Clinical phases of CTCL

Patch

Tumor

Plaque

Erythroderma
These photos show the various stages of CTCL: patch, plaque, tumor, and erythroderma.
- Patch: lesion of any size that does not have significant elevation or induration; may show pigment changes, scaling, crusting, or wrinkling
- Plaque: lesion of any size that is elevated or indurated; may show pigment changes, scaling, crusting, or follicular prominence
- Tumor: solid, nodular lesion >1 cm; may be ulcerated
- Erythroderma: confluent erythematous lesions covering >80% of the body; may or may not include clinically significant blood involvement