Omphalomesenteric cyst

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Omphalomesenteric cyst

ORPHA:490Morphological anomaly

What it is

A rare non-syndromic diaphragmatic or abdominal wall malformation, a remnant of omphalomesenteric duct, characterized by cuboidal or columnar epithelium with gastrointestinal differentiation. Patients may be asymptomatic or present with infraumbilical mass, umbilical lesion with secretions, abdominal pain, hernia, abscess, gastrointestinal tract bleeding, intestinal obstruction, and acute abdomen.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Childhood
Classified as
Morphological anomaly

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

Q43.0filed under a broader ICD-10 category

Cross-references

GARD 4081MONDO 0018847UMLS C0266180

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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