Evidence map›Paper›PMID 42381033›Full record

ReviewJournal of medical case reports2026

Urethral diverticulum carcinoma management: a case report and review of the literature.

Xuefan Yang, Yulin Lai, Dihao Deng, Wenqi Jiang, Qiong Deng, Zhu Wang, Hui Liang

Abstract readCase ReportsReview
In one paragraph

Review in Journal of medical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Xuefan Yang *Department of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China.
Yulin Lai *Department of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China.
Dihao Deng *Department of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China.
Wenqi Jiang *Department of Pathology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China.
Qiong DengDepartment of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China.
Zhu WangDepartment of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China. wangzhu@smu.edu.cn.ORCID http://orcid.org/0000-0002-5457-3731
Hui LiangDepartment of Urology, The People's Hospital of Longhua, Surgical Building, NO. 38 Jinglong Jianshe Road, Shenzhen, 518109, China. lianghui8689@smu.edu.cn.

Funding

Medical research project of Shenzhen Longhua Medical Association 2023LHMA01Medical research project of Shenzhen Longhua Medical Association 2023LHMA28Science and Technology Innovation Fund of Longhua Shenzhen 11501A20240704F5EB6FF
6 · The paper itself

Abstract

backgroundFemale urethral diverticulum carcinoma (UDC) is an exceptionally rare malignancy within the female urogenital system. The reported incidence of urethral diverticulum in females ranges from 0.02% to 6%, with malignant transformation occurring in an even smaller subset of cases. The extreme rarity of this condition has significantly constrained both basic research into its pathogenesis and the accumulation of clinical experience in its management. CASE PRESENTATION: A 46-year-old Han Chinese female presented with a 2-year history of increased urinary frequency, urgency, and dysuria. Pelvic MRI with contrast enhancement revealed a well-defined neoplastic lesion measuring 4.9 × 4.9 × 5.1 cm surrounding the urethra. Urethroscopic examination and radiological evaluation showed a urethral diverticulum suspicious for malignancy. Histopathological analysis of the biopsy specimen indicated papillary carcinoma. The patient underwent anterior pelvic exenteration, ileal conduit urinary diversion, and vaginal reconstruction. Postoperative pathological examination suggested high-grade urothelial carcinoma with glandular differentiation in the urethra, with evidence of invasion into the muscular layer of the bladder wall.

conclusionsUDC presents significant diagnostic challenges due to its nonspecific clinical manifestations and frequent delays in diagnosis, underscoring the importance of comprehensive physical examinations, including meticulous vaginal palpation, and advanced diagnostic procedures, such as cystoscopy with biopsy. The optimal treatment paradigm remains elusive, emphasizing the critical need for further clinical research, enhanced international collaboration, and the establishment of standardized treatment protocols to improve therapeutic outcomes for this rare and clinically challenging disease entity.

Indexed as

DiverticulumUrethral DiseasesUrethral NeoplasmsFemaleHumansMagnetic Resonance ImagingMiddle AgedPelvic ExenterationTreatment OutcomeUrinary DiversionAdenocarcinomaCase reportSquamous cell cancerUrethral diverticulumUrethral diverticulum carcinoma

Identifiers

PMID42381033
PMCPMC13584494

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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.