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Clinicopathological spectrum of central nervous system germ cell tumors: A single-institution retrospective study

Sreelekha Appasani1, Neelima Radhakrishnan2, Anitha Mathews2

  • 1Department of Pathology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India.

Indian Journal of Pathology & Microbiology
|February 23, 2024
PubMed
Abstract

Insights

Central nervous system germ cell tumors (CNSGCTs) are rare but important extragonadal sites. This study details their clinicopathological features, highlighting germinoma as the most common subtype and the importance of tumor markers.

Area of Science:

  • Neuro-oncology
  • Pathology
  • Oncology

Background:

  • Central nervous system germ cell tumors (CNSGCTs) are rare neoplasms.
  • The central nervous system (CNS) is the second most common extragonadal site for germ cell tumors (GCTs).

Purpose of the Study:

  • To determine the clinicopathological features of CNSGCTs.
  • To analyze the distribution, subtypes, and demographic predilections of CNSGCTs.

Main Methods:

  • Retrospective analysis of histologically diagnosed CNSGCT cases from 2006-2019.
  • Data collected from hospital information systems.
  • Statistical analysis using percentages, means, Chi-square, and Fisher's exact tests.

Main Results:

  • 34 CNSGCT cases analyzed; age range 1-27 years, majority in second decade.
  • Germinoma was the most common subtype (61.8%), with male predilection.
  • Suprasellar and pineal regions were common sites; multifocal involvement noted in 21%.

Conclusions:

  • Histology and immunohistochemistry are crucial for CNSGCT diagnosis.
  • Correlation of serum and/or CSF tumor markers with histology is essential.
  • Tumor markers help identify GCT components missed by biopsy sampling.

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