CD34 Expression in Low-Grade Epilepsy-Associated Tumors: Relationships with Clinicopathologic Features
Marco Giulioni1, Gianluca Marucci2, Massimo Cossu3
1UOC Neurochirurgia, IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy.
World Neurosurgery
|October 12, 2018
Summary
CD34 expression is linked to tumor type and epilepsy duration in low-grade epilepsy-associated tumors. This finding suggests CD34 may serve as a valuable biomarker for these neurological conditions.
Area of Science:
- Neurology
- Oncology
- Biomolecular markers
Background:
- Low-grade epilepsy-associated tumors (LGEATs) are a significant cause of refractory epilepsy.
- Understanding the molecular characteristics of LGEATs is crucial for improving diagnosis and treatment.
- CD34 is a cell surface glycoprotein with potential roles in tumor biology.
Purpose of the Study:
- To investigate the association between CD34 expression and demographic, clinical, and pathological features in patients with LGEATs.
- To identify potential correlations between CD34 positivity and specific tumor subtypes or epilepsy characteristics.
Main Methods:
- Retrospective analysis of 187 patients with histopathologically confirmed LGEATs who underwent epilepsy surgery.
- Histological diagnosis based on World Health Organization (WHO) classification.
- Univariate and multivariate statistical analyses to determine factors associated with CD34 expression.
Main Results:
- Over half (50.8%) of patients exhibited CD34 positivity.
- Tumor type (Ganglioglioma, Pleomorphic xanthoastrocytoma) and epilepsy duration (>10 years) were independently associated with CD34 expression.
- CD34 positivity showed associations with older age at surgery, higher antiepileptic drug (AED) intake, and female sex on univariate analysis.
Conclusions:
- CD34 expression is a promising biomarker for LGEATs, correlating with key clinicopathological features.
- The study confirms the link between CD34 expression and tumor type, and highlights a higher probability of CD34 positivity in patients with longer epilepsy duration.
- These findings may aid in refining diagnostic and prognostic strategies for LGEATs.
Keywords:
Epilepsy surgeryFocal cortical dysplasiaGlioneuronal tumorsImmunohistochemistryProgenitor cellsMore Related Videos
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