Pan-urothelial verrucous carcinoma unrelated to schistosomiasis

Flores, Marcos Rodrigo Saravia; Ruiz, Mario Roberto Morales; Florian, Roberto Elfidio Orozco; Leon, Werner De; Jose, Luis San

doi:10.1136/bcr.08.2008.0787

Cited by 6 publications

(6 citation statements)

References 10 publications

(9 reference statements)

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“…In areas without endemic schistosomiasis, only sporadic cases of VC in the bladder have been reported [2][3][4]. The aetiology of non-endemic VC remains unknown but it appears to be male predominated and age-dependent, typically presenting in the sixth decade in accordance with the case presented here [2][3][4].…”

Section: Discussionsupporting

confidence: 85%

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Caveats in the diagnosis of suspected non‐endemic verrucous carcinoma in the urinary bladder

et al. 2022

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Section: Discussionsupporting

confidence: 85%

“…In areas without endemic schistosomiasis, only sporadic cases of VC in the bladder have been reported [2–4]. The aetiology of non‐endemic VC remains unknown but it appears to be male predominated and age‐dependent, typically presenting in the sixth decade in accordance with the case presented here [2–4].…”

Section: Discussionsupporting

confidence: 81%

Caveats in the diagnosis of suspected non‐endemic verrucous carcinoma in the urinary bladder

et al. 2022

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“…Verrucous carcinoma may recur but never metastasize. Some cases are related to HPV infection, others to schistosomiasis, but there are also cases unrelated to any known specific etiology [ 32 ].…”

Section: Architectural Changesmentioning

confidence: 99%

Unusual Faces of Bladder Cancer

Manini

López

2020

Cancers

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The overwhelming majority of bladder cancers are transitional cell carcinomas. Albeit mostly monotonous, carcinomas in the bladder may occasionally display a broad spectrum of histological features that should be recognized by pathologists because some of them represent a diagnostic problem and/or lead prognostic implications. Sometimes these features are focal in the context of conventional transitional cell carcinomas, but some others are generalized across the tumor making its recognition a challenge. For practical purposes, the review distributes the morphologic spectrum of changes in architecture and cytology. Thus, nested and large nested, micropapillary, myxoid stroma, small tubules and adenoma nephrogenic-like, microcystic, verrucous, and diffuse lymphoepithelioma-like, on one hand, and plasmacytoid, signet ring, basaloid-squamous, yolk-sac, trophoblastic, rhabdoid, lipid/lipoblastic, giant, clear, eosinophilic (oncocytoid), and sarcomatoid, on the other, are revisited. Key histological and immunohistochemical features useful in the differential diagnosis are mentioned. In selected cases, molecular data associated with the diagnosis, prognosis, and/or treatment are also included.

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“…Its incidence accounts for 3–4.6% of bladder carcinomas in areas of endemic schistosomiasis . However, occasional sporadic cases have been reported in non‐endemic areas . The aetiology is unknown and the relationship with HPV is not certain, although progression from condyloma acuminatum to verrucous carcinoma has been reported .…”

Section: Bladder Cancers With Squamous Morphologymentioning

confidence: 99%

“…15,29 However, occasional sporadic cases have been reported in non-endemic areas. 30,[32][33][34] The aetiology is unknown and the relationship with HPV is not certain, although progression from condyloma acuminatum to verrucous carcinoma has been reported. 28,35 Clinically, verrucous carcinoma is often observed in males and in endemic areas of schistosomiasis.…”

Section: E R R U C O U S C a R C I N O M Amentioning

confidence: 99%

Non‐urothelial carcinomas of the bladder

2018

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Non‐urothelial carcinomas involving the bladder are uncommon and often diagnostically challenging. These carcinomas may show squamous, adenocarcinomatous or neuroendocrine features, with immunohistochemical stains aiding the diagnosis in only a subset of cases. The clinical history in non‐urothelial bladder carcinomas is important, given that the differential diagnosis often includes secondary involvement of the bladder by direct extension or metastasis from carcinomas at other sites. This paper will review non‐urothelial carcinomas in each of these three morphological categories, emphasising recent changes in diagnostic grouping and challenges in the histopathological diagnosis. Review of bladder cancers with squamous morphology will include discussion of conventional squamous cell carcinoma and verrucous carcinoma and their distinction from urothelial carcinoma with extensive squamous differentiation. Bladder carcinomas with adenocarcinomatous change will include primary bladder adenocarcinoma, urachal adenocarcinoma and tumours of Müllerian type. Finally, neuroendocrine neoplasms of the bladder, including well‐differentiated neuroendocrine tumour and neuroendocrine carcinomas, will be discussed. Associated surface findings, risk factors and prognostic features will be described.

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Pan-urothelial verrucous carcinoma unrelated to schistosomiasis

Cited by 6 publications

References 10 publications

Caveats in the diagnosis of suspected non‐endemic verrucous carcinoma in the urinary bladder

Caveats in the diagnosis of suspected non‐endemic verrucous carcinoma in the urinary bladder

Unusual Faces of Bladder Cancer

Non‐urothelial carcinomas of the bladder

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