Angioma 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 ...

T-cell lymphomas are cancers that start from mature (“peripheral”) T lymphocytes. They are uncommon compared with B-cell lymphomas and include many subtypes ...

Lymphogranulomatosis X (LgX) was an older clinicopathologic label used in the 1970s–1980s for a syndrome that overlapped with “immunoblastic lymphadenopathy” ...

Immunoblastic lymphadenopathy is an older name doctors used for a disorder that causes swollen lymph nodes, fever, rashes, and abnormal blood proteins. With ...

Angioimmunoblastic lymphadenopathy with dysproteinemia is the historical name for what we now call angioimmunoblastic T-cell lymphoma (AITL), grouped in the ...

Angioimmunoblastic T-cell lymphoma (AITL) is a fast-growing blood cancer of immune cells called T-follicular helper (TFH) cells. These cells normally live in ...

Angioimmunoblastic T-cell lymphoma—today grouped under nodal T-follicular helper (TFH) cell lymphomas, angioimmunoblastic-type—is a fast-growing (aggressive) ...

Spondylo-Meta-Epiphyseal Dysplasia (SMED) is a rare, inherited bone growth disorder. “Spondylo-” refers to the spine, “meta-” to the metaphyses (the flared ...

Spondyloepimetaphyseal dysplasia, Menger type is the name many registries use for anauxetic dysplasia (AD)—a very rare genetic bone growth disorder in which ...

Spondyloepimetaphyseal dysplasia, anauxetic type is a very rare, inherited bone-growth disorder. The main feature is extremely short stature that starts before ...

Anauxetic dysplasia type 1 (ANXD1) is the most severe end of the cartilage-hair hypoplasia–anauxetic dysplasia (CHH-AD) spectrum, a group of skeletal ...

Anauxetic dysplasia is a very rare genetic bone growth condition. It starts before birth and causes extreme short stature (dwarfism) with short limbs, joint ...

Anaplastic pleomorphic xanthoastrocytoma (APXA) is a rare brain tumor that starts from star-shaped support cells in the brain called astrocytes. “Pleomorphic” ...

A WHO grade III oligodendroglial tumor is a fast-growing brain tumor that starts from oligodendrocytes, the cells that make the myelin (insulation) around ...

A 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 ...

Anaplastic oligodendroglioma is a grade 3 (faster-growing) brain tumor that starts from cells called oligodendrocytes, which help make the insulation (myelin) ...

WHO 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” means both ...

Anaplastic 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 ...

Anaplastic oligoastrocytoma was the old name for a malignant (fast-growing) brain tumor that looked like a mix of two cell types: astrocytes and ...

Ki-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 ...