Sheets of blasts and scattered atypical megakaryocytesSheets of blasts and scattered atypical megakaryocytes
Focus of Myeloproliferative neoplasm Focus of Myeloproliferative neoplasm
CD20 stainCD20 stain
TdT stainTdT stain
Reticulin with marked fibrosisReticulin with marked fibrosis
Blasts positive for PAX5Blasts positive for PAX5