Rare diseases · Sign or symptom

Malrotation of colon

HP:0004785

What it means

An anatomical anomaly that results from an abnormal rotation of the gut as it returns to the abdominal cavity during embryogenesis.

Rare diseases that can present with this2

Common30–79%

1

Sometimes5–29%

1

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

Malrotation of colon

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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.