Van Maldergem syndrome 1

A Van Maldergem syndrome that has_material_basis_in homozygous mutation in the DCHS1 gene on chromosome 11p15.

Van Maldergem syndrome 2

A Van Malergem syndrome that has_material_basis_in homozygous or compound heterozygous mutation in the FAT4 gene on chromosome 4q28.

Brown-Vialetto-Van Laere syndrome 1

A Brown-Vialetto-Van Laere syndrome that is characterized by progressive bulbar palsy with sensorineural deafness that has_material_basis_in homozygous or compound heterozygous mutation in the C20ORF54 gene (SLC52A3) on chromosome 20p13.

Burkitt lymphoma

A mature B-cell neoplasm of B-cells found in the germinal center.

lambda 5 deficiency

A B cell deficiency that has_material_basis_in mutations in the IGLL1 gene. Lambda 5 mutations can cause a block in B cell development at the transition between the pro-B cell and the pre-B cell stage.

Brown-Vialetto-Van Laere syndrome 2

A Brown-Vialetto-Van Laere syndrome that is characterized by early childhood onset of sensorineural deafness, bulbar dysfunction, and severe diffuse muscle weakness and wasting of the upper and lower limbs and axial muscles, resulting in respiratory insufficiency and that has_material_basis_in homozygous or compound heterozygous mutation in the SLC52A2 gene on chromosome 8q24.

B-lymphoblastic leukemia/lymphoma with hypodiploidy

A B-lymphoblastic leukemia/lymphoma that is composed of B-lymphoblasts which contain less than 46 chromosomes.

splenic marginal zone lymphoma

A marginal zone B-cell lymphocyte located_in the spleen comprised of B-cells in place of white pulp.

diffuse large B-cell lymphoma

A large B-cell lymphoma that is consisting of medium-sized to large B cells with a diffuse growth pattern.

B-lymphoblastic leukemia/lymphoma with hyperdiploidy

A B-lymphoblastic leukemia/lymphoma that is composed of B-lymphoblasts which contain more than 50 and usually less than 66 chromosomes.