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Homer Wright rosette

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Homer Wright rosetts is a type of rosette in which differentiated tumor cells surround neuropil. Examples of tumors containing theses are neuroblastoma, medulloblastoma, retinoblastoma, and pinealoblastoma. Homer Wrights rosettes are considered "pseudo" in the sense they are not the true rosettes. True rosettes are Flexner-Wintersteiner rosette which contain an empty lumen.