This antibody can be employed to identify the presence of myoglobin-containing tubular casts in the lumina of renal tubules, but is not a recommended marker of rhabdomyosarcoma as there are much more specific markers.
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 3 unstained slides for each test requested plus 1-2 additional unstained slides cut at 4µm