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Reed–Sternberg cells are CD30 and CD15 positive except in the lymphocyte predominance type where they are negative, but are usually positive for CD20 and CD45. The presence of these cells is necessary in the diagnosis of Hodgkin lymphoma – the absence of Reed–Sternberg cells has very high negative predictive value.
Nodular lymphocyte predominant Hodgkin lymphoma; Micrograph of a lymph node biopsy showing nodular lymphocyte predominant Hodgkin lymphoma, with the Reed–Sternberg cell variant that has a popcorn-shaped nucleus (left-bottom of image). H&E stain. Specialty: Hematology and oncology: Frequency: 0.1-0.2 cases / 100000 per year
Hodgkin lymphoma (HL) is a type of lymphoma in which cancer originates from a specific type of white blood cell called lymphocytes, where multinucleated Reed–Sternberg cells (RS cells) are present in the patient's lymph nodes.
The five-year survival rate in the United States for all Hodgkin lymphoma subtypes is 85%, [4] while that for non-Hodgkin lymphomas is 69%. [15] Worldwide, lymphomas developed in 566,000 people in 2012 and caused 305,000 deaths. [16] They make up 3–4% of all cancers, making them as a group the seventh-most-common form.
It is composed of large tumor nodules with lacunar Reed–Sternberg cell (RS cells) surrounded by fibrotic collagen bands. [ citation needed ] The British National Lymphoma Investigation further categorized NSHL based upon Reed–Sternberg cells into "nodular sclerosis type I" (NS I) and "nodular sclerosis type II" (NS II), with the first ...
CD30 is associated with anaplastic large cell lymphoma. It is expressed in embryonal carcinoma but not in seminoma and is thus a useful marker in distinguishing between these germ cell tumors. [8] CD30 and CD15 are also expressed on Reed-Sternberg cells typical for Hodgkin's lymphoma. [9]
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