Rare diseases · Sign or symptom

Mesenteric venous thrombosis

HP:0030248

What it means

A clot that obstructs blood flow in a mesenteric vein (the superior and the inferior mesenteric vein drain blood from the small and large intestine).

Mesenteric venous thrombosis may be associated with abdominal pain and bloating, diarrhea, fever, gastrointestinal bleeding, and vomiting.

Rare diseases that can present with this5

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 mesentertic vein

Mesenteric venous thrombosis

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This 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.