Short answer · Medically reviewed summary · Last updated: 2026-05-08
Juvenile Pilocytic Astrocytoma (JPA) is a slow-growing, benign brain tumor primarily affecting children and young adults, frequently classified under the broader term pilocytic astrocytoma. While medical records may use various historical or descriptive labels, "pilocytic astrocytoma" is the current standard terminology used by the World Health Organization (WHO) for this specific grade 1 tumor. What are the common synonyms and historical names for Juvenile Pilocytic Astrocytoma? In medical literature, you may encounter several terms for Juvenile Pilocytic Astrocytoma.
Juvenile Pilocytic Astrocytoma synonyms
Other names for Juvenile Pilocytic Astrocytoma: synonyms, acronyms and related terms used by doctors and patients.
Juvenile Pilocytic Astrocytoma (JPA) is a slow-growing, benign brain tumor primarily affecting children and young adults, frequently classified under the broader term pilocytic astrocytoma. While medical records may use various historical or descriptive labels, "pilocytic astrocytoma" is the current standard terminology used by the World Health Organization (WHO) for this specific grade 1 tumor.
What are the common synonyms and historical names for Juvenile Pilocytic Astrocytoma?
In medical literature, you may encounter several terms for Juvenile Pilocytic Astrocytoma. Historically, these tumors were sometimes referred to as "cystic astrocytomas" due to their appearance on imaging, or "juvenile astrocytomas" to distinguish them from more aggressive adult-onset tumors. While these terms appear in older patient records or legacy journals, they are now largely subsumed under the modern pilocytic astrocytoma classification.
How is this condition classified in official medical systems?
Standardized medical systems utilize specific codes to ensure accurate diagnosis and tracking of Juvenile Pilocytic Astrocytoma. Understanding these labels can help when reviewing pathology reports or insurance documentation:
- WHO Classification: Classified as a Grade 1 glioma, reflecting its slow growth and non-malignant nature.
- Orphanet: Listed as ORPHA:94073.
- ICD-10/11: Often categorized under codes for intracranial neoplasms of uncertain or specified behavior.
- OMIM: Frequently associated with the BRAF gene mutation pathway (OMIM #164760).
Why does Juvenile Pilocytic Astrocytoma have multiple names?
The naming of Juvenile Pilocytic Astrocytoma has evolved alongside advancements in neuro-oncology and molecular genetics. Earlier terminology was based purely on the tumor’s physical appearance under a microscope—specifically the "hair-like" (pilocytic) cells. As our understanding of the genetic drivers of Juvenile Pilocytic Astrocytoma has improved, the medical community has shifted toward a more unified nomenclature to facilitate better international research and clinical trial recruitment, including among our 13 DiseaseMaps.org community members.
Next steps
- Consult with a pediatric neuro-oncologist to confirm the specific classification of your pathology report.
- Request a molecular genetic test to check for the BRAF-KIAA1549 fusion, which is highly characteristic of Juvenile Pilocytic Astrocytoma.
- Join the DiseaseMaps.org community to connect with other families navigating a diagnosis of Juvenile Pilocytic Astrocytoma.
Medical disclaimer: This information is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.
References
- Orphanet: Pilocytic astrocytoma (ORPHA:94073)
- NIH Genetic and Rare Diseases Information Center (GARD): Pilocytic astrocytoma
- OMIM (Online Mendelian Inheritance in Man): #164760 (Astrocytoma)
- World Health Organization (WHO) Classification of Tumours of the Central Nervous System
