pathology report

MALT Lymphoma of the Stomach: Understanding Your Pathology Report

MALT lymphoma of the stomach is a slow-growing cancer and a type of non-Hodgkin lymphoma. It starts in the stomach and develops from immune cells called B cells. Its full name is extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue, and MALT is short for mucosa-associated lymphoid tissue. Your report may use either name, and …
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Inflammatory Fibroid Polyp: Understanding Your Pathology Report

An inflammatory fibroid polyp is a rare, noncancerous growth that most often develops in the stomach. Despite its name, it is not caused by inflammation. It is a benign tumor that starts in the submucosa, the tissue layer just below the inner lining of the stomach or bowel. Doctors sometimes call it a Vanek tumor, …
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HepPar-1: Definition

HepPar-1, short for hepatocyte paraffin 1, is a test that pathologists use to identify hepatocytes, the main working cells of the liver. Pathologists test for HepPar-1 mainly to help diagnose hepatocellular carcinoma, the most common type of cancer that starts in the liver. HepPar-1 also helps the pathologist decide whether a tumor in the liver …
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Napsin A: Definition

Napsin A is a protein made by certain cells in the lungs and kidneys. Pathologists test for Napsin A mainly to help diagnose lung adenocarcinoma, the most common type of lung cancer, and to separate it from other types of lung cancer. Napsin A also helps identify clear cell carcinomas of the ovary and uterus, …
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SOX11: Definition

SOX11 is a protein that works inside the nucleus of a cell to switch other genes on and off. Pathologists test for SOX11 mainly to help diagnose mantle cell lymphoma, a type of lymphoma made of small B cells. SOX11 is especially helpful in the small number of mantle cell lymphomas that do not show …
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TdT: Definition

TdT, short for terminal deoxynucleotidyl transferase, is a protein found in the nucleus of very young, immature lymphocytes. Pathologists test for TdT to help diagnose acute lymphoblastic leukemia and lymphoblastic lymphoma, which are cancers made of these immature cells. TdT also helps the pathologist diagnose thymoma, a tumor of the thymus gland in the chest. …
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CD23: Definition

CD23 is a protein found on the surface of some B cells and on a type of support cell inside lymph nodes called the follicular dendritic cell. Pathologists most often test for CD23 to help diagnose chronic lymphocytic leukemia and small lymphocytic lymphoma, and to separate them from other small-cell lymphomas. CD23 also helps the …
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