Concentric sclerosis is a rare disease where the body’s immune system attacks the white matter (myelin) in the brain in a very special pattern—alternating ...
Concentric demyelination means myelin (the insulation around nerve fibers) is lost in round, ring-like layers. On MRI and under the microscope, you see ...
Baló concentric sclerosis (BCS) is a very rare demyelinating disease. “Demyelinating” means the immune system strips the protective myelin coating from nerve ...
Baller–Gerold syndrome (BGS) is a very rare genetic condition in which some skull bones fuse too early (craniosynostosis) and the bones on the thumb-side of ...
Ciliary dysentery is a bowel infection caused by a large, single-cell parasite named Balantidium coli. It is the only ciliated protozoan known to infect ...
Balantidial dysentery is a bowel infection caused by a single-celled parasite called Balantidium coli (also written in newer papers as Balantioides coli; older ...
Balantidiasis is an infection of the large intestine caused by a single-celled parasite called Balantidium coli (also known in newer science papers as ...
Malignant Hyperthermia Syndrome is a dangerous reaction of the body’s skeletal muscles to some anesthesia medicines. In people who carry certain inherited ...
Congenital Myopathy–Cleft Palate–Malignant Hyperthermia Syndrome is a rare, inherited muscle disease starts at birth (congenital). Babies have weak muscles (a ...
Congenital myopathy 13 is a rare, inherited muscle condition that starts at birth. It is caused by changes (variants) in a single gene called STAC3. This gene ...
Bailey-Bloch congenital myopathy is a rare, inherited muscle disease that starts at birth. It mainly affects skeletal muscles (the muscles we use to move). ...
Bagatelle–Cassidy syndrome is an extremely rare condition first described in a single child in the medical literature. The main pattern includes a large head ...
Bacterial infectious meningitis is a rapidly dangerous illness where bacteria infect the meninges — the thin protective layers that cover the brain and spinal ...
Baby Rattle Pelvis Dysplasia is a very rare, severe skeletal disorder seen before birth or at birth. It was first described in the medical literature as a new, ...
Piroplasmosis, also called babesiosis, is an infection caused by tiny parasites that live inside red blood cells. These parasites are usually from the Babesia ...
Babesiosis is a disease caused by tiny parasites (called Babesia) that live inside red blood cells. These parasites are carried by black-legged ticks (also ...
Congenital disorder of glycosylation type 2d (CDG-IId) is an ultra-rare, inherited, multi-system metabolic disease caused by damaging variants in the B4GALT1 ...
Carbohydrate-Deficient Glycoprotein Syndrome Type 2d (CDG-IId) is a very rare inherited disease that affects how the body builds sugar chains (glycans) on ...
Beta-1,4-galactosyltransferase deficiency is a very rare, inherited metabolic disease. It belongs to a family of conditions called congenital disorders of ...
B4GALT1-CDGB4GALT1-CDG (Beta-1,4- Galactosyltransferase 1 Deficiency) is a very rare inherited condition in which the body cannot correctly attach certain ...
B4GALT1-Congenital Disorder of Glycosylation (B4GALT1-CDG) is a very rare inherited condition that changes the way the body adds sugar chains to proteins (a ...
B-cell prolymphocytic leukemia is a rare, aggressive leukemia that arises from mature B-lymphocytes (a type of white blood cell). Under the microscope, the ...
B-cell prolymphocytic leukemia is a very rare, fast-growing cancer of mature B-lymphocytes (a type of white blood cell). In this disease, the blood, bone ...
Grey zone lymphoma (now called mediastinal grey zone lymphoma, MGZL, in the 5th edition WHO classification) is a rare cancer of B-lymphocytes that shows ...
B-cell Lymphoma, Unclassifiable, with Features Intermediate Diffuse Large B-cell Lymphoma are cancers that begin in B-cells, a type of white blood cell that ...
B-cell lymphocytic neoplasms are cancers that begin in B-cells, a type of white blood cell that makes antibodies. These cancers grow in the lymph nodes, bone ...
B-cell lymphoma is a cancer that starts in B lymphocytes, which are white blood cells that normally make antibodies to help you fight germs. In lymphoma, some ...
Chronic lymphoplasmacytic leukemia (often called Waldenström macroglobulinemia) is a slow-growing cancer of B-cells that behave like a mix of small lymphocytes ...
B-Hematopoietic Chronic Lymphocytic Leukemia (CLL) is a slow-growing blood cancer. It starts from B lymphocytes—a kind of white blood cell that is made in the ...
B-familial chronic lymphocytic leukemia is a slow-growing blood cancer that starts in B lymphocytes (a type of white blood cell that helps make antibodies). In ...
Chronic lymphocytic leukemia (CLL) is a slow-growing blood cancer. It starts when a group of white blood cells called B-lymphocytes in the bone marrow begin to ...
B-cell chronic lymphocytic leukaemia (CLL) is a slow-growing cancer of the blood and bone marrow. It starts from B lymphocytes (B cells), a type of white blood ...
B-cell chronic lymphogenous leukaemia is a slow-growing blood cancer that starts in B lymphocytes, which are white blood cells that help your immune system ...
B-cell chronic lymphocytic leukemia (CLL) / small lymphocytic lymphoma (SLL) is a blood and bone-marrow cancer. It starts from B lymphocytes (a type of white ...
B-Cell Chronic Lymphocytic Leukemia (CLL) is a slow-growing blood cancer where the bone marrow and lymph nodes produce too many abnormal B-lymphocytes. These ...

