retinoblastoma

noun

ret·​i·​no·​blas·​to·​ma ˌre-tə-nō-ˌbla-ˈstō-mə 

plural retinoblastomas also retinoblastomata ˌre-tə-nō-ˌbla-ˈstō-mə-tə 

: a malignant tumor of the retina that develops during childhood, is derived from retinal germ cells, and is associated with a chromosomal abnormality

Examples of retinoblastoma in a Sentence

Recent Examples on the Web

Two syndromes that increase the risk are familial retinoblastoma and neurofibromatosis type 1. Radiation therapy for cancer: People who have undergone radiation treatment for different cancers have a higher likelihood of developing sarcoma later in life. —Julia Gomez, USA TODAY, 10 June 2024

Before even reaching grade school, Mia has already battled retinoblastoma, the most common eye cancer among children, according to the American Cancer Society. —Eve Chen, USA TODAY, 3 Sep. 2023

At the age of 4 months, he was diagnosed with retinoblastoma in both eyes. —Lawrence D Rosenblum, Discover Magazine, 19 Aug. 2014

She was born with retinoblastoma, a form of eye cancer, and is blind. —Los Angeles Times, 9 Apr. 2021

Word History

Etymology

New Latin, from retin- + blast- + -oma

First Known Use

1924, in the meaning defined above

Medical Definition

retinoblastoma

noun

ret·​i·​no·​blas·​to·​ma ˌret-ᵊn-ō-ˌblas-ˈtō-mə 

plural retinoblastomas also retinoblastomata -mət-ə 

: a hereditary malignant tumor of the retina that develops during childhood, is derived from retinal germ cells, and is associated with a chromosomal abnormality