- Treacher Collins syndrome 4 [DOID:0080792]
A Treacher Collins syndrome that is characterized by craniofacial dysmorphisms including downslanting palpebral fissures, malar and mandibular hypoplasia, and microtia and that has_material_basis_in heterozygous mutation in the POLR1B gene on chromosome 2q14.
- selective IgM deficiency disease [DOID:0050222]
A selective immunoglobulin deficiency disease thatis a dysgammaglobulinemia resulting from decreased levels of immunoglobulin M (IgM) production to roduction of other antibodies.
- androgenic alopecia [DOID:0050801]
An alopecia that is characterized by M-shaped hair line recession and thinning of hair at the crown of the head in males.
- lymphoplasmacytic lymphoma [DOID:0060901]
A B-cell lymphoma characterized by the accumulation of monoclonal cells in the bone marrow and peripheral lymphoid tissues, and associated with the production of serum immunoglobulin M (IgM) monoclonal protein.