Fig. 1.
Fig. 1. Detection of active caspase 3–expressing neoplastic cells in HD in combination with CD68. / Double staining of active caspase 3 (brown) and CD68 (blue) indicates that nearly all active caspase 3–positive cytoplasmic staining is restricted to CD68-positive macrophages. (arrow) Macrophage containing active caspase 3-positive debris. (arrowhead) Active caspase 3–positive. CD68− H/RS cell with exclusive cytoplasmic staining (thin arrow). Original magnification × 630.

Detection of active caspase 3–expressing neoplastic cells in HD in combination with CD68.

Double staining of active caspase 3 (brown) and CD68 (blue) indicates that nearly all active caspase 3–positive cytoplasmic staining is restricted to CD68-positive macrophages. (arrow) Macrophage containing active caspase 3-positive debris. (arrowhead) Active caspase 3–positive. CD68− H/RS cell with exclusive cytoplasmic staining (thin arrow). Original magnification × 630.

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