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
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
Mack announced in January that she had been diagnosed with diffuse midline glioma, an extremely rare type of astrocytoma cancer.
—Marlene Lenthang, NBC news, 6 Aug. 2025
Fair was initially misdiagnosed in 2000 with high-grade astrocytoma ependymoma, then shortly after diagnosed with pilomyxoid astrocytoma.
—Deborah Laverty, Chicago Tribune, 10 May 2025
After the surgery, doctors diagnosed her with a grade 2 astrocytoma, also known as a diffuse astrocytoma or low-grade glioma.
—Jordan Greene, People.com, 13 Dec. 2024
However, on March 28, preliminary biopsy results revealed that Burke was suffering from a grade 4 astrocytoma tumor.
—Moira Ritter The Charlotte Observer (tns), al, 1 May 2023
The tumor was biopsied and Will was diagnosed with stage 3 astrocytoma, a cancer that is known to occur in the brain or spinal cord, according to the Mayo Clinic.
—Wendy Grossman Kantor, Peoplemag, 14 Feb. 2023
The officer had first been diagnosed with anaplastic astrocytoma in 2016 at the age of 32.
—Taylor Hartz, Hartford Courant, 4 Dec. 2022
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
Mack announced in January that she had been diagnosed with diffuse midline glioma, an extremely rare type of astrocytoma cancer.
—Marlene Lenthang, NBC news, 6 Aug. 2025
Fair was initially misdiagnosed in 2000 with high-grade astrocytoma ependymoma, then shortly after diagnosed with pilomyxoid astrocytoma.
—Deborah Laverty, Chicago Tribune, 10 May 2025
After the surgery, doctors diagnosed her with a grade 2 astrocytoma, also known as a diffuse astrocytoma or low-grade glioma.
—Jordan Greene, People.com, 13 Dec. 2024
However, on March 28, preliminary biopsy results revealed that Burke was suffering from a grade 4 astrocytoma tumor.
—Moira Ritter The Charlotte Observer (tns), al, 1 May 2023
The tumor was biopsied and Will was diagnosed with stage 3 astrocytoma, a cancer that is known to occur in the brain or spinal cord, according to the Mayo Clinic.
—Wendy Grossman Kantor, Peoplemag, 14 Feb. 2023
The officer had first been diagnosed with anaplastic astrocytoma in 2016 at the age of 32.
—Taylor Hartz, Hartford Courant, 4 Dec. 2022
Cite this Entry
“Astrocytoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astrocytoma. Accessed 8 Sep. 2025.
Copy CitationMedical 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share