PMC9990772_01
(a) Sagittal T2 magnetic resonance imaging (MRI) show severe spinal cord compression at T5, (b) axial T2 MRI show severe spinal cord compression at T5.
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F1
The patient was started on Rocephin for a urinary tract infection, but computed tomography angiogram of the head and neck and magnetic resonance imaging of the thoracic spine showed extensive bony metastatic disease with an epidural tumor at T4-T7 with severe cord compression [Figure 1].
Myeloid sarcoma with monocytic differentiation (red arrows show mitosis). H&E x400.
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F2
The pathology revealed a myeloid sarcoma with monocytic differentiation and CD68-positive immunohistochemical staining [Figures 2 and 3].
Immunohistochemical staining of CD68 x200.
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F3
The pathology revealed a myeloid sarcoma with monocytic differentiation and CD68-positive immunohistochemical staining [Figures 2 and 3].