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myelofibrosis

American  
[mahy-uh-loh-fahy-broh-sis] / ˌmaɪ ə loʊ faɪˈbroʊ sɪs /

noun

Pathology.
  1. the replacement of bone marrow by fibrous tissue, characteristic of leukemia and certain other diseases.


Etymology

Origin of myelofibrosis

First recorded in 1945–50; myelo- + fibrosis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The 32-year-old, a University of Liverpool student, received a stem cell transplant in Leicester in 2020 after being diagnosed with a rare blood cancer called myelofibrosis.

From BBC • Sep. 25, 2025

In 2017, my father was diagnosed with Stage IV myelofibrosis, a rare and deadly form of blood cancer.

From Salon • Dec. 6, 2024

Food and Drug Administration has extended the review period for its experimental drug momelotinib, which is designed to treat anaemic patients with a type of bone marrow cancer called myelofibrosis.

From Reuters • Jun. 16, 2023

His daughter, Gwynn Press Anidjar, said the cause was advanced myelofibrosis, a bone marrow cancer.

From New York Times • Oct. 28, 2022

He was diagnosed with myelofibrosis — a rare type of leukemia — 15 years ago, and for the most part had been able to keep it from spreading too quickly.

From Seattle Times • Feb. 15, 2022