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Condition group

Histiocytic and dendritic cell disorders

Histiocytic and dendritic cell disorders are conditions of the immune cells that normally clear away debris and infection, when too many are made or they behave wrongly. The library has guides to 2 of them. Of these 2, blastic plasmacytoid dendritic cell neoplasm (BPDCN) has a donor transplant as an established option for selected patients and Langerhans cell histiocytosis (LCH) is usually treated without a transplant.

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Who do histiocytic and dendritic cell disorders affect, and where does transplant fit?

Histiocytic and dendritic cell disorders in the library, grouped by the part transplant usually plays. Each condition’s guide lists the sources behind its row.
ConditionWho it affectsWhere transplant fits
Donor transplant option1 condition
Blastic plasmacytoid dendritic cell neoplasm (BPDCN)BPDCN is a rare, fast-growing (aggressive) cancer that often shows up in the skin. It can also affect the marrow, blood, lymph nodes, brain and spinal cord.BPDCN mainly affects older adults, more often men, but it also occurs in younger people and children.For eligible adults, a stem cell transplant is often considered, ideally during a first remission. The donor may be a relative or an unrelated registry donor. In children, it is mainly used for higher-risk disease or disease that comes back.
Limited transplant role1 condition
Langerhans cell histiocytosis (LCH)Langerhans cell histiocytosis (LCH) happens when abnormal cells build up in the body. They can collect in places like bone, skin, lungs or the pituitary gland.LCH can occur in children and adults; its pattern and treatment differ across ages and organ involvement.Most people with LCH do not need a stem cell donor. A donor transplant is kept for selected high-risk cases that affect several organs and do not respond to treatment.

Treatment depends on the exact diagnosis, disease stage, prior treatment and the person’s health.

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