Flexner-Wintersteiner rosette is a term used to describe a diagnostic feature of certain types of cancer. This type of rosette is characterized by small, circular clusters of cells that resemble a rose petal. Although there are no known synonyms for Flexner-Wintersteiner rosette, it is often used in conjunction with other terms that refer to tumor diagnosis. For example, when observed in tumors of the eye, it may be referred to as retinoblastoma with Flexner-Wintersteiner rosette. Similarly, in the context of neuroblastoma, it may be described as neuroblastoma with Flexner-Wintersteiner rosette formation. Ultimately, the use of the Flexner-Wintersteiner rosette and related terminology is crucial in the early and accurate diagnosis of certain forms of cancer.