A WHO Grade III Oligodendroglial Tumor
A WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around nerve fibers. In...
Read articleBrowse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.
A WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around nerve fibers. In...
Read articleAbdominal cystic lymphangioma is a rare, non-cancerous growth made of abnormal lymphatic vessels that form one or more fluid-filled cysts inside the abdomen. The lymphatic system...
Read articleAbducent nucleus cancer, also known as sixth cranial nerve nucleus cancer, is a rare condition where abnormal cells grow uncontrollably in the abducent nucleus, a part...
Read articleAberrant Basal Cell Carcinoma (BCC) is a type of skin cancer that typically originates in the basal cells of the skin’s outer layer. In this article,...
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Abrikossoff’s tumor, also known as granular cell tumor (GCT), is a rare type of soft tissue tumor that can develop in various parts of the body....
Read articleAbsolute monocytopenia means the number of monocytes in the blood is abnormally low, specifically below about 0.2 × 10⁹/L (or <200 cells/µL). Monocytes are a critical...
Read articleAbsolute monocytosis means your blood has more monocytes than the normal upper limit when counted as an absolute number, not just a percentage. Monocytes are a...
Read articleAcinar Cell Carcinoma (ACC) is a rare type of cancer that originates in the acinar cells of the pancreas. While it may sound complicated, we’re here...
Read articleAckerman tumor, also known as Ackerman syndrome or Ackerman’s tumor, is a rare medical condition that primarily affects the bones and soft tissues of the body....
Read articleAcoustic neuroma refers to a benign tumor that arises from the Schwann cells lining the vestibular nerve. This nerve is responsible for transmitting sound and assisting...
Read articleAn acoustic schwannoma is a benign (non-cancerous) tumor that grows from Schwann cells—the cells that wrap and protect the vestibular (balance) part of the eighth cranial...
Read articleAcquired alpha-thalassaemia in myeloid neoplasms means a person who has a disease of the bone marrow (a blood-forming cancer or pre-cancer) suddenly develops a new problem...
Read articleAngioma serpiginosum is a rare, harmless skin condition caused by tiny, surface-level blood vessels that are widened and bunched together. On the skin it looks like...
Read articleT-cell lymphomas are cancers that start from mature (“peripheral”) T lymphocytes. They are uncommon compared with B-cell lymphomas and include many subtypes with different behaviors, symptoms,...
Read articleLymphogranulomatosis X (LgX) was an older clinicopathologic label used in the 1970s–1980s for a syndrome that overlapped with “immunoblastic lymphadenopathy” and “angioimmunoblastic lymphadenopathy.” Modern pathology re-classified...
Read articleImmunoblastic lymphadenopathy is an older name doctors used for a disorder that causes swollen lymph nodes, fever, rashes, and abnormal blood proteins. With better science, we...
Read articleAngioimmunoblastic lymphadenopathy with dysproteinemia is the historical name for what we now call angioimmunoblastic T-cell lymphoma (AITL), grouped in the 2022 World Health Organization (WHO) classification...
Read articleAngioimmunoblastic T-cell lymphoma (AITL) is a fast-growing blood cancer of immune cells called T-follicular helper (TFH) cells. These cells normally live in lymph nodes and help...
Read articleAngioimmunoblastic T-cell lymphoma—today grouped under nodal T-follicular helper (TFH) cell lymphomas, angioimmunoblastic-type—is a fast-growing (aggressive) non-Hodgkin lymphoma that starts from a mature CD4 T-cell that behaves...
Read articleSpondylo-Meta-Epiphyseal Dysplasia (SMED) is a rare, inherited bone growth disorder. “Spondylo-” refers to the spine, “meta-” to the metaphyses (the flared ends of long bones), and...
Read articleSpondyloepimetaphyseal dysplasia, Menger type is the name many registries use for anauxetic dysplasia (AD)—a very rare genetic bone growth disorder in which the spine (spondylo-), the...
Read articleSpondyloepimetaphyseal dysplasia, anauxetic type is a very rare, inherited bone-growth disorder. The main feature is extremely short stature that starts before birth and continues through life....
Read articleAnauxetic dysplasia type 1 (ANXD1) is the most severe end of the cartilage-hair hypoplasia–anauxetic dysplasia (CHH-AD) spectrum, a group of skeletal dysplasias caused by biallelic variants...
Read articleAnauxetic dysplasia is a very rare genetic bone growth condition. It starts before birth and causes extreme short stature (dwarfism) with short limbs, joint looseness (hypermobility),...
Read articleAnaplastic pleomorphic xanthoastrocytoma (APXA) is a rare brain tumor that starts from star-shaped support cells in the brain called astrocytes. “Pleomorphic” means the tumor cells look...
Read articleA WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around nerve fibers. In...
Read articleA WHO grade III oligodendroglial neoplasm is a malignant brain tumor that arises from oligodendrocyte-like glial cells. In today’s (WHO CNS5, 2021) system, it is defined...
Read articleAnaplastic oligodendroglioma is a grade 3 (faster-growing) brain tumor that starts from cells called oligodendrocytes, which help make the insulation (myelin) around brain nerve fibers. Today,...
Read articleWHO grade III mixed glioma” is an older name used when a brain tumor looked like a mix of two cell types: astrocytes and oligodendrocytes. “Mixed”...
Read articleAnaplastic mixed glioma” (also called anaplastic oligoastrocytoma) was an older name for a fast-growing brain tumor that looked like a mix of two cell types under...
Read articleAnaplastic oligoastrocytoma was the old name for a malignant (fast-growing) brain tumor that looked like a mix of two cell types: astrocytes and oligodendrocytes. Modern testing...
Read articleKi-1⁺ anaplastic large cell lymphoma is a cancer of mature T-cells in which the tumor cells are large, look very abnormal (“anaplastic”), and almost always show...
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