Evidence map›Paper›PMID 42295413›Full record

ArticleInternational journal of colorectal disease2026

Appendiceal abscess: pathologic definitions and a diagnostic framework-SIRC/SICUT consensus.

Roberto Cirocchi, Gioia Brachini, Giovanni Alemanno, Massimiliano Allegritti, Lana Al-Sabe, Gabriele Anania, Nikolaos-Achilleas Arkoudis, Marco Assenza, Paolo Aurello, Francesco Barberini and 48 more

Abstract readConsensus Statement
PubMed Full text at PMC Publisher
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Article in International journal of colorectal disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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58 authors.

Roberto CirocchiDepartment of Medicine and Surgery, University of Perugia, 06123, Perugia, Italy. roberto.cirocchi@unipg.it.
Gioia BrachiniDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Giovanni AlemannoEmergency Surgery Unit, Careggi University Hospital, 50139, Florence, Italy.
Massimiliano AllegrittiInterventional Radiology Unit, Santa Maria Hospital, 05100, Terni, Italy.
Lana Al-SabeDepartment of General Surgery, School of Medicine, The University of Jordan, Amman, 11942, Jordan.
Gabriele AnaniaDepartment of Surgery, AUSL of Ferrara, 44121, Ferrara, Italy.
Nikolaos-Achilleas ArkoudisResearch Unit of Radiology and Medical Imaging, National and Kapodistrian University of Athens, 11528, Athens, Greece.
Marco AssenzaDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Paolo AurelloDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Francesco BarberiniDepartment of Medicine and Surgery, University of Perugia, 06123, Perugia, Italy.
Guido BellezzaSection of Anatomic Pathology and Histology, Department of Medicine and Surgery, University of Perugia, 06156, Perugia, Italy.
Maria Irene BelliniDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Alan BiloslavoEmergency Surgery Section, Cattinara University Hospital, 34149, Trieste, Italy.
Carlo BoselliDepartment of Medicine and Surgery, University of Perugia, 06123, Perugia, Italy.
Francesco BrucchiDivision of General Surgery, IRCCS Istituto Auxologico Italiano, 20145, Milan, Italy.
Paolo BruzzoneDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Diletta CassiniUnit of General Surgery, Sesto San Giovanni Hospital, ASST Nord Milano, 20099, Sesto San Giovanni, Italy.
Isaac CheruiyotFaculty of Health Sciences, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya.
Bruno CirilloDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Federico CoccoliniGeneral and Emergency Surgery, University Hospital of Pisa, 56124, Pisa, Italy.
Mario CoronaDepartment of Radiology, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Piero CovarelliDepartment of Medicine and Surgery, University of Perugia, 06123, Perugia, Italy.
Valerio CozzaEmergency Surgery and Trauma Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168, Rome, Italy.
Daniele CrocettiDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Justin DaviesCambridge Colorectal Unit, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, CB2 0QQ, UK.
Gunjan DesaiLilavati Hospital and Research Centre, Mumbai, 400050, Maharashtra, India.
Saurabh DixitHighland Care Multispeciality Hospital, New Delhi, 110059, India.
Alessandro SpizzirriDepartment of General Surgery, Santa Maria Hospital, 05100, Terni, Italy.
Vincenzo NapolitanoDepartment of General Surgery, Santa Maria Hospital, 05100, Terni, Italy.
Daniele GiulianiDepartment of General Surgery, Santa Maria Hospital, 05100, Terni, Italy.
Alessio GiordanoEmergency Surgery Unit, Careggi University Hospital, 50139, Florence, Italy.
Akinfemi AkingboyeThe Dudley Group NHS Foundation Trust, Dudley DY1 2HQ, United Kingdom and College of Health and Life Science, Aston University Birmingham, Birmingham, UK.
Weihua GongDepartment of Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
Salvatore GuarinoDepartment of General Surgery, IRCCS MultiMedica, 20099, Sesto San Giovanni, Italy.
Ahmed H I HelmyDepartment of General Surgery, School of Medicine, New Giza University, Giza, 12585, Egypt.
Sara LauricellaDepartment of Surgery, Fondazione IRCCS Istituto Nazionale Dei Tumori, 20133, Milan, Italy.
Augusto LauroDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Gianluca MascianàColorectal Surgery Clinical and Research Unit, Surgery Center, Fondazione Policlinico Universitario Campus Bio-Medico, Campus Bio-Medico University of Rome, 00128, Rome, Italy.
Matteo MatteucciDepartment of Medicine and General Surgery, University of Milan, 20145, Milan, Italy.
Alessandra PanareseDepartment of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 67100, L'Aquila, Italy.
Mauro PoddaDepartment of Surgical Sciences, University of Cagliari, 09124, Cagliari, Italy.
Georgi PopivanovDepartment of Surgery, Military Medical Academy, 1606, Sofia, Bulgaria.
Paolo ProsperiEmergency Surgery Unit, Careggi University Hospital, 50139, Florence, Italy.
Camilo Ramírez-GiraldoHospital Universitario Mayor-Méderi, 111321, Bogotá, Colombia.
Dario TartagliaGeneral and Emergency Surgery, University Hospital of Pisa, 56124, Pisa, Italy.
Jacopo TeseiInterventional Radiology Unit, Santa Maria Hospital, 05100, Terni, Italy.
Luca TomassiniSchool of Advanced Studies, University of Camerino, 62032, Camerino, Italy.
Samuele VaccariEmergency Surgery Unit, Department of General Surgery, Bentivoglio Hospital, AUSL Bologna, 40010, Bentivoglio, Italy.
Vipul D YagnikDepartment of Surgery, Banas Medical College and Research Institute, Palanpur, 385001, Gujarat, India.
Xiaonan XiangDepartment of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China.
Mauro ZagoDepartment of General Surgery, A. Manzoni Hospital, Lecco, Italy.
Giuseppe NigriDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Enrico FioriDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Antonia RizzutoDepartment of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy.
Paolo SapienzaDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Andrea MingoliDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Vito D'AndreaDepartment of Surgery, Policlinico Umberto I, Sapienza University of Rome, 00161, Rome, Italy.
Antonio PesceDepartment of Surgery, AUSL of Ferrara, 44121, Ferrara, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAppendiceal abscesses are a heterogeneous manifestation of acute appendicitis, with diverse pathological substrates and imaging phenotypes. The lack of standardized definitions hampers cross-study comparability and consistent diagnostic pathways.

methodsThe Italian Society of Surgical Research (SIRC) and the Italian Society of Emergency Surgery and Trauma (SICUT) conducted a four-round modified Delphi, culminating in an in-person consensus conference (Rome, November 6, 2025). A multidisciplinary panel refined the statements on pathological definitions, classifications, and imaging correlates.

resultsConsensus was reached on 22 statements. Part 1 reports seven statements that delineate the spectrum from uncomplicated to complicated appendicitis (phlegmonous, gangrenous, and perforated) and distinguishes appendiceal abscesses from appendiceal masses. An imaging framework centered on CT descriptors was used to support consistent radiology-pathology correlations.

conclusionsThese statements provide a unified taxonomy and diagnostic framework for appendiceal abscesses and related entities, improving interdisciplinary communication, and enabling cross-study comparability.

Indexed as

AbscessAppendicitisAppendixDelphi TechniqueHumansTomography, X-Ray ComputedAcute appendicitisAppendiceal abscessComputed tomographyConsensus; Delphi techniqueDiagnostic imagingPathologic classification

Identifiers

PMID42295413
PMCPMC13500402

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