Ki-1 lymphoma

Ki-1 lymphoma(s)

A heterogeneous group of childhood lymphomas, the cells of which react against the monoclonal antibody Ki-1, which usually involves the skin, soft tissue, bone, GI tract, rarely CNS  and pericardium  DiffDx Metastatic undifferentiated CA, amelanotic melanoma, malignant sinus histiocytosis; despite its 'ugly' histology, KLs may respond to chemotherapy with prolonged remission or complete cure. See Lymphoma.
References in periodicals archive ?
Diagnosis of t(2;5)(p23;q35)associated Ki-1 lymphoma with immunohistochemistry.
Correlation of light microscopic, immunocytochemical and ultrastructural cytomorphology of anaplastic large cell Ki-1 lymphoma, an activated lymphocyte phenotype: a case report.
Sarcomatoid variant of anaplastic large-cell Ki-1 lymphoma.
Anaplastic large cell Ki-1 lymphoma involving bone marrow: marrow findings and association with reactive hemophagocytosis.
Characterization of the transforming activity of p80, a hyperphosphorylated protein in a Ki-1 lymphoma cell linewith chromosomal translocation t(2;5).
Intraoral presentation or anaplastic large-cell Ki-1 lymphoma in association with HIV infection.
2-4] Subsequently, CD30 proved useful in helping define anaplastic large cell lymphoma (ALCL), which was initially known as Ki-1 lymphoma.
Anaplastic large cell lymphoma (ALCL), previously known as Ki-1 lymphoma, was originally described by Stein and colleagues[1] in 1985 as a heterogeneous group of non-Hodgkin's lymphomas of T-cell, B-cell, and null-cell phenotypes.
Diagnosis of t(2;5)(p23;q35)-associated Ki-1 lymphoma with immunohistochemistry.
Sarcomatoid variant of anaplastic large cell Ki-1 lymphoma.
Childhood Ki-1 lymphoma complicated with multiple bone destruction.