World Health Organization–European Organization for Research and Treatment of Cancer classification of cutaneous lymphoma in Korea: A retrospective study at a single tertiary institution

2012 ◽  
Vol 67 (6) ◽  
pp. 1200-1209 ◽  
Author(s):  
Ji-Hye Park ◽  
Hyun-Tae Shin ◽  
Dong-Youn Lee ◽  
Joo-Heung Lee ◽  
Jun-Mo Yang ◽  
...  
Keyword(s):  
Retrospective Study ◽  
World Health Organization ◽  
Cancer Classification ◽  
Cutaneous Lymphoma ◽  
World Health ◽  
Tertiary Institution ◽  
European Organization ◽  
Health Organization

Subcutaneous Panniculitis-like T-Cell Lymphoma: Redefinition of Diagnostic Criteria in the Recent World Health Organization–European Organization for Research and Treatment of Cancer Classification for Cutaneous Lymphomas

2009 ◽  
Vol 133 (2) ◽  
pp. 303-308 ◽  
Author(s):  
Zahida Parveen ◽  
Karen Thompson
Keyword(s):  
T Cell ◽  
World Health Organization ◽  
Diagnostic Criteria ◽  
Cell Lymphoma ◽  
Cancer Classification ◽  
T Cell Lymphoma ◽  
World Health ◽  
European Organization ◽  
Cutaneous Lymphomas ◽  
Health Organization

Abstract Subcutaneous panniculitis-like T-cell lymphoma is a primary T-cell lymphoma that preferentially involves the subcutaneous tissue. Although subcutaneous panniculitis-like T-cell lymphoma has been recognized as a distinctive entity in the category of peripheral T-cell lymphoma in the World Health Organization classification, its diagnostic criteria has been redefined by the recent World Health Organization–European Organization for Research and Treatment of Cancer classification for primary cutaneous lymphomas. Subcutaneous panniculitis-like T-cell lymphoma is now restricted to primary cutaneous T-cell lymphoma expressing αβ T-cell receptor phenotype. These lymphomas are usually CD3+, CD4−, CD8+, and CD56−, and usually have an indolent clinical course. The clinicopathologic features, differential diagnosis, immunophenotypic characteristics, and molecular features of subcutaneous panniculitis-like T-cell lymphoma are presented in light of the recent World Health Organization–European Organization for Research and Treatment of Cancer classification.

Agranular CD4+/CD56+ Hematodermic Neoplasm: A Distinct Entity Described in the Recent World Health Organization–European Organization for Research and Treatment of Cancer Classification for Cutaneous Lymphomas

2007 ◽  
Vol 131 (1) ◽  
pp. 149-151 ◽  
Author(s):  
Firouzeh Niakosari ◽  
Monalisa Sur
Keyword(s):  
World Health Organization ◽  
Natural Killer ◽  
Plasmacytoid Dendritic Cell ◽  
Killer Cell ◽  
Cancer Classification ◽  
World Health ◽  
European Organization ◽  
Cutaneous Lymphomas ◽  
Health Organization ◽  
Hematodermic Neoplasm

Abstract Agranular CD4+/CD56+ hematodermic neoplasm is a distinct form of lymphoma with aggressive behavior and marked predilection for cutaneous involvement. Because of CD56 positivity, natural killer cells were initially suggested as the cell of origin in this tumor. In the recent World Health Organization–European Organization for Research and Treatment of Cancer classification, the term blastic natural killer cell lymphoma has been replaced with CD4+/CD56+ hematodermic neoplasm because of its derivation from a plasmacytoid dendritic cell precursor. Clinicopathologic features, immunohistochemical features, and differential diagnosis of this rare neoplasm with emphasis on the recent World Health Organization–European Organization for Research and Treatment of Cancer classification are discussed.

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