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Start free with EleplanT-cell/histiocyte rich large B cell lymphoma
ORPHA:300857Disease
Also called THRLBCL
What it is
T-cell/histiocyte rich large B cell lymphoma (THRLBCL) is a rare variant of diffuse large B-cell lymphoma (DLBCL), mainly affecting middle-aged men and often not being discovered until an advanced disease stage, with involvement of the spleen, liver and bone marrow occurring at a greater frequency than in DLBCL. It is often difficult to diagnose due to its similarity with other lymphoid diseases such as classic Hodgkin lymphoma and nodular lymphocyte-predominant Hodgkin lymphoma and has an aggressive clinical course.
Key facts
- Prevalence
- <1 / 1 000 000 (annual incidence, United States)
- Age of onset
- Adolescent, Adult, Childhood, Elderly
- Inheritance
- Multigenic/multifactorial, Not applicable
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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