Table 1 classification of cutaneous T-cell lymphoma (CTCL)
T-classification | Description |
|---|---|
T0 | Clinically and/or histopathologically suspicious lesions |
T1 | Limited plaques, papules, or eczematous patches covering <10% of the skin surface |
T2 | Generalized plaques, papules, or erythematous patches covering 10% or more of the skin surface |
T3 | Tumors, one or more |
T4 | Generalized erythroderma |
N-classification | |
N0 | No clinically abnormal peripheral lymph nodes; pathology negative for CTCL |
N1 | Clinically abnormal peripheral lymph nodes; pathology negative for CTCL |
N2 | No clinically abnormal peripheral lymph nodes; pathology positive for CTCL |
N3 | Clinically abnormal peripheral lymph nodes; pathology positive for CTCL |
M-classification | |
M0 | No visceral organ involvement |
M1 | Visceral involvement (must have pathology confirmation and organ involved should be specified) |