Rare diseases · Sign or symptom
T-cell lymphoma/leukemia
HP:0005517
What it means
A type of T-cell lymphoma in which cancerous T-cells may present in the blood (leukemia), lymph nodes (lymphoma), skin or in multiple areas.
T-cell lymphoma/leukemia is linked to infection by the human T-cell lymphotropic virus 1 (HTLV-1).
Rare diseases that can present with this1
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.