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Syndrome reference sheet
Generated 12 Oct 2026
Cardiology · Cardiology / Oncologic cardiology

Carcinoid heart disease

Also known as: Hedinger syndrome; Hedinger–Jones syndrome

Right-sided valvular fibrosis from serotonin-secreting neuroendocrine tumors.

Medical specialty
Cardiology
Subspecialty
Cardiology / Oncologic cardiology
Sex & age distribution
Male: affected; Female: affected; Children: rare
Gene(s) involved
MEN1

Etiology & mechanism

Serotonin and vasoactive substances cause plaque-like fibrous deposits on right heart valves.

Gene(s) involved (1)

MEN1

Symptoms & signs (8)

diarrheaedemafatigueflushingpulmonary stenosisright heart failuretricuspid regurgitationwheezing
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.