astrocytoma

noun

as·​tro·​cy·​to·​ma ˌa-strə-sī-ˈtō-mə 

plural astrocytomas also astrocytomata ˌa-strə-sī-ˈtō-mə-tə 

: a nerve-tissue tumor composed of astrocytes

Examples of astrocytoma in a Sentence

Recent Examples on the Web

According to the Mayo Clinic, an astrocytoma is a type of brain tumor or spinal cord tumor that starts in cells called astrocytes, which help keep nerve cells healthy and working. — Leigh Blickley, Entertainment Weekly, 12 Aug. 2026

In October 2024, Mitch was diagnosed with an aggressive, grade four brain tumor called an astrocytoma. — Vanessa Etienne, PEOPLE, 16 July 2026

In September 2021, she was diagnosed with Grade III anaplastic astrocytoma—a brain tumor that develops from a slower-growing mass and becomes more aggressive. — Lucy Notarantonio, MSNBC Newsweek, 18 Aug. 2025

Fast forward to now - I have been diagnosed with #diffusemidlineglioma, an extremely rare type of #astrocytoma #cancer. — Stephanie Giang-Paunon, FOXNews.com, 6 Aug. 2025

Word History

Etymology

astrocyte + -oma

First Known Use

1901, in the meaning defined above

Rhymes for astrocytoma

• glioblastoma
• leiomyoma
• meningioma
• neuroblastoma
• adenocarcinoma
• choriocarcinoma
• pheochromocytoma
• ambystoma
• atheroma
• carcinoma
• coloboma
• granuloma

Medical Definition

astrocytoma

noun

as·​tro·​cy·​to·​ma ˌas-trə-sī-ˈtō-mə 

plural astrocytomas also astrocytomata -mət-ə 

: a nerve-tissue tumor composed of astrocytes