HHF35

Formalin-fixed, paraffin embedded tissue block or cell block, or 1 unstained charged slide for each test requested plus 3-4 additional unstained slides cut at 4 microns. Adequate space on each slide for control tissue is required.

Primarily used as a marker for soft tissue tumors with muscle differentiation (e.g. leiomyoma, leiomyosarcomas, rhabdomyosarcomas) and identification of myoepithelial cells in breast, salivary glands and sweat glands