Rare diseases · Sign or symptom
Splanchnic vein thrombosis
HP:0030247
What it means
The term splanchnic vein thrombosis encompasses Budd-Chiari syndrome (hepatic vein thrombosis), extrahepatic portal vein obstruction (EHPVO), and mesenteric vein thrombosis; the word splanchnic is used to refer to the visceral organs (of the abdominal cavity).
Rare diseases that can present with this2
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
Also called: Blood clot in splanchnic vein
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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.