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PD-L1 is a positive prognostic factor in squamous cell carcinoma of the nasal vestibule

Vital, D; Holzmann, D; Huber, G F; Moch, H; Morand, G B; Ikenberg, K (2018). PD-L1 is a positive prognostic factor in squamous cell carcinoma of the nasal vestibule. Rhinology, 56(3):182-190.

Abstract

BACKGROUND
Aim was to analyse the role of PD-L1 in squamous cell carcinomas of the nasal vestibule. Advanced squamous cell carcinoma of the nasal vestibule is a highly aggressive tumour. The role of PD-L1 expression is unclear in this tumour type.
METHODOLOGY
Forty-six patients diagnosed between 1995 and 2014 were analyzed. Baseline characteristics and outcome were correlated to immunohistochemical staining of PD-L1. PD-L1 positivity of tumour cells and tumour infiltrating immune cells (TIIC) was defined by any staining of more than 1% of the tumour cells.
RESULTS
PD-L1 expression was interpretable in 31 of 46 patients (67.4%). PD-L1 positivity was present in 14 (45.2%) patients tumour cells and 17 (54.8%) patients TIIC. PD-L1 positivity of tumour cells was associated with a favourable disease free survival (p=0.019).
CONCLUSIONS
Positivity for PD-L1 in tumour cells is a prognostic factor in squamous cell carcinoma of the nasal vestibule and might enable a patient-tailored treatment.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
04 Faculty of Medicine > University Hospital Zurich > Institute of Pathology and Molecular Pathology
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Health Sciences > Otorhinolaryngology
Language:English
Date:21 February 2018
Deposited On:28 Aug 2018 08:22
Last Modified:19 Oct 2024 01:36
Publisher:International Rhinologic Society
ISSN:0300-0729
OA Status:Closed
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.4193/Rhin17.215
PubMed ID:29466476

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