GuidelineThe American journal of surgical pathology2025
The Dublin International Society of Urological Pathology (ISUP) Consensus Conference on Best Practice Recommendations on the Pathology of Urachal Neoplasms.
Guideline in The American journal of surgical pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Robotic Partial Cystectomy and Extended Pelvic Lymph Node Dissection for Node-Positive Urachal Adenocarcinoma in a 34-Year-Old Woman: A Case Report.Current oncology (Toronto, Ont.) · 2026Article
- Urachal Carcinoma with Divergent Glandular Enteric-Type and Squamous Differentiation Associated with Bladder Exstrophy: Case Report of an Extremely Rare Entity.Reports (MDPI) · 2026Article
- Urachal Signet Ring Cell Carcinoma: A Clinicopathological Analysis of 28 Cases.Current oncology (Toronto, Ont.) · 2026Article
- Grading of bladder cancer: updates, controversies and practical solutions.Histopathology · 2026Review
- A case of neuroendocrine carcinoma of the urachal cancer with comprehensive genomic profiling results.International cancer conference journal · 2026Article
- Patient-derived d-MMR/MSI phenotype urachal cancer organoids for personalized drug screening.Frontiers in oncology · 2026Article
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34 authors.
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Abstract
This manuscript summarizes the first part of the proceedings of the 2023 Dublin ISUP Consensus Conference encompassing the best practice recommendations on the pathology of neoplasms of urachal origin. The rationale for convening this consensus conference was the lack of structured and consented histopathologic recommendations in these rare tumors. Consensus among the meeting participants (n=80) was reached on the following statements: (1) combination of gross, histologic, clinical and imaging findings with exclusion of secondary tumor metastasis are to be used in the diagnosis of urachal carcinoma; (2) the 2022 World Health Organization (WHO) separate criteria for the diagnosis of urachal adenocarcinoma and for nonglandular carcinoma should be applied; (3) specific elements are to be evaluated and recorded in the gross examination of resection specimens containing urachal tumors; (4) sampling considerations for resection specimens containing urachal tumors are advised; (5) participants are against using 5% or 10% cutoff for the extent of intraepithelial carcinoma in urachal mucinous cystic tumor of low malignant potential; (6) use of immunohistochemical markers for the differential diagnosis of urachal adenocarcinomas in transurethral resection (TUR) specimen is considered optional; (7) similar tumor classificatory (nosology) rules for carcinomas arising from bladder mucosa (eg, urothelial carcinoma, squamous cell carcinoma, and neuroendocrine carcinoma) should be applied for nonglandular urachal carcinomas; (8) a new staging approach other than the previously proposed systems should be designed for urachal carcinoma; (9) a system modifying the current Tumor-Node-Metastasis (TNM)/American Joint Committee on Cancer (AJCC) staging system for urinary bladder cancer is considered appropriate for a study in urachal carcinoma; and (10) several histologic elements are to be reported when diagnosing urachal carcinoma in TUR and resection specimens. This report from the Dublin ISUP consensus conference will serve as a practice recommendation for pathologists and as a guide for future standardized reporting protocols and research regarding urachal tumors. In addition, an international database for urachal cancers under the guidance of ISUP is being planned to be established to address pertinent issues in the pathology of urachal cancers.
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