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Copyright ©The Author(s) 2015.
World J Dermatol. Feb 2, 2015; 4(1): 50-56
Published online Feb 2, 2015. doi: 10.5314/wjd.v4.i1.50
Table 1 World Health Organization and European Organization of Research and Treatment of Cancer classification of primary cutaneous B cell lymphoma (2005)
Primary cutaneous B cell Lymphoma
Primary cutaneous marginal zone B cell lymphoma
Primary cutaneous follicle center lymphoma
Primary cutaneous diffuse large B cell lymphoma, leg type
Primary cutaneous diffuse large B cell lymphoma, other
Intravascular large B cell lymphoma
Table 2 International Society for Cutaneous Lymphomas and European organization of Research and treatment of cancer TNM classification staging for cutaneous lymphomas other than mycosis fungoides and Sezary syndrome
T
T1: Solitary skin involvement
T1a: A solitary lesion less than 5 cm diameter
T1b: A solitary lesion greater than 5 cm diameter
T2: Regional skin involvement
T2a: All disease in a 15-cm-diameter circular area
T2b: All disease in a 15 and 30 cm diameter circular area
T2c: All disease in a 30-cm-diameter circular area
T3: Generalized skin involvement
T3a: Multiple lesions involving 2 noncontiguous body regions
T3b: Multiple lesions involving 3 or more body regions
N
N1: Involvement of 1 peripheral lymph node region that drains an area of current or prior skin involvement
N2: Involvement of 2 or more peripheral lymph node regions or involvement of any lymph node region that does not drain an area of current or prior skin involvement
N3: Involvement of central lymph nodes
M
M0: No evidence of extra-cutaneous disease (other than lymph node)
M1: Extracutaneous disease is present (other than lymph node)