Case Report

Evading Capture by Residual Disease Monitoring: Extramedullary Manifestation of JAK2 V617F-Positive Primary Myelofibrosis After Allogeneic Stem Cell Transplantation

Figure 1

(a) CT showing left periorbital myeloid sarcoma (arrowed); (b) periorbital biopsy showing blast infiltration by myeloid sarcoma (Hematoxylin and Eosin; magnification ×40); (c) positive immunohistochemical staining for CD34 in the myeloid sarcoma (magnification ×40).
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(b)
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