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Netosis In Pulmonary Pleomorphic Carcinoma.

Home
Netosis In Pulmonary Pleomorphic Carcinoma.

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NETosis in pulmonary pleomorphic carcinoma.

Hajime Oi^1,2,3, Tetsuro Taki¹, Takashi Kuroe¹

¹Department of Pathology and Clinical Laboratories, National Cancer Center Hospital East, Kashiwa, Japan.

|November 18, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

High NETosis areas in pulmonary pleomorphic carcinoma correlate with increased systemic inflammation and poorer patient survival following surgical resection.

Keywords:

NET NETosis dirty necrosis pulmonary pleomorphic carcinoma systemic inflammation

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Area of Science:

Oncology
Immunology
Pathology

Background:

Pulmonary pleomorphic carcinoma (PC) is a rare non-small-cell lung cancer with poor prognosis.
Tumor necrosis (TN) is a common feature in PC.
NETosis, a neutrophil cell death process, is implicated in inflammatory conditions.

Purpose of the Study:

To investigate the prognostic significance of NETosis in pulmonary pleomorphic carcinoma.
To assess the correlation between NETosis area and systemic inflammation markers.
To evaluate NETosis as a potential biomarker in PC.

Main Methods:

Seventy-six patients with resected pulmonary PC were analyzed.
Tumor necrosis regions were quantified.
NETosis areas were measured using citrullinated histone H3 (citH3) and myeloperoxidase staining.

Associations with overall survival and systemic inflammation markers were examined.

Main Results:

Tumor necrosis was present in 92% of patients.
High NETosis area was significantly associated with shorter overall survival (p=0.013).
Elevated NETosis correlated with higher systemic inflammation markers (CRP, CRP/albumin ratio, neutrophil/lymphocyte ratio).
These inflammatory markers decreased post-surgery.

Conclusions:

High NETosis area is an independent poor prognostic factor in surgically resected pulmonary PC.
NETosis is linked to increased systemic inflammation in PC patients.
NETosis quantification may aid in predicting outcomes for pulmonary pleomorphic carcinoma.