Category: Rx Cancer (A – Z)

Bone Marrow Failure Syndrome Type 1 (BMFS1) is a rare, autosomal-dominant inherited disorder where the bone marrow slowly stops making enough healthy blood cells....

Autoimmune thrombocytopenic purpura (ITP)—now most often called immune thrombocytopenia—is a bleeding condition caused by the immune system mistakenly attacking platelets, the blood cells that...

Metaphyseal dysplasia is an umbrella term for rare genetic bone conditions where the metaphyses—the flared ends of long bones near the joints—develop abnormally. On...

RAS-associated autoimmune leukoproliferative disorder (RALD) is a rare immune-system disorder caused by somatic (acquired) “gain-of-function” mutations in the genes NRAS or KRAS inside blood-forming...

Autoimmune lymphoproliferative syndrome type 4 is a rare immune system problem. In this condition, white blood cells do not switch off and die when...

Autoimmune lymphoproliferative syndrome caused by mutation in CASP8/Caspase-8 deficiency is a very rare, inherited problem of the immune system where a gene called CASP8...

Autoimmune Lymphoproliferative Syndrome (ALPS) is a rare disorder in which a safety switch that tells certain immune cells (T lymphocytes) to die when they’re...

Hereditary flat adenoma syndrome (HFAS)” is an older name for a milder form of familial adenomatous polyposis (FAP). Today, most experts call it attenuated...

Attenuated adenomatous polyposis coli” is the milder form of familial adenomatous polyposis (FAP). It happens when a person is born with a harmful change...

Attenuated familial adenomatous polyposis (AFAP) is an inherited condition that causes a person to grow fewer colon and rectal polyps than the classic form...

Giant cell chondrodysplasia, in today’s language, means a bone or jaw growth problem where the tissue shows many “giant cells” under the microscope and...

Myelocerebellar disorder is an older name that doctors used for a rare, inherited condition now usually called ataxia-pancytopenia (AP) syndrome caused by changes in...

Inherited bone-marrow failure means a person is born with a change in a gene that weakens the bone marrow. The bone marrow is the...

Ataxia-Pancytopenia Syndrome (ATXPC) is a rare, inherited disorder caused most often by changes (variants) in a gene called SAMD9L. “Ataxia” means problems with balance...

Astroblastoma is a very rare brain tumor. It grows from glial cells (the support cells of the brain). It is usually found in the...

Myelodysplasia are disorders of the bone marrow—the soft “factory” inside bones that makes blood cells. In MDS, early blood-forming stem cells acquire DNA changes. Because...

Vermiform appendix adenocarcinoma is a cancer that starts in the lining cells of the appendix, a thin, finger-like pouch attached to the first part...

Appendiceal adenocarcinoma is a cancer that begins in the inner lining of the appendix. The lining is made of gland-forming cells that can make...

Appendix adenocarcinoma is a cancer that begins in the gland-forming cells that line the inside of the appendix (a small, finger-like pouch at the...

Angioma serpiginosum is a benign skin condition in which tiny surface blood vessels (capillaries) in the upper layer of the skin become abnormally widened...