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Intraoperative Diagnosis for Pediatric Brain Tumors
Jennifer A Cotter1, Linda J Szymanski1, Bruce R Pawel1
1Department of Pathology and Laboratory Medicine, Keck School of Medicine of University of Southern California, Children's Hospital Los Angeles, Los Angeles, CA, USA.
Summary
Pediatric central nervous system (CNS) tumors are the most common childhood solid tumors. This review details intraoperative consultation techniques for diagnosing these brain tumors, focusing on common types and diagnostic pitfalls.
Area of Science:
- Pediatric Pathology
- Neuropathology
- Surgical Pathology
Background:
- Central nervous system (CNS) tumors represent the most frequent solid tumors in children (0-19 years).
- They account for approximately one-quarter of all childhood cancers in the United States.
- Intraoperative consultation, often via frozen section, is a critical initial step in diagnosing pediatric CNS tumors.
Purpose of the Study:
- To provide an overview of technical aspects for intraoperative consultation of pediatric CNS tumors.
- To highlight key cytologic and histologic features of common pediatric CNS tumors.
- To identify and explain common diagnostic pitfalls and their avoidance.
Main Methods:
- Review of technical aspects of intraoperative consultation for CNS tumors.
- Emphasis on cytologic and histologic features of common pediatric CNS tumors.
- Discussion of diagnostic pitfalls and avoidance strategies.
Main Results:
- Intraoperative consultation is crucial for timely diagnosis of pediatric brain tumors.
- Specific cytologic and histologic features aid in identifying common pediatric CNS tumors.
- Awareness of common pitfalls improves diagnostic accuracy.
Conclusions:
- Effective intraoperative consultation relies on understanding specific technical aspects and tumor features.
- Accurate diagnosis of pediatric CNS tumors during surgery is essential for patient management.
- This review serves as a guide for pathologists encountering pediatric CNS tumors in frozen section.
