Evidence map›Paper›PMID 39516411›Full record

ArticleArchives of gynecology and obstetrics2024

Comparison of different histomorphological grading systems in vulvar squamous cell carcinoma.

Gilbert Georg Klamminger, Annick Bitterlich, Meletios P Nigdelis, Bashar Haj Hamoud, Erich Franz Solomayer, Mathias Wagner

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Archives of gynecology and obstetrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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0cells of the map it votes in
2citing papers in PubMed
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1 · What the graph read from it

What it found

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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

The trial behind it

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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

2 citing papers in PubMed.

  1. Review
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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

6 authors.

Gilbert Georg KlammingerDepartment of General and Special Pathology, Saarland University (USAAR), 66424, Homburg, Germany. gilbert-georg.klamminger@uks.eu.ORCID 0000-0001-5358-2751
Annick BitterlichDepartment of General and Special Pathology, Saarland University (USAAR), 66424, Homburg, Germany.
Meletios P NigdelisDepartment of Gynecology and Obstetrics, Saarland University Medical Center (UKS), 66424, Homburg, Germany.
Bashar Haj HamoudDepartment of Gynecology and Obstetrics, Saarland University Medical Center (UKS), 66424, Homburg, Germany.
Erich Franz SolomayerDepartment of Gynecology and Obstetrics, Saarland University Medical Center (UKS), 66424, Homburg, Germany.
Mathias WagnerDepartment of General and Special Pathology, Saarland University (USAAR), 66424, Homburg, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHistopathological biomarkers of carcinomas and their prognostic relevance, such as Broder's grading system (based on the total number of undifferentiated cells) or Bryne's grading system (rating morphological features at the tumor invasive front), have been repeatedly and successfully put to test. Since most studies focus on head and neck cancers or oral carcinomas, for squamous cell carcinoma of the vulva, no standardized and agreed on pathological tumor grading system, yielding prognostic significance, could be determined so far. MATERIAL AND

methodsTo determine prognostic associations of different grading systems with regard to groin lymph node metastasis, 73 cases of vulvar carcinomas (VC) were re-examined within our study and Broder's and Bryne's grading system individually performed. To sub-classify between HPV-associated or HPV-independent VC, immunohistochemical p16 stainings were performed. Statistical relationships were evaluated using Spearman correlation and logistic regression analysis, validation was achieved by employment of the likelihood ratio test (LRT) and assessment of ROC curves/AUC values.

resultsWithin our cohort, Broder's grade I (40≈55%) and Bryne's grade II (48≈66%) were the most frequently assigned histological gradings. We determined a positive correlation of Bryne's grading with the extent of lymph node involvement in HPV-associated tumors and demonstrated the feasibility of Bryne's grading to predict the presence of carcinoma cells within groin lymph nodes (LRT p = 0.0066; AUC value≈0.91) in this cohort. On the other hand, our data suggest that especially HPV-independent tumors may not sufficiently be characterized by current standardly performed grading approaches.

conclusionSince only Bryne's grading system correlated positively with lymph node involvement in HPV-associated squamous cell carcinoma of the vulva, we propose to include it by name next to the distinct tumor entity on the histopathological report, allowing not only the interpretation of its prognostic relevance but also future research attempts.

Indexed as

Carcinoma, Squamous CellLymphatic MetastasisNeoplasm GradingVulvar NeoplasmsAdultAgedFemaleHumansLymph NodesMiddle AgedPapillomavirus InfectionsPrognosisBroder’s gradingBryne’s gradingHistomorphologyTumor gradingVulvar cancer

Identifiers

PMID39516411

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