" /> Pilocytic Astrocytoma - CISMeF





Preferred Label : Pilocytic Astrocytoma;

NCIt synonyms : Grade I Astrocytoma; Grade I Astrocytic Neoplasm; Grade I Astrocytic Tumor; Grade 1 Astrocytoma; Grade 1 Astrocytic Tumor; Grade 1 Astrocytic Neoplasm;

NCIt definition : A WHO grade 1, relatively circumscribed, slowly growing, often cystic astrocytoma occurring in children and young adults. Histologically it is characterized by a biphasic pattern with compacted bipolar cells associated with Rosenthal fibers and multipolar cells associated with microcysts and eosinophilic bodies/hyaline droplets. (WHO);

Neoplastic status : Undetermined;

ICD-O code : 9421/1;

Codes from synonyms : 90600112;

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29/07/2025


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