Evidence map›Paper›PMID 40893790›Full record

ArticleCase reports in pathology2025

Simultaneous Lymphoepithelioma-Like and Plasmacytoid Subtypes of Urothelial Carcinoma, Along With Prostatic Adenocarcinoma With Clinical Follow-Up.

Siddharth Venkatesh, John S Costanza, Bettye Cox, Chris Finch, Ya Xu

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In one paragraph

Article in Case reports in pathology, 2025. 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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1 · What the graph read from it

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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

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Siddharth VenkateshBaylor College of Medicine, Houston, Texas, USA.
John S CostanzaDepartment of Pathology & Immunology, Baylor College of Medicine, Houston, Texas, USA.
Bettye CoxDepartment of Pathology & Immunology, Baylor College of Medicine, Houston, Texas, USA.
Chris FinchDepartment of Pathology & Immunology, Baylor College of Medicine, Houston, Texas, USA.
Ya XuDepartment of Pathology & Immunology, Baylor College of Medicine, Houston, Texas, USA.ORCID https://orcid.org/0000-0002-4073-8443

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lymphoepithelioma-like urothelial carcinoma (LELUC) and plasmacytoid urothelial carcinoma (PUC) are rare subtypes. We report a case of simultaneous urothelial carcinoma composed of LELUC and PUC subtypes, along with prostatic adenocarcinoma, with successful clinical management by immunotherapy. The patient, a 54-year-old man with a 40 pack-year smoking history, presented with gross hematuria and dysuria. Imaging revealed focal bladder wall thickening. The patient underwent transurethral resection of bladder tumor (TURBT), followed by cystoprostatectomy. The TURBT revealed LELUC, with muscle invasion. The subsequent cystoprostatectomy specimen displayed a 6.0 cm ulcerative mass, which had focal penetration through the urinary bladder wall. Microscopically, the tumor consisted of sheets of enlarged and pleomorphic tumor cells, mixed with a lymphoplasmacytic infiltrate. Focal plasmacytoid and occasional signet ring cell-like morphologies were observed. Rare tumor cells showed positivity for GATA-3 and p63 immunostains, while the plasmacytoid tumor cells exhibited loss of E-cadherin expression. Additionally, adenocarcinoma of the prostate was present, with a Gleason score of 3 + 3, involving 2% of the prostate tissue. The diagnoses of LELUC, comprising 95% of the tumor, PUC, comprising 5%, and prostatic adenocarcinoma were made. Molecular studies revealed a high tumor mutational burden, and the tumor exhibited PD-L1 expression. The patient received adjuvant immunotherapy with Pembrolizumab and showed no evidence of disease for 3 years up to the time of this report. Morphologic recognition of the various subtypes of urothelial carcinoma, supported by immunohistochemistry, is essential for the proper clinical management of patients. A search of the literature on PubMed revealed no similar cases.

Indexed as

lymphoepithelioma-like urothelial carcinoma (LELUC)plasmacytoid urothelial carcinoma (PUC)prostatic adenocarcinomaurinary bladder

Identifiers

PMID40893790
PMCPMC12393931

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