Figure 1.
![Figure 1. Relevant histologic and immunophenotypical characteristics were analyzed. Plaque versus tumor stage (H/E stain; top left and right panels, respectively; original magnifications, × 50, × 100 [inset]); high proliferative index vs low proliferative index (Ki67 low, Ki67 high, middle panels; original magnification, × 100); and common phenotype (CD4+, CD8-, middle panels; original magnification, × 200) vs aberrant phenotype (CD4- and/or CD8+, bottom panels; original magnification, × 200).](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/102/3/10.1182_blood-2002-11-3574/6/h81534709001.jpeg?Expires=1722762592&Signature=srfMmu8j6PgUHrb65wwGS8L9CIr0qTt7DKBqScTMxpT5Kyeocbj4ia7vzjN0B-gDhp~~zZjUmCUECfbESW-PyZHGFTep7PB9H-tmgXSHHLT6SQvVZpkmsjBAOq-MtjHTokuQavBdbj6gX~IAgwUJ2QmpyUtLzhEJixey-1faxFRdzRcaIo9uMGSPECaZMXKbSyh8~mj2X973-t6WxSYUGHOaVfQD-lF13pCZhMNw0SdYzex1BRJwYgY0rbfgxLF5ZahZGg9GemRfmvBI2Z3mzt3NwG2zt0goOu-~SD-piDyPDPIWk3k9yDVstOc5LQCjHN9CbCmLQlIqhjt0rDVt9w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Relevant histologic and immunophenotypical characteristics were analyzed. Plaque versus tumor stage (H/E stain; top left and right panels, respectively; original magnifications, × 50, × 100 [inset]); high proliferative index vs low proliferative index (Ki67 low, Ki67 high, middle panels; original magnification, × 100); and common phenotype (CD4+, CD8-, middle panels; original magnification, × 200) vs aberrant phenotype (CD4- and/or CD8+, bottom panels; original magnification, × 200).
