Transmural Healing Achievable?"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-1198-6121","authenticated-orcid":false,"given":"Fabrizio","family":"Fanizzi","sequence":"first","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"},{"name":"Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alessandra","family":"Zilli","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tommaso Lorenzo","family":"Parigi","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Virginia","family":"Solitano","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"},{"name":"Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3214-8192","authenticated-orcid":false,"given":"Sara","family":"Massironi","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4308-7295","authenticated-orcid":false,"given":"Federica","family":"Furfaro","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy"},{"name":"Northwestern Medicine, Digestive Health Institute, Chicago, IL 60611, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laurent","family":"Peyrin-Biroulet","sequence":"additional","affiliation":[{"name":"Northwestern Medicine, Digestive Health Institute, Chicago, IL 60611, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariangela","family":"Allocca","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Silvio","family":"Danese","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"},{"name":"Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8591-6995","authenticated-orcid":false,"given":"Ferdinando","family":"D\u2019Amico","sequence":"additional","affiliation":[{"name":"Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, 20132 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,8,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1570","DOI":"10.1053\/j.gastro.2020.12.031","article-title":"STRIDE-II: An Update on the Selecting Therapeutic Targets in Inflammatory Bowel Disease (STRIDE) Initiative of the International Organization for the Study of IBD (IOIBD): Determining Therapeutic Goals for Treat-to-Target Strategies in IBD","volume":"160","author":"Turner","year":"2021","journal-title":"Gastroenterology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1111\/apt.13475","article-title":"Systematic Review with Meta-Analysis: Mucosal Healing Is Associated with Improved Long-Term Outcomes in Crohn\u2019s Disease","volume":"43","author":"Shah","year":"2016","journal-title":"Aliment. 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