Evidence map›Paper›PMID 33488701›Full record

ReviewAdvances in urology2020

CK20 and CK5/6 Immunohistochemical Staining of Urothelial Neoplasms: A Perspective.

Mohammed Akhtar, Sameera Rashid, Mohamed Ben Gashir, Noheir Mostafa Taha, Issam Al Bozom

Abstract readReview
In one paragraph

Review in Advances in urology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing 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

15 citing papers in PubMed.

  1. Article
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  3. Observational
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  8. Review
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  15. Short histological kaleidoscope - recent findings in histology. Part IV.Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie
    Review
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

5 authors.

Mohammed AkhtarDepartment of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar.ORCID https://orcid.org/0000-0002-0722-7967
Sameera RashidDepartment of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar.ORCID https://orcid.org/0000-0003-0608-4746
Mohamed Ben GashirDepartment of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar.ORCID https://orcid.org/0000-0001-7279-7862
Noheir Mostafa TahaDepartment of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar.ORCID https://orcid.org/0000-0001-5890-1168
Issam Al BozomDepartment of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar.ORCID https://orcid.org/0000-0001-9514-7731

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytokeratins belong to the family of intermediate filaments. They are expressed in a highly specific manner in epithelial cells where they play a crucial role in the integrity and mechanical stability of the cells. Several types of cytokeratins have been described in normal as well as neoplastic urothelium. In the case of urothelial neoplasms expression of CK20 and CK5/6 has been shown in several studies to have diagnostic and prognostic implications. Thus, low-grade urothelial carcinoma manifests CK expression limited to the umbrella cells, while high-grade tumors usually have an expression in the entire thickness of the urothelium except for the basal layer. CK5/6 expression on the other hand is expressed in the basal cells in all low-grade and some high-grade urothelial carcinomas. Diffuse CK20 staining accompanied by loss of CK5/6-positive basal layer is usually associated with aggressive clinical behavior. Double staining of the slides for these cytokeratins may facilitate proper interpretation and correlation.

Identifiers

PMID33488701
PMCPMC7803166

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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.