Evidence map›Paper›PMID 30825003›Full record

ReviewVirchows Archiv : an international journal of pathology2019

Intraductal carcinoma of the prostate: a critical re-appraisal.

Murali Varma, Brett Delahunt, Lars Egevad, Hemamali Samaratunga, Glen Kristiansen

Abstract readReview
In one paragraph

Review in Virchows Archiv : an international journal of pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing 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

21 citing papers in PubMed.

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  20. Perspective: a critical assessment of PI-RADS 2.1.Abdominal radiology (New York) · 2020
    Article
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.

Murali VarmaDivision of Cancer & Genetics, Cardiff University School of Medicine, Cardiff, UK. varmam@cardiff.ac.uk.ORCID http://orcid.org/0000-0003-1385-2045
Brett DelahuntDepartment of Pathology and Molecular Medicine, Wellington School of Medicine and Health Sciences, University of Otago Wellington, Wellington, New Zealand.
Lars EgevadDepartment of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
Hemamali SamaratungaAquesta Uropathology, University of Queensland, Brisbane, Queensland, Australia.
Glen KristiansenInstitute of Pathology, University Hospital Bonn, Bonn, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Intraductal carcinoma of the prostate gland (IDCP), which is now categorised as a distinct entity by WHO 2016, includes two biologically distinct diseases. IDCP associated with invasive carcinoma (IDCP-inv) generally represents a growth pattern of invasive prostatic adenocarcinoma while the rarely encountered pure IDCP is a precursor of prostate cancer. This review highlights issues that require further discussion and clarification. The diagnostic criterion "nuclear size at least 6 times normal" is ambiguous as "size" could refer to either nuclear area or diameter. If area, then this criterion could be re-defined as nuclear diameter at least three times normal as it is difficult to visually compare area of nuclei. It is also unclear whether IDCP could also include tumours with ductal morphology. There is no consensus whether pure IDCP in needle biopsies should be managed with re-biopsy or radical therapy. A pragmatic approach would be to recommend radical therapy only for extensive pure IDCP that is morphologically unequivocal for high-grade prostate cancer. Active surveillance is not appropriate when low-grade invasive cancer is associated with IDCP, as such patients usually have unsampled high-grade prostatic adenocarcinoma. It is generally recommended that IDCP component of IDCP-inv should be included in tumour extent but not grade. However, there are good arguments in favour of grading IDCP associated with invasive cancer. All historical as well as contemporary Gleason outcome data are based on morphology and would have included an associated IDCP component in the tumour grade. WHO 2016 recommends that IDCP should not be graded, but it is unclear whether this applies to both pure IDCP and IDCP-inv.

Indexed as

AdenocarcinomaBiopsy, NeedleCarcinoma, Intraductal, NoninfiltratingHumansMaleNeoplasm GradingProstateProstatic NeoplasmsCritical reviewDuctal adenocarcinomaIntraductal carcinoma of prostate glandProstate cancer

Identifiers

PMID30825003
PMCPMC6505500

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Registered trials

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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.