High-grade astrocytoma with piloid features: a case report of comprehensive management - Summary - MDSpire

High-grade astrocytoma with piloid features: a case report of comprehensive management

  • By

  • Qun He

  • Fang Wang

  • Hua Cao

  • Zihuang Li

  • Mengqi Sun

  • May 29, 2026

  • 0 min

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Objective:

To present the clinical course of a rare case of high-grade astrocytoma with piloid features (HGAP) and explore the clinical significance of its atypical manifestation, emphasizing its rarity.

Key Findings:
  • HGAP is a rare and aggressive brain tumor, accounting for 1%-3% of all brain tumors, highlighting the need for awareness in clinical practice.
  • The tumor commonly arises in the posterior cranial fossa and presents with symptoms related to its location, necessitating careful diagnostic imaging.
  • Histopathological features include significant nuclear atypia and specific molecular characteristics such as homozygous deletion of CDKN2A/B, which are critical for diagnosis.
Interpretation:

The case highlights the clinical challenges and management strategies for HGAP, particularly its early postoperative radiological progression.

Limitations:
  • The rarity of HGAP limits the generalizability of findings, making it challenging to establish treatment protocols.
  • Long-term outcomes and effectiveness of treatment strategies remain to be established due to limited case reports, underscoring the need for further research.
Conclusion:

This case underscores the need for further research into HGAP to better understand its clinical behavior and optimal management.

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