<unk>  is a subtype of Castleman<unk>  (also known as giant lymph node hyperplasia, lymphoid hamartoma, or angiofollicular lymph node hyperplasia), a group of lymphoproliferative disorders characterized by lymph node enlargement, characteristic features on microscopic analysis of enlarged lymph node tissue, and a range of symptoms and clinical findings. People with<unk>  (UCD) have an enlarged lymph node or multiple enlarged lymph nodes in a single lymph node region. It is the most common subtype of Castleman<unk> , symptoms are typically mild, abnormalities on blood tests are uncommon, organ dysfunction is uncommon, and surgical treatment is curative in the majority of patients. The cause of UCD is not known. Castleman<unk>  is named after Benjamin Castleman, who first described the<unk>  in 1956. The Castleman<unk>  Collaborative Network is the largest organization focused on the<unk>  and is involved in research, awareness, and patient support.
Unicentric Castleman disease
Idiopathic multicentric Castleman disease
Follicular lymphoma
Follicular dendritic cell sarcoma
Progressive nodular histiocytoma
Thymic carcinoma
Marginal zone B-cell lymphoma
Progressive nodular histiocytosis