Case Report
Aggressive Disease Course of Multiple Myeloma with Concomitant ALK-Negative Anaplastic Large Cell Lymphoma: A Case Report with an Unusual Presentation
Figure 1
Core needle biopsy of the lesion in the right gastrocnemius muscle. H&E stain showing a dense infiltrate of large pleomorphic cells with prominent nucleoli and horseshoe or kidney-shaped nuclei (hallmark cells) consistent with ALCL.