Unusual Presentation of a Small-Cell Variant of Anaplastic Large-Cell Lymphoma Case: When a Septic Picture Is Not Sepsis

Figure 5

Immunohistochemistry staining of bone marrow core biopsy. Small to intermediate sized neoplastic cells form loose clusters and comprise 5–10% of marrow cellularity. These cells stain positive for CD30 (a, e), CD7 (b, f), EMA (equivocal) (c, g), and ALK (d, h). (a–d) 100x magnification; (e–h) 1000x magnification.

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